[safnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 27 18:03:47 UTC 2019
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 28 Dec, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 789378
Prefixes after maximum aggregation (per Origin AS): 300819
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 386795
Total ASes present in the Internet Routing Table: 66619
Prefixes per ASN: 11.85
Origin-only ASes present in the Internet Routing Table: 57269
Origin ASes announcing only one prefix: 24202
Transit ASes present in the Internet Routing Table: 9350
Transit-only ASes present in the Internet Routing Table: 285
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 41
Max AS path prepend of ASN ( 8697) 28
Prefixes from unregistered ASNs in the Routing Table: 1318
Number of instances of unregistered ASNs: 1318
Number of 32-bit ASNs allocated by the RIRs: 29978
Number of 32-bit ASNs visible in the Routing Table: 24677
Prefixes from 32-bit ASNs in the Routing Table: 112816
Number of bogon 32-bit ASNs visible in the Routing Table: 28
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 296
Number of addresses announced to Internet: 2845720960
Equivalent to 169 /8s, 158 /16s and 65 /24s
Percentage of available address space announced: 76.9
Percentage of allocated address space announced: 76.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.4
Total number of prefixes smaller than registry allocations: 264051
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 209874
Total APNIC prefixes after maximum aggregation: 61094
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 203973
Unique aggregates announced from the APNIC address blocks: 84591
APNIC Region origin ASes present in the Internet Routing Table: 10280
APNIC Prefixes per ASN: 19.84
APNIC Region origin ASes announcing only one prefix: 2868
APNIC Region transit ASes present in the Internet Routing Table: 1530
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5326
Number of APNIC addresses announced to Internet: 767362816
Equivalent to 45 /8s, 189 /16s and 7 /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: 231596
Total ARIN prefixes after maximum aggregation: 107134
ARIN Deaggregation factor: 2.16
Prefixes being announced from the ARIN address blocks: 229437
Unique aggregates announced from the ARIN address blocks: 116167
ARIN Region origin ASes present in the Internet Routing Table: 18347
ARIN Prefixes per ASN: 12.51
ARIN Region origin ASes announcing only one prefix: 6761
ARIN Region transit ASes present in the Internet Routing Table: 1913
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 28
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3083
Number of ARIN addresses announced to Internet: 1074125056
Equivalent to 64 /8s, 5 /16s and 217 /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: 222906
Total RIPE prefixes after maximum aggregation: 103929
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 219332
Unique aggregates announced from the RIPE address blocks: 130015
RIPE Region origin ASes present in the Internet Routing Table: 26731
RIPE Prefixes per ASN: 8.21
RIPE Region origin ASes announcing only one prefix: 11714
RIPE Region transit ASes present in the Internet Routing Table: 3758
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8805
Number of RIPE addresses announced to Internet: 723613824
Equivalent to 43 /8s, 33 /16s and 120 /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
196608-210331
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: 102477
Total LACNIC prefixes after maximum aggregation: 23476
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 103640
Unique aggregates announced from the LACNIC address blocks: 45217
LACNIC Region origin ASes present in the Internet Routing Table: 9249
LACNIC Prefixes per ASN: 11.21
LACNIC Region origin ASes announcing only one prefix: 2381
LACNIC Region transit ASes present in the Internet Routing Table: 1748
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 41
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6817
Number of LACNIC addresses announced to Internet: 173920768
