[safnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jun 19 18:03:16 UTC 2020


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 20 Jun, 2020

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              815154
    Prefixes after maximum aggregation (per Origin AS):          309453
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      397027
Total ASes present in the Internet Routing Table:                 68353
    Prefixes per ASN:                                             11.93
Origin-only ASes present in the Internet Routing Table:           58751
Origin ASes announcing only one prefix:                           24470
Transit ASes present in the Internet Routing Table:                9602
Transit-only ASes present in the Internet Routing Table:            307
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      50
    Max AS path prepend of ASN ( 22394)                              38
Prefixes from unregistered ASNs in the Routing Table:               859
    Number of instances of unregistered ASNs:                       860
Number of 32-bit ASNs allocated by the RIRs:                      32127
Number of 32-bit ASNs visible in the Routing Table:               26466
Prefixes from 32-bit ASNs in the Routing Table:                  121955
Number of bogon 32-bit ASNs visible in the Routing Table:            16
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            543
Number of addresses announced to Internet:                   2843369216
    Equivalent to 169 /8s, 122 /16s and 95 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      274961

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   214358
    Total APNIC prefixes after maximum aggregation:               62454
    APNIC Deaggregation factor:                                    3.43
Prefixes being announced from the APNIC address blocks:          207950
    Unique aggregates announced from the APNIC address blocks:    86021
APNIC Region origin ASes present in the Internet Routing Table:   10638
    APNIC Prefixes per ASN:                                       19.55
APNIC Region origin ASes announcing only one prefix:               2979
APNIC Region transit ASes present in the Internet Routing Table:   1588
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         27
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5710
Number of APNIC addresses announced to Internet:              769610624
    Equivalent to 45 /8s, 223 /16s and 83 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-141625
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    238135
    Total ARIN prefixes after maximum aggregation:               109384
    ARIN Deaggregation factor:                                     2.18
Prefixes being announced from the ARIN address blocks:           235455
    Unique aggregates announced from the ARIN address blocks:    119632
ARIN Region origin ASes present in the Internet Routing Table:    18514
    ARIN Prefixes per ASN:                                        12.72
ARIN Region origin ASes announcing only one prefix:                6782
ARIN Region transit ASes present in the Internet Routing Table:    1893
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          42
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3284
Number of ARIN addresses announced to Internet:              1080206848
    Equivalent to 64 /8s, 98 /16s and 166 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-399260
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  63/8,  64/8,  65/8,
                        66/8,  67/8,  68/8,  69/8,  70/8,  71/8,  72/8,
                        73/8,  74/8,  75/8,  76/8,  96/8,  97/8,  98/8,
                        99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
                       130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
                       138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
                       147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
                       158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
                       166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
                       174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
                       206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                      

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    231929
    Total RIPE prefixes after maximum aggregation:               107300
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:           228468
    Unique aggregates announced from the RIPE address blocks:    134263
RIPE Region origin ASes present in the Internet Routing Table:    27158
    RIPE Prefixes per ASN:                                         8.41
RIPE Region origin ASes announcing only one prefix:               11750
RIPE Region transit ASes present in the Internet Routing Table:    3842
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:    9239
Number of RIPE addresses announced to Internet:               709194112
    Equivalent to 42 /8s, 69 /16s and 113 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-213403
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                  106782
    Total LACNIC prefixes after maximum aggregation:              24901
    LACNIC Deaggregation factor:                                   4.29
Prefixes being announced from the LACNIC address blocks:         107936
    Unique aggregates announced from the LACNIC address blocks:   46455
LACNIC Region origin ASes present in the Internet Routing Table:   9958
    LACNIC Prefixes per ASN:                                      10.84
LACNIC Region origin ASes announcing only one prefix:              2470
LACNIC Region transit ASes present in the Internet Routing Table:  1857
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        50
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  7540
Number of LACNIC addresses announced to Internet:             174401024
    Equivalent to 10 /8s, 101 /16s and 38 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  23090
    Total AfriNIC prefixes after maximum aggregation:              4748
    AfriNIC Deaggregation factor:                                  4.86
Prefixes being announced from the AfriNIC address blocks:         34802
    Unique aggregates announced from the AfriNIC address blocks:  10205
AfriNIC Region origin ASes present in the Internet Routing Table:  1405
    AfriNIC Prefixes per ASN:                                     24.77
AfriNIC Region origin ASes announcing only one prefix:              489
AfriNIC Region transit ASes present in the Internet Routing Table:  282
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  693
Number of AfriNIC addresses announced to Internet:            109444864
    Equivalent to 6 /8s, 133 /16s and 255 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
                      

