[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 16 18:03:35 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 17 Oct, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 826808
Prefixes after maximum aggregation (per Origin AS): 316287
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 398073
Total ASes present in the Internet Routing Table: 69668
Prefixes per ASN: 11.87
Origin-only ASes present in the Internet Routing Table: 59882
Origin ASes announcing only one prefix: 24808
Transit ASes present in the Internet Routing Table: 9786
Transit-only ASes present in the Internet Routing Table: 303
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 30
Max AS path prepend of ASN ( 45582) 27
Prefixes from unregistered ASNs in the Routing Table: 951
Number of instances of unregistered ASNs: 952
Number of 32-bit ASNs allocated by the RIRs: 33809
Number of 32-bit ASNs visible in the Routing Table: 27980
Prefixes from 32-bit ASNs in the Routing Table: 127729
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: 520
Number of addresses announced to Internet: 2862122496
Equivalent to 170 /8s, 152 /16s and 134 /24s
Percentage of available address space announced: 77.3
Percentage of allocated address space announced: 77.3
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: 278788
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 215877
Total APNIC prefixes after maximum aggregation: 63380
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 211415
Unique aggregates announced from the APNIC address blocks: 86745
APNIC Region origin ASes present in the Internet Routing Table: 10936
APNIC Prefixes per ASN: 19.33
APNIC Region origin ASes announcing only one prefix: 3078
APNIC Region transit ASes present in the Internet Routing Table: 1591
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6048
Number of APNIC addresses announced to Internet: 778814848
Equivalent to 46 /8s, 107 /16s and 197 /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: 241443
Total ARIN prefixes after maximum aggregation: 111305
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 239298
Unique aggregates announced from the ARIN address blocks: 116619
ARIN Region origin ASes present in the Internet Routing Table: 18628
ARIN Prefixes per ASN: 12.85
ARIN Region origin ASes announcing only one prefix: 6787
ARIN Region transit ASes present in the Internet Routing Table: 1906
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3483
Number of ARIN addresses announced to Internet: 1090539008
Equivalent to 65 /8s, 0 /16s and 78 /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: 233043
Total RIPE prefixes after maximum aggregation: 110244
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 229154
Unique aggregates announced from the RIPE address blocks: 136240
RIPE Region origin ASes present in the Internet Routing Table: 27444
RIPE Prefixes per ASN: 8.35
RIPE Region origin ASes announcing only one prefix: 11839
RIPE Region transit ASes present in the Internet Routing Table: 3882
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9585
Number of RIPE addresses announced to Internet: 709273984
Equivalent to 42 /8s, 70 /16s and 169 /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: 111603
Total LACNIC prefixes after maximum aggregation: 25891
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 112763
Unique aggregates announced from the LACNIC address blocks: 47880
LACNIC Region origin ASes present in the Internet Routing Table: 10545
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2611
LACNIC Region transit ASes present in the Internet Routing Table: 1956
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8137
Number of LACNIC addresses announced to Internet: 174389248
Equivalent to 10 /8s, 100 /16s and 248 /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: 23890
Total AfriNIC prefixes after maximum aggregation: 4744
AfriNIC Deaggregation factor: 5.04
Prefixes being announced from the AfriNIC address blocks: 33658
Unique aggregates announced from the AfriNIC address blocks: 10158
AfriNIC Region origin ASes present in the Internet Routing Table: 1413
AfriNIC Prefixes per ASN: 23.82
AfriNIC Region origin ASes announcing only one prefix: 493
AfriNIC Region transit ASes present in the Internet Routing Table: 292
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 727
Number of AfriNIC addresses announced to Internet: 108644864
Equivalent to 6 /8s, 121 /16s and 202 /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 5714 775 681 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4748 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3570 1330 21 VIETEL-AS-AP Viettel Group, VN
45899 3245 1896 51 VNPT-AS-VN VNPT Corp, VN
7713 2714 829 613 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2558 9043 60 CMNET-GD Guangdong Mobile Communication
4766 2351 11103 554 KIXS-AS-KR Korea Telecom, KR
9498 2303 450 231 BBIL-AP BHARTI Airtel Ltd., IN
4755 2141 441 191 TATACOMM-AS TATA Communications formerl
9394 2042 4914 18 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 4627 309 779 CABLEONE, US
