[safnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Mar 4 18:11:11 UTC 2016


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, AusNOG, SANOG, PacNOG,
SAFNOG, PaNOG, SdNOG, BJNOG, CaribNOG 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 05 Mar, 2016

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

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

BGP routing table entries examined:                              585390
    Prefixes after maximum aggregation (per Origin AS):          215223
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      285498
Total ASes present in the Internet Routing Table:                 52972
    Prefixes per ASN:                                             11.05
Origin-only ASes present in the Internet Routing Table:           36579
Origin ASes announcing only one prefix:                           15795
Transit ASes present in the Internet Routing Table:                6399
Transit-only ASes present in the Internet Routing Table:            162
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      39
    Max AS path prepend of ASN ( 40285)                              34
Prefixes from unregistered ASNs in the Routing Table:               997
    Unregistered ASNs in the Routing Table:                         359
Number of 32-bit ASNs allocated by the RIRs:                      12926
Number of 32-bit ASNs visible in the Routing Table:                9994
Prefixes from 32-bit ASNs in the Routing Table:                   39063
Number of bogon 32-bit ASNs visible in the Routing Table:            22
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            364
Number of addresses announced to Internet:                   2807592132
    Equivalent to 167 /8s, 88 /16s and 116 /24s
    Percentage of available address space announced:               75.8
    Percentage of allocated address space announced:               75.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.0
Total number of prefixes smaller than registry allocations:      191865

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

Prefixes being announced by APNIC Region ASes:                   150343
    Total APNIC prefixes after maximum aggregation:               41580
    APNIC Deaggregation factor:                                    3.62
Prefixes being announced from the APNIC address blocks:          160214
    Unique aggregates announced from the APNIC address blocks:    64732
APNIC Region origin ASes present in the Internet Routing Table:    5145
    APNIC Prefixes per ASN:                                       31.14
APNIC Region origin ASes announcing only one prefix:               1184
APNIC Region transit ASes present in the Internet Routing Table:    912
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:   1915
Number of APNIC addresses announced to Internet:              752492036
    Equivalent to 44 /8s, 218 /16s and 30 /24s
    Percentage of available APNIC address space announced:         87.9

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, 131072-135580
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:                    179712
    Total ARIN prefixes after maximum aggregation:                88721
    ARIN Deaggregation factor:                                     2.03
Prefixes being announced from the ARIN address blocks:           184673
    Unique aggregates announced from the ARIN address blocks:     87571
ARIN Region origin ASes present in the Internet Routing Table:    16398
    ARIN Prefixes per ASN:                                        11.26
ARIN Region origin ASes announcing only one prefix:                5891
ARIN Region transit ASes present in the Internet Routing Table:    1694
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          37
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1054
Number of ARIN addresses announced to Internet:              1102628160
    Equivalent to 65 /8s, 184 /16s and 197 /24s
    Percentage of available ARIN address space announced:          58.3

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, 393216-395164
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,  45/8,  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:                    140677
    Total RIPE prefixes after maximum aggregation:                69631
    RIPE Deaggregation factor:                                     2.02
Prefixes being announced from the RIPE address blocks:           149220
    Unique aggregates announced from the RIPE address blocks:     92148
RIPE Region origin ASes present in the Internet Routing Table:    18040
    RIPE Prefixes per ASN:                                         8.27
RIPE Region origin ASes announcing only one prefix:                7948
RIPE Region transit ASes present in the Internet Routing Table:    2999
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    4521
Number of RIPE addresses announced to Internet:               703167872
    Equivalent to 41 /8s, 233 /16s and 125 /24s
    Percentage of available RIPE address space announced:         102.2

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, 196608-204287
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:                   61403
    Total LACNIC prefixes after maximum aggregation:              12097
    LACNIC Deaggregation factor:                                   5.08
Prefixes being announced from the LACNIC address blocks:          75069
    Unique aggregates announced from the LACNIC address blocks:   35085
LACNIC Region origin ASes present in the Internet Routing Table:   2466
    LACNIC Prefixes per ASN:                                      30.44
LACNIC Region origin ASes announcing only one prefix:               582
LACNIC Region transit ASes present in the Internet Routing Table:   552
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        21
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2315
Number of LACNIC addresses announced to Internet:             170756608
    Equivalent to 10 /8s, 45 /16s and 138 /24s
    Percentage of available LACNIC address space announced:       101.8

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-265628 + 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:                  14081
    Total AfriNIC prefixes after maximum aggregation:              3153
    AfriNIC Deaggregation factor:                                  4.47
Prefixes being announced from the AfriNIC address blocks:         15850
    Unique aggregates announced from the AfriNIC address blocks:   5637
AfriNIC Region origin ASes present in the Internet Routing Table:   741
    AfriNIC Prefixes per ASN:                                     21.39
AfriNIC Region origin ASes announcing only one prefix:              190
AfriNIC Region transit ASes present in the Internet Routing Table:  170
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  189
Number of AfriNIC addresses announced to Internet:             78156544
    Equivalent to 4 /8s, 168 /16s and 147 /24s
    Percentage of available AfriNIC address space announced:       77.6

AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 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
 4538     5593       4192          76   China Education and Research 
 7545     3204        351         184   TPG Telecom Limited
 4766     3110      11139        1099   Korea Telecom
17974     2902        914          96   PT Telekomunikasi Indonesia
 9829     2384       1449         424   National Internet Backbone
 4755     2084        431         238   TATA Communications formerly 
 9808     1850       8717          30   Guangdong Mobile Communicatio
45899     1698       1096         171   VNNIC
 4808     1641       2287         521   CNCGROUP IP network China169 
 9583     1519        121         561   Sify Limited

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
22773     3294       2948         145   Cox Communications Inc.
 6389     2394       3687          42   BellSouth.net Inc.
18566     2211        394         276   MegaPath Corporation
20115     1914       1917         400   Charter Communications
30036     1719        341         258   Mediacom Communications Corp
 6983     1691        849         233   EarthLink, Inc.
 4323     1585       1004         392   tw telecom holdings, inc.
  209     1506       4483        1213   Qwest Communications Company,
  701     1392      11453         662   MCI Communications Services, 
11492     1266        234         595   CABLE ONE, INC.

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
39891     2515        135           9   SaudiNet, Saudi Telecom Compa
20940     2400        924        1721   Akamai International B.V.
34984     1948        322         415   TELLCOM ILETISIM HIZMETLERI A
 8551     1230        376          54   Bezeq International-Ltd
 6849     1179        355          21   JSC "Ukrtelecom"
12479     1142        980          86   France Telecom Espana SA
 8402     1131        544          15   OJSC "Vimpelcom"
13188     1077         98          78   TOV "Bank-Inform"
31148     1041         47          41   Freenet Ltd.
 9198      900        352          25   JSC Kazakhtelecom

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
10620     3434        540         157   Telmex Colombia S.A.
 8151     2171       3393         520   Uninet S.A. de C.V.
 7303     1520        940         237   Telecom Argentina S.A.
11830     1442        366          25   Instituto Costarricense de El
 6503     1432        437          55   Axtel, S.A.B. de C.V.
 6147     1038        377          27   Telefonica del Peru S.A.A.
28573      995       2179         154   NET Serviços de Comunicação S
 7738      994       1882          41   Telemar Norte Leste S.A.
26615      992       2325          34   Tim Celular S.A.
 3816      988        478         185   COLOMBIA TELECOMUNICACIONES S

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     1200        402          35   Link Egypt (Link.NET)
 8452      965       1470          11   TE-AS
37611      630         48           2   Afrihost-Brevis Computer Serv
36903      584        294         104   Office National des Postes et
36992      504       1357          25   ETISALAT MISR
37492      368        216          66   Orange Tunisie
24835      284        148          10   Vodafone Data
29571      267         21          12   Cote d'Ivoire Telecom
 2018      249        327          74   TENET (The UNINET Project)
 3741      220        821         181   Internet Solutions

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
 4538     5593       4192          76   China Education and Research 
10620     3434        540         157   Telmex Colombia S.A.
22773     3294       2948         145   Cox Communications Inc.
 7545     3204        351         184   TPG Telecom Limited
 4766     3110      11139        1099   Korea Telecom
17974     2902        914          96   PT Telekomunikasi Indonesia
39891     2515        135           9   SaudiNet, Saudi Telecom Compa
20940     2400        924        1721   Akamai International B.V.
 6389     2394       3687          42   BellSouth.net Inc.
 9829     2384       1449         424   National Internet Backbone

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

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
10620      3434        3277      Telmex Colombia S.A.
22773      3294        3149      Cox Communications Inc.
 7545      3204        3020      TPG Telecom Limited
17974      2902        2806      PT Telekomunikasi Indonesia
39891      2515        2506      SaudiNet, Saudi Telecom Compa
 6389      2394        2352      BellSouth.net Inc.
 4766      3110        2011      Korea Telecom
 9829      2384        1960      National Internet Backbone
18566      2211        1935      MegaPath Corporation
 4755      2084        1846      TATA Communications formerly 

