[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 25 Oct 18:03:56 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 26 Oct, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 780161
Prefixes after maximum aggregation (per Origin AS): 296820
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 371941
Total ASes present in the Internet Routing Table: 65992
Prefixes per ASN: 11.82
Origin-only ASes present in the Internet Routing Table: 56726
Origin ASes announcing only one prefix: 24261
Transit ASes present in the Internet Routing Table: 9266
Transit-only ASes present in the Internet Routing Table: 271
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 51
Max AS path prepend of ASN ( 22394) 47
Prefixes from unregistered ASNs in the Routing Table: 33
Number of instances of unregistered ASNs: 33
Number of 32-bit ASNs allocated by the RIRs: 29245
Number of 32-bit ASNs visible in the Routing Table: 23940
Prefixes from 32-bit ASNs in the Routing Table: 108646
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 325
Number of addresses announced to Internet: 2842547584
Equivalent to 169 /8s, 109 /16s and 213 /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: 99.4
Total number of prefixes smaller than registry allocations: 260294
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 209040
Total APNIC prefixes after maximum aggregation: 60806
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 203443
Unique aggregates announced from the APNIC address blocks: 84820
APNIC Region origin ASes present in the Internet Routing Table: 10123
APNIC Prefixes per ASN: 20.10
APNIC Region origin ASes announcing only one prefix: 2817
APNIC Region transit ASes present in the Internet Routing Table: 1516
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5146
Number of APNIC addresses announced to Internet: 771105152
Equivalent to 45 /8s, 246 /16s and 33 /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: 229315
Total ARIN prefixes after maximum aggregation: 106403
ARIN Deaggregation factor: 2.16
Prefixes being announced from the ARIN address blocks: 227371
Unique aggregates announced from the ARIN address blocks: 104768
ARIN Region origin ASes present in the Internet Routing Table: 18639
ARIN Prefixes per ASN: 12.20
ARIN Region origin ASes announcing only one prefix: 6905
ARIN Region transit ASes present in the Internet Routing Table: 1919
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 51
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2973
Number of ARIN addresses announced to Internet: 1068651904
Equivalent to 63 /8s, 178 /16s and 85 /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: 218810
Total RIPE prefixes after maximum aggregation: 102118
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 215079
Unique aggregates announced from the RIPE address blocks: 127440
RIPE Region origin ASes present in the Internet Routing Table: 26587
RIPE Prefixes per ASN: 8.09
RIPE Region origin ASes announcing only one prefix: 11707
RIPE Region transit ASes present in the Internet Routing Table: 3752
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: 8633
Number of RIPE addresses announced to Internet: 722633344
Equivalent to 43 /8s, 18 /16s and 130 /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: 101379
Total LACNIC prefixes after maximum aggregation: 23104
LACNIC Deaggregation factor: 4.39
Prefixes being announced from the LACNIC address blocks: 102542
Unique aggregates announced from the LACNIC address blocks: 44956
LACNIC Region origin ASes present in the Internet Routing Table: 9014
LACNIC Prefixes per ASN: 11.38
LACNIC Region origin ASes announcing only one prefix: 2356
LACNIC Region transit ASes present in the Internet Routing Table: 1691
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6567
Number of LACNIC addresses announced to Internet: 173863936