Equivalent to 10 /8s, 93 /16s and 210 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 21206
Total AfriNIC prefixes after maximum aggregation: 4409
AfriNIC Deaggregation factor: 4.81
Prefixes being announced from the AfriNIC address blocks: 32700
Unique aggregates announced from the AfriNIC address blocks: 10568
AfriNIC Region origin ASes present in the Internet Routing Table: 1351
AfriNIC Prefixes per ASN: 24.20
AfriNIC Region origin ASes announcing only one prefix: 478
AfriNIC Region transit ASes present in the Internet Routing Table: 273
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 646
Number of AfriNIC addresses announced to Internet: 106406656
Equivalent to 6 /8s, 87 /16s and 163 /24s
AfriNIC AS Blocks 36864-37887, 327680-328703 & 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 5164 636 597 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4697 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3283 1331 25 VIETEL-AS-AP Viettel Group, VN
45899 3114 1781 105 VNPT-AS-VN VNPT Corp, VN
7713 2697 798 495 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2613 9043 62 CMNET-GD Guangdong Mobile Communication
4766 2269 11102 567 KIXS-AS-KR Korea Telecom, KR
9498 2216 433 214 BBIL-AP BHARTI Airtel Ltd., IN
9829 2204 1389 285 BSNL-NIB National Internet Backbone, IN
4755 2150 442 195 TATACOMM-AS TATA Communications formerl
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
7155 4047 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3849 253 645 CABLEONE - CABLE ONE, INC., US
16509 3797 7702 1678 AMAZON-02 - Amazon.com, Inc., US
22773 3508 2971 153 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3364 1324 93 SHAW - Shaw Communications Inc., CA
16625 2965 1555 2130 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2277 357 89 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2174 5075 540 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
20115 2134 2773 518 CHARTER-20115 - Charter Communications,
18566 2062 405 103 MEGAPATH5-US - MegaPath Corporation, 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 5853 1631 135 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
31334 3361 484 13 KABELDEUTSCHLAND-AS, DE
8551 3060 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2813 472 1962 AKAMAI-ASN1, US
12389 2423 2237 701 ROSTELECOM-AS, RU
34984 2047 348 558 TELLCOM-AS, TR
9009 2023 218 1096 M247, GB
9121 1948 1691 18 TTNET, TR
13188 1605 100 46 TRIOLAN, UA
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 6176 3299 614 Uninet S.A. de C.V., MX
10620 3363 533 462 Telmex Colombia S.A., CO
11830 2681 369 63 Instituto Costarricense de Electricidad
6503 1681 323 388 Axtel, S.A.B. de C.V., MX
7303 1477 1022 264 Telecom Argentina S.A., AR
28573 1269 2234 206 CLARO S.A., BR
13999 1145 495 273 Mega Cable, S.A. de C.V., MX
3816 1119 561 133 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1095 379 39 Telefonica del Peru S.A.A., PE
11172 943 111 65 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 1245 393 23 LINKdotNET-AS, EG
36992 1033 1535 73 ETISALAT-MISR, EG
24835 978 566 24 RAYA-AS, EG
36903 876 452 97 MT-MPLS, MA
6713 622 1863 34 IAM-AS, MA
29571 559 68 11 ORANGE-COTE-IVOIRE, CI
37342 483 32 1 MOVITEL, MZ
36935 371 522 40 Vodafone-, EG
23889 354 231 15 MauritiusTelecom, MU
15399 347 45 10 WANANCHI-, KE
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 6176 3299 614 Uninet S.A. de C.V., MX
12479 5853 1631 135 UNI2-AS, ES
7545 5164 636 597 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4697 4192 73 ERX-CERNET-BKB China Education and Rese
7155 4047 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 219 19 ALJAWWALSTC-AS, SA
11492 3849 253 645 CABLEONE - CABLE ONE, INC., US
16509 3797 7702 1678 AMAZON-02 - Amazon.com, Inc., US
22773 3508 2971 153 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3364 1324 93 SHAW - Shaw Communications Inc., CA
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 5853 5718 UNI2-AS, ES
4538 4697 4624 ERX-CERNET-BKB China Education and Research Net
7545 5164 4567 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4047 4020 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 4015 ALJAWWALSTC-AS, SA