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7545        5529        716     650  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4743       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3428       1330      21  VIETEL-AS-AP Viettel Group, VN
 45899        3153       1805     105  VNPT-AS-VN VNPT Corp, VN
  7713        2713        828     514  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2556       9043      61  CMNET-GD Guangdong Mobile Communication
  4766        2284      11101     554  KIXS-AS-KR Korea Telecom, KR
  9498        2278        434     225  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2132        441     193  TATACOMM-AS TATA Communications formerl
  9394        2029       4914      20  CTTNET China TieTong Telecommunications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 11492        4456        299     628  CABLEONE, US
  7155        4036        264      27  VIASAT-SP-BACKBONE, US
 16509        3972       8140    1786  AMAZON-02, US
 22773        3566       2968     153  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3350       1324      90  SHAW, CA
 16625        3111       1622    2213  AKAMAI-AS, US
   209        2429       5076     534  CENTURYLINK-US-LEGACY-QWEST, US
 30036        2412        364     180  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        2304       2981    1621  FRONTIER-FRTR, US
 26484        2170        136     224  IKGUL-26484, US

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        5807       1656     137  UNI2-AS, ES
 31334        4923        484      13  KABELDEUTSCHLAND-AS, DE
 39891        3265        187      20  ALJAWWALSTC-AS, SA
  8551        3179        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        3069        456    2076  AKAMAI-ASN1, EU
 12389        2548       2255     760  ROSTELECOM-AS, RU
  9009        2217        233    1211  M247, GB
 34984        2146        353     564  TELLCOM-AS, TR
 13188        1609        100      35  TRIOLAN, UA
 61317        1330        144     560  ASDETUK http://www.heficed.com, GB

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        6725       3324     593  Uninet S.A. de C.V., MX
 10620        3358        530     500  Telmex Colombia S.A., CO
 11830        2666        369      63  Instituto Costarricense de Electricidad
  6503        1718        326     387  Axtel, S.A.B. de C.V., MX
  7303        1517        988     251  Telecom Argentina S.A., AR
 13999        1419        511     334  Mega Cable, S.A. de C.V., MX
 28573        1380       2245     214  CLARO S.A., BR
  3816        1107        570     149  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1088        379      39  Telefonica del Peru S.A.A., PE
 11172         957        112      71  Alestra, S. de R.L. de C.V., MX

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863        1488        393      22  LINKdotNET-AS, EG
 36992        1089       1539      76  ETISALAT-MISR, EG
 24835        1088        474      24  RAYA-AS, EG
 36903         900        472      91  MT-MPLS, MA
 29571         625         68      11  ORANGE-COTE-IVOIRE, CI
  6713         552       1863      34  IAM-AS, MA
 37342         481         32       1  MOVITEL, MZ
 36935         429        522      42  Vodafone-, EG
 15399         422         45      12  WANANCHI-, KE
 23889         344        231      15  MauritiusTelecom, MU

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        6725       3324     593  Uninet S.A. de C.V., MX
 12479        5807       1656     137  UNI2-AS, ES
  7545        5529        716     650  TPG-INTERNET-AP TPG Telecom Limited, AU
 31334        4923        484      13  KABELDEUTSCHLAND-AS, DE
  4538        4743       4192      73  ERX-CERNET-BKB China Education and Rese
 11492        4456        299     628  CABLEONE, US
  7155        4036        264      27  VIASAT-SP-BACKBONE, US
 16509        3972       8140    1786  AMAZON-02, US
 22773        3566       2968     153  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3428       1330      21  VIETEL-AS-AP Viettel Group, VN

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 12479        5807         5670  UNI2-AS, ES
 31334        4923         4910  KABELDEUTSCHLAND-AS, DE
  7545        5529         4879  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4743         4670  ERX-CERNET-BKB China Education and Research Net
  7155        4036         4009  VIASAT-SP-BACKBONE, US
 11492        4456         3828  CABLEONE, US
 22773        3566         3413  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3428         3407  VIETEL-AS-AP Viettel Group, VN
  6327        3350         3260  SHAW, CA
 39891        3265         3245  ALJAWWALSTC-AS, SA