Equivalent to 10 /8s, 92 /16s and 244 /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: 21583
Total AfriNIC prefixes after maximum aggregation: 4364
AfriNIC Deaggregation factor: 4.95
Prefixes being announced from the AfriNIC address blocks: 31401
Unique aggregates announced from the AfriNIC address blocks: 9681
AfriNIC Region origin ASes present in the Internet Routing Table: 1340
AfriNIC Prefixes per ASN: 23.43
AfriNIC Region origin ASes announcing only one prefix: 476
AfriNIC Region transit ASes present in the Internet Routing Table: 261
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 621
Number of AfriNIC addresses announced to Internet: 105975040
Equivalent to 6 /8s, 81 /16s and 13 /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 5064 629 600 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4688 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3238 1331 26 VIETEL-AS-AP Viettel Group, VN
45899 3078 1771 107 VNPT-AS-VN VNPT Corp, VN
7713 2621 800 483 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2611 9043 63 CMNET-GD Guangdong Mobile Communication
9829 2541 1495 530 BSNL-NIB National Internet Backbone, IN
4766 2523 11121 750 KIXS-AS-KR Korea Telecom, KR
9498 2198 433 209 BBIL-AP BHARTI Airtel Ltd., IN
4755 2147 442 197 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 4056 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3777 308 116 CABLEONE - CABLE ONE, INC., US
22773 3483 2970 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3391 1324 93 SHAW - Shaw Communications Inc., CA
16509 3216 7155 1544 AMAZON-02 - Amazon.com, Inc., US
16625 2850 1502 2043 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2232 353 127 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2133 2769 517 CHARTER-20115 - Charter Communications,
18566 2073 405 104 MEGAPATH5-US - MegaPath Corporation, US
5650 2062 3073 1454 FRONTIER-FRTR - Frontier Communications
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 5606 1617 135 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
8551 2961 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2779 480 1944 AKAMAI-ASN1, US
31334 2614 484 13 KABELDEUTSCHLAND-AS, DE
12389 2404 2232 691 ROSTELECOM-AS, RU
9121 2164 1692 18 TTNET, TR
34984 2160 350 535 TELLCOM-AS, TR
9009 1873 205 1029 M247, GB
13188 1604 100 47 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 6298 3353 590 Uninet S.A. de C.V., MX
10620 3363 534 452 Telmex Colombia S.A., CO
11830 2698 370 54 Instituto Costarricense de Electricidad
6503 1710 346 389 Axtel, S.A.B. de C.V., MX
7303 1477 1024 276 Telecom Argentina S.A., AR
28573 1183 2232 194 CLARO S.A., BR
13999 1098 491 243 Mega Cable, S.A. de C.V., MX
6147 1089 380 37 Telefonica del Peru S.A.A., PE
3816 1074 558 132 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 933 110 59 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 1170 393 23 LINKdotNET-AS, EG
36992 1045 1535 73 ETISALAT-MISR, EG
24835 972 618 25 RAYA-AS, EG
36903 868 438 95 MT-MPLS, MA
8452 670 1857 19 TE-AS TE-AS, EG
6713 626 1863 34 IAM-AS, MA
29571 530 68 11 ORANGE-COTE-IVOIRE, CI
15399 410 45 10 WANANCHI-, KE
37342 379 32 1 MOVITEL, MZ
23889 366 231 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 6298 3353 590 Uninet S.A. de C.V., MX
12479 5606 1617 135 UNI2-AS, ES
7545 5064 629 600 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4688 4192 74 ERX-CERNET-BKB China Education and Rese
7155 4056 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 219 19 ALJAWWALSTC-AS, SA
11492 3777 308 116 CABLEONE - CABLE ONE, INC., US
22773 3483 2970 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3391 1324 93 SHAW - Shaw Communications Inc., CA
10620 3363 534 452 Telmex Colombia S.A., CO
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
12479 5606 5471 UNI2-AS, ES
4538 4688 4614 ERX-CERNET-BKB China Education and Research Net