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

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

Bad AS  Designation  Network              Transit AS  Description
65001   PRIVATE      5.143.176.0/20       15468       OJSC Rostelecom
30662   UNALLOCATED  8.2.129.0/24          3356       Level 3 Communicatio
53506   UNALLOCATED  8.17.102.0/23         3356       Level 3 Communicatio
46467   UNALLOCATED  8.19.192.0/24        46887       Lightower Fiber Netw
16589   UNALLOCATED  8.20.247.0/24        35838       CCANET Limited
16589   UNALLOCATED  8.26.56.0/24         35838       CCANET Limited
46473   UNALLOCATED  8.27.122.0/24         3356       Level 3 Communicatio
46473   UNALLOCATED  8.27.124.0/24         3356       Level 3 Communicatio
27205   UNALLOCATED  8.38.16.0/21          3356       Level 3 Communicatio
15347   UNALLOCATED  8.224.147.0/24       12064       Cox Communications I

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

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

Network            Origin AS  Description
23.226.112.0/20      62788     >>UNKNOWN<<
23.249.144.0/20      40430     colo4jax, LLC
27.100.7.0/24        56096     >>UNKNOWN<<
37.46.10.0/23        36351     SoftLayer Technologies Inc.
37.46.14.0/24        36351     SoftLayer Technologies Inc.
37.46.15.0/24        36351     SoftLayer Technologies Inc.
41.73.1.0/24         37004     >>UNKNOWN<<
41.73.2.0/24         37004     >>UNKNOWN<<
41.73.3.0/24         37004     >>UNKNOWN<<
41.73.4.0/24         37004     >>UNKNOWN<<

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        /8:16       /9:13      /10:36      /11:101     /12:267     
/13:515     /14:1028    /15:1761    /16:12975   /17:7514    /18:12608   
/19:25651   /20:38075   /21:40110   /22:65185   /23:56178   /24:321744  
/25:552     /26:585     /27:406     /28:18      /29:16      /30:13      
/31:0       /32:23      

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

  ASN   No of nets  Total ann.   Description
22773     2476          3294      Cox Communications Inc.
39891     2472          2515      SaudiNet, Saudi Telecom Compa
18566     2113          2211      MegaPath Corporation
30036     1534          1719      Mediacom Communications Corp
 6389     1521          2394      BellSouth.net Inc.
 6983     1341          1691      EarthLink, Inc.
10620     1327          3434      Telmex Colombia S.A.
34984     1237          1948      TELLCOM ILETISIM HIZMETLERI A
11492     1176          1266      CABLE ONE, INC.
 6849      997          1179      JSC "Ukrtelecom"

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

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

   1:1619      2:736       4:20        5:2101      6:26        8:916    
  12:1782     13:38       14:1678     15:35       16:2        17:68     
  18:20       20:48       23:1381     24:1745     27:2255     31:1703   
  32:54       33:2        34:2        35:4        36:237      37:2336   
  38:1175     39:26       40:87       41:2926     42:385      43:1672   
  44:41       45:1716     46:2423     47:69       49:1124     50:843    
  51:3        52:80       54:197      55:3        56:6        57:44     
  58:1512     59:857      60:566      61:1795     62:1432     63:1924   
  64:4457     65:2155     66:4057     67:2101     68:1101     69:3323   
  70:1041     71:466      72:1977     74:2540     75:356      76:432    
  77:1378     78:1291     79:827      80:1315     81:1363     82:911    
  83:676      84:792      85:1569     86:470      87:1047     88:571    
  89:1942     90:167      91:6045     92:854      93:2300     94:2363   
  95:2288     96:470      97:355      98:956      99:45      100:69     
 101:992     103:9868    104:2206    105:130     106:391     107:1145   
 108:653     109:2119    110:1258    111:1612    112:936     113:1278   
 114:1117    115:1688    116:1527    117:1418    118:2126    119:1573   
 120:511     121:1161    122:2231    123:2018    124:1595    125:1757   
 128:729     129:372     130:430     131:1273    132:600     133:171    
 134:448     135:122     136:352     137:332     138:1711    139:205    
 140:249     141:464     142:630     143:864     144:602     145:160    
 146:832     147:604     148:1456    149:473     150:660     151:820    
 152:603     153:270     154:537     155:899     156:487     157:440    
 158:344     159:1097    160:425     161:735     162:2290    163:529    
 164:727     165:1119    166:313     167:1062    168:1555    169:607    
 170:1504    171:273     172:467     173:1648    174:722     175:876    
 176:1509    177:4003    178:2222    179:1093    180:2107    181:1641   
 182:1949    183:686     184:794     185:5842    186:3039    187:2017   
 188:2096    189:1730    190:7606    191:1227    192:8910    193:5717   
 194:4366    195:3760    196:1630    197:1148    198:5516    199:5583   
 200:6853    201:3707    202:10132   203:9591    204:4623    205:2706   
 206:2980    207:3064    208:4057    209:3885    210:3964    211:2015   
 212:2665    213:2160    214:811     215:73      216:5724    217:1908   
 218:759     219:565     220:1665    221:851     222:678     223:935    


End of report



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