22773 3508 3355 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
31334 3361 3348 KABELDEUTSCHLAND-AS, DE
6327 3364 3271 SHAW - Shaw Communications Inc., CA
7552 3283 3258 VIETEL-AS-AP Viettel Group, VN
11492 3849 3204 CABLEONE - CABLE ONE, INC., US
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
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3 - Level 3 Parent, LLC
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174 - Cogent Communic
62485 UNALLOCATED 8.23.229.0/24 3356 LEVEL3 - Level 3 Parent, LLC
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3 - Level 3 Parent, LLC
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Communic
23071 UNALLOCATED 8.33.235.0/24 3356 LEVEL3 - Level 3 Parent, LLC
27205 UNALLOCATED 8.38.16.0/21 6461 ZAYO-6461 - Zayo Bandwidth,
27205 UNALLOCATED 8.38.16.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
27205 UNALLOCATED 8.38.20.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
14109 UNALLOCATED 8.38.252.0/24 3356 LEVEL3 - Level 3 Parent, LLC
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 - Hurricane Electric LLC, US
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Originated Origin AS Transit AS Origin AS Name
23.136.224.0/24 15206 174 UNASSIGNED
27.100.7.0/24 56096 45455 UNASSIGNED
27.126.156.0/22 55827 9930 UNASSIGNED
27.126.156.0/23 55827 9930 UNASSIGNED
27.126.158.0/23 55827 9930 UNASSIGNED
41.67.192.0/18 15964 12956 CAMNET-AS, CM
41.67.192.0/24 15964 12956 CAMNET-AS, CM
41.67.200.0/24 15964 12956 CAMNET-AS, CM
41.67.201.0/24 15964 12956 CAMNET-AS, CM
41.67.202.0/24 15964 12956 CAMNET-AS, CM
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 /8:10 /9:11 /10:37 /11:98 /12:287
/13:579 /14:1158 /15:1920 /16:13357 /17:8091 /18:13868
/19:25745 /20:40336 /21:47526 /22:98233 /23:80548 /24:456256
/25:1318 /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 4814 5853 UNI2-AS, ES
31334 3206 3361 KABELDEUTSCHLAND-AS, DE
6327 3152 3364 SHAW - Shaw Communications Inc., CA
7155 3139 4047 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3002 3849 CABLEONE - CABLE ONE, INC., US
39891 2946 4034 ALJAWWALSTC-AS, SA
22773 2730 3508 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2519 3060 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2029 2681 Instituto Costarricense de Electricidad y Telec
30036 2026 2277 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1529 2:1152 3:12 4:19 5:3204 6:47
8:1364 9:1 12:1795 13:495 14:2183 15:54
16:9 17:280 18:79 20:58 23:3158 24:2612
25:4 27:2514 31:2826 32:101 35:46 36:937
37:3228 38:1806 39:310 40:132 41:3292 42:879
43:2110 44:186 45:12683 46:3247 47:262 49:1423
50:1136 51:344 52:1128 54:275 55:688 56:6
57:47 58:1881 59:1117 60:664 61:2204 62:2125
63:1925 64:5000 65:2300 66:4810 67:2824 68:1224
69:3808 70:1394 71:672 72:2754 74:2691 75:1435
76:666 77:2538 78:1973 79:2311 80:1797 81:1540
82:1190 83:987 84:1216 85:2551 86:584 87:1652
88:1062 89:2665 90:264 91:7446 92:1455 93:2448
94:2593 95:3700 96:1006 97:339 98:963 99:963
100:85 101:1095 102:721 103:22852 104:3609 105:374
106:848 107:1856 108:694 109:3620 110:1767 111:1933
112:1544 113:1394 114:1466 115:1840 116:1808 117:1998
118:2098 119:1678 120:886 121:1034 122:2367 123:1876
124:1545 125:2018 128:1378 129:909 130:584 131:1852
132:776 133:297 134:1275 135:274 136:594 137:852
138:2186 139:979 140:603 141:858 142:822 143:1113
144:939 145:291 146:1439 147:1012 148:1887 149:1036
150:808 151:1250 152:1457 153:368 154:4624 155:886
156:3079 157:1081 158:695 159:1941 160:1678 161:1057
162:3029 163:872 164:1361 165:1219 166:536 167:1455
168:3574 169:494 170:4196 171:732 172:1856 173:2346
174:1042 175:1006 176:2692 177:4136 178:2829 179:1424
180:2177 181:2374 182:2821 183:1117 184:2398 185:15862
186:3879 187:2555 188:3479 189:2072 190:8290 191:1464
192:10170 193:7281 194:5903 195:4246 196:3337 197:1855
198:6065 199:5924 200:7162 201:5162 202:10423 203:10232
204:4560 205:3072 206:3258 207:3245 208:4005 209:4335
210:3992 211:1989 212:3289 213:2994 214:1144 215:53
216:5912 217:2298 218:894 219:604 220:1972 221:931
222:1012 223:1366
End of report
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