7545 5064 4464 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4056 4029 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 4015 ALJAWWALSTC-AS, SA
11492 3777 3661 CABLEONE - CABLE ONE, INC., US
22773 3483 3328 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
6327 3391 3298 SHAW - Shaw Communications Inc., CA
7552 3238 3212 VIETEL-AS-AP Viettel Group, VN
45899 3078 2971 VNPT-AS-VN VNPT Corp, VN
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
64501 DOCUMENT 45.174.25.0/24 267817 UNKNOWN
260984 UNALLOCATED 45.175.186.0/23 16735 ALGAR TELECOM S/A, BR
269458 UNALLOCATED 45.186.192.0/22 266525 MAX TELECOMUNICACOES LTDA - ME
269458 UNALLOCATED 45.186.192.0/23 266525 MAX TELECOMUNICACOES LTDA - ME
269458 UNALLOCATED 45.186.194.0/23 266525 MAX TELECOMUNICACOES LTDA - ME
269467 UNALLOCATED 45.187.140.0/22 53062 G G NET - Telecomunicações LTD
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65550 DOCUMENT 81.8.34.0/24 15924 BORUSANTELEKOM-AS, TR
65550 DOCUMENT 81.8.35.0/24 15924 BORUSANTELEKOM-AS, TR
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.136.224.0/24 15206 6X7 - 6x7 Networks LLC, ZZ
27.100.7.0/24 56096 UNKNOWN
27.126.156.0/22 55827 UNKNOWN
27.126.156.0/23 55827 UNKNOWN
27.126.158.0/23 55827 UNKNOWN
41.67.192.0/18 15964 CAMNET-AS, CM
41.67.192.0/24 15964 CAMNET-AS, CM
41.67.200.0/24 15964 CAMNET-AS, CM
41.67.201.0/24 15964 CAMNET-AS, CM
41.67.202.0/24 15964 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 /10:38 /11:100 /12:291
/13:573 /14:1150 /15:1927 /16:13312 /17:8090 /18:13776
/19:25728 /20:40118 /21:47473 /22:97474 /23:78981 /24:449561
/25:1548 /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 4565 5606 UNI2-AS, ES
6327 3178 3391 SHAW - Shaw Communications Inc., CA
7155 3148 4056 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 2946 4034 ALJAWWALSTC-AS, SA
11492 2922 3777 CABLEONE - CABLE ONE, INC., US
22773 2708 3483 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
31334 2470 2614 KABELDEUTSCHLAND-AS, DE
8551 2420 2961 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2045 2698 Instituto Costarricense de Electricidad y Telec
8151 2014 6298 Uninet S.A. de C.V., MX
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1541 2:1124 3:6 4:21 5:3113 6:49
7:1 8:1371 9:1 12:1793 13:425 14:2142
15:52 16:7 17:272 18:78 20:56 23:2985
24:2601 25:4 27:2487 31:2760 32:105 35:36
36:921 37:3171 38:1786 39:305 40:126 41:3377
42:638 43:2096 44:184 45:11782 46:3319 47:269
49:1434 50:1129 51:348 52:1067 54:261 55:728
56:6 57:48 58:2035 59:1102 60:631 61:2213
62:2123 63:1883 64:4998 65:2264 66:4855 67:2734
68:1215 69:3619 70:1389 71:672 72:2713 74:2686
75:1291 76:594 77:2562 78:2001 79:2182 80:1823
81:1525 82:1187 83:959 84:1195 85:2417 86:568
87:1602 88:1122 89:2596 90:244 91:6687 92:1440
93:2464 94:2563 95:3680 96:954 97:338 98:955
99:830 100:82 101:1090 102:686 103:22462 104:3657
105:335 106:831 107:1828 108:683 109:3614 110:1802
111:2035 112:1566 113:1381 114:1468 115:1814 116:1807
117:1969 118:2176 119:1666 120:1086 121:1057 122:2303
123:1858 124:1534 125:2014 128:1402 129:882 130:543
131:1811 132:765 133:241 134:1105 135:261 136:586
137:825 138:2122 139:965 140:659 141:892 142:778
143:1094 144:907 145:284 146:1435 147:927 148:1871
149:1029 150:828 151:1287 152:1430 153:364 154:4403
155:892 156:2796 157:1060 158:704 159:1950 160:1640
161:1035 162:3019 163:865 164:1300 165:1157 166:526
167:1446 168:3594 169:487 170:4207 171:707 172:1767
173:2304 174:1035 175:1004 176:2546 177:4137 178:2783
179:1443 180:2171 181:2392 182:2820 183:1121 184:2288
185:15714 186:3805 187:2579 188:3417 189:2073 190:8292
191:1498 192:10118 193:6863 194:5579 195:4175 196:3185
197:1799 198:6063 199:5960 200:7142 201:5155 202:10446
203:10206 204:4586 205:3087 206:3233 207:3266 208:3967
209:4296 210:3952 211:2037 212:3317 213:2957 214:1157
215:54 216:5874 217:2281 218:888 219:604 220:1922
221:971 222:1017 223:1394
End of report
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