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22357  UNALLOCATED  8.7.108.0/24              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24               174  COGENT-174, US
     62485  UNALLOCATED  8.23.229.0/24             3356  LEVEL3, US
     32985  UNALLOCATED  8.28.31.0/24              3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24              174  COGENT-174, US
     23061  UNALLOCATED  8.39.119.0/24             3356  LEVEL3, US
     26584  UNALLOCATED  8.42.62.0/23               209  CENTURYLINK-US-LEGACY-QWEST,
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46766  UNALLOCATED  8.44.208.0/24             3356  LEVEL3, US

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
23.160.208.0/24      Origin:    398328  IAN-CARROLL, US
                    Transit:     54825  PACKET, US
27.100.7.0/24        Origin:     56096  UNASSIGNED
                    Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
27.126.156.0/22      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad, MY
27.126.156.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad, MY
27.126.158.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad, MY

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:9        /9:11      /10:38      /11:100     /12:287     
/13:578     /14:1171    /15:1912    /16:13346   /17:8219    /18:13966   
/19:25888   /20:41197   /21:48384   /22:100886  /23:83557   /24:474326  
/25:1279    /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 12479        4824        5807  UNI2-AS, ES
 31334        4769        4923  KABELDEUTSCHLAND-AS, DE
 11492        3519        4456  CABLEONE, US
  6327        3140        3350  SHAW, CA
  7155        3128        4036  VIASAT-SP-BACKBONE, US
 22773        2777        3566  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        2638        3179  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 39891        2609        3265  ALJAWWALSTC-AS, SA
  8151        2408        6725  Uninet S.A. de C.V., MX
 30036        2155        2412  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1769      2:1199      3:30        4:19        5:3574      6:52     
   8:1438      9:1        11:1        12:1777     13:512      14:2307   
  15:72       16:8        17:290      18:81       20:105      23:3719   
  24:2287     25:3        27:2544     31:3078     32:128      34:1      
  35:42       36:958      37:3390     38:1953     39:424      40:129    
  41:3680     42:901      43:2148     44:208      45:14428    46:3695   
  47:291      49:1458     50:1491     51:93       52:1086     54:227    
  55:672      56:6        57:51       58:1840     59:1171     60:747    
  61:2300     62:2097     63:1983     64:5223     65:2314     66:5014   
  67:2871     68:1183     69:3951     70:1407     71:679      72:2879   
  74:2577     75:1449     76:658      77:2928     78:1643     79:2375   
  80:1959     81:1659     82:1312     83:1308     84:1230     85:2614   
  86:542      87:1738     88:1135     89:2760     90:388      91:7947   
  92:1519     93:2511     94:2727     95:3924     96:1242     97:333    
  98:923      99:977     100:86      101:1006    102:969     103:23863  
 104:3440    105:397     106:882     107:1999    108:711     109:3667   
 110:1843    111:2047    112:1610    113:1362    114:1538    115:1841   
 116:1793    117:2101    118:2140    119:1693    120:836     121:1039   
 122:2443    123:2056    124:1568    125:2015    128:1381    129:1223   
 130:652     131:1867    132:749     133:302     134:1321    135:304    
 136:612     137:852     138:2164    139:995     140:678     141:996    
 142:929     143:1252    144:1019    145:310     146:1497    147:1022   
 148:2096    149:1187    150:874     151:1210    152:1495    153:397    
 154:4662    155:1059    156:3105    157:1129    158:847     159:1979   
 160:1926    161:1056    162:3094    163:822     164:1472    165:1294   
 166:560     167:1634    168:3541    169:553     170:4236    171:776    
 172:1938    173:2573    174:985     175:1053    176:2589    177:4182   
 178:3041    179:1463    180:2284    181:2463    182:3090    183:1145   
 184:2418    185:16486   186:3764    187:2862    188:4103    189:2377   
 190:8710    191:1335    192:10378   193:7538    194:6237    195:4403   
 196:3275    197:2003    198:6114    199:5893    200:7255    201:5249   
 202:10518   203:10270   204:4564    205:3099    206:3189    207:3275   
 208:4061    209:4451    210:4007    211:2017    212:3381    213:3231   
 214:1199    215:62      216:6024    217:2410    218:854     219:615    
 220:2015    221:943     222:998     223:1500   

End of report



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