16509 4353 8633 2005 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3666 2988 187 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3336 1323 81 SHAW, CA
16625 3136 1656 2253 AKAMAI-AS, US
209 2522 5060 518 CENTURYLINK-US-LEGACY-QWEST, US
30036 2469 367 126 MEDIACOM-ENTERPRISE-BUSINESS, US
26484 2379 149 312 IKGUL-26484, US
5650 2312 2981 1625 FRONTIER-FRTR, 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 6208 1652 139 UNI2-AS, ES
39891 3652 203 21 ALJAWWALSTC-AS, SA
8551 3471 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3213 2277 964 AKAMAI-ASN1, EU
12389 2781 2277 867 ROSTELECOM-AS, RU
47331 2322 402 1762 TTNET, TR
34984 2199 355 573 TELLCOM-AS, TR
9009 2162 228 1168 M247, GB
13188 1610 100 31 TRIOLAN, UA
61317 1330 155 589 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 8057 3326 604 Uninet S.A. de C.V., MX
10620 3394 530 526 Telmex Colombia S.A., CO
11830 2563 369 63 Instituto Costarricense de Electricidad
6503 1594 322 446 Axtel, S.A.B. de C.V., MX
7303 1481 952 267 Telecom Argentina S.A., AR
13999 1475 460 389 Mega Cable, S.A. de C.V., MX
28573 1350 2253 223 CLARO S.A., BR
3816 1160 576 165 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1144 379 39 Telefonica del Peru S.A.A., PE
11664 984 211 408 Techtel LMDS Comunicaciones Interactiva
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 1445 393 22 LINKdotNET-AS, EG
36992 1195 1528 130 ETISALAT-MISR, EG
24835 1110 476 29 RAYA-AS, EG
36903 918 480 94 MT-MPLS, MA
29571 700 68 12 ORANGE-COTE-IVOIRE, CI
6713 553 1863 34 IAM-AS, MA
15399 491 46 15 WANANCHI-, KE
37342 481 32 1 MOVITEL, MZ
36935 446 519 37 Vodafone-, EG
36914 349 82 3 KENET-AS, 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 8057 3326 604 Uninet S.A. de C.V., MX
12479 6208 1652 139 UNI2-AS, ES
7545 5714 775 681 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4748 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4627 309 779 CABLEONE, US
16509 4353 8633 2005 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3666 2988 187 ASN-CXA-ALL-CCI-22773-RDC, US
39891 3652 203 21 ALJAWWALSTC-AS, SA
7552 3570 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 6208 6069 UNI2-AS, ES
7545 5714 5033 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4748 4675 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
11492 4627 3848 CABLEONE, US
39891 3652 3631 ALJAWWALSTC-AS, SA
7552 3570 3549 VIETEL-AS-AP Viettel Group, VN
22773 3666 3479 ASN-CXA-ALL-CCI-22773-RDC, US
8551 3471 3426 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3336 3255 SHAW, CA
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, US
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, 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
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
46766 UNALLOCATED 8.44.208.0/24 3356 LEVEL3, US
40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US
46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, US
15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, 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
23.141.0.0/24 Origin: 395350 UNASSIGNED
Transit: 11426 TWC-11426-CAROLINAS, US
23.142.80.0/24 Origin: 397294 UNASSIGNED
Transit: 398559 TUNBROKER, US
23.157.0.0/24 Origin: 395101 UNASSIGNED
Transit: 33657 CMCS, 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 No. 14, Jala
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 /9:13 /10:40 /11:100 /12:288
/13:577 /14:1169 /15:1936 /16:13470 /17:8292 /18:14020
/19:25612 /20:40989 /21:50038 /22:102610 /23:86519 /24:479844
/25:1282 /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 5173 6208 UNI2-AS, ES
11492 3735 4627 CABLEONE, US
6327 3134 3336 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
8551 2930 3471 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2831 3666 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3652 ALJAWWALSTC-AS, SA
8151 2793 8057 Uninet S.A. de C.V., MX
30036 2212 2469 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 1995 2312 FRONTIER-FRTR, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1634 2:1140 3:33 4:19 5:3594 6:54
8:1470 9:1 11:1 12:1769 13:345 14:2362
15:72 16:10 17:295 18:89 20:111 23:4047
24:2343 25:3 27:2330 31:2163 32:114 34:1
35:44 36:1000 37:3488 38:1887 39:465 40:150
41:3813 42:610 43:2138 44:219 45:14726 46:3556
47:320 49:1541 50:1663 51:105 52:1117 54:222
55:706 56:6 57:54 58:1597 59:1148 60:806
61:2321 62:2170 63:2019 64:5287 65:2384 66:5088
67:2893 68:1168 69:4069 70:1396 71:677 72:2999
74:2545 75:1455 76:678 77:1976 78:2131 79:2648
80:2053 81:1635 82:1322 83:1153 84:1253 85:2770
86:571 87:1800 88:1452 89:2869 90:378 91:7172
92:1570 93:2510 94:2813 95:3638 96:1236 97:338
98:938 99:981 100:87 101:1021 102:1099 103:24586
104:3568 105:366 106:910 107:2114 108:694 109:3762
110:1979 111:2346 112:1693 113:1472 114:1525 115:1834
116:1828 117:2111 118:2191 119:1742 120:883 121:1045
122:2562 123:2069 124:1614 125:2135 128:1380 129:1253
130:743 131:1916 132:749 133:308 134:1371 135:329
136:655 137:883 138:2314 139:1345 140:746 141:1100
142:982 143:1211 144:1146 145:347 146:1369 147:1248
148:2168 149:1213 150:762 151:1327 152:1563 153:437
154:3336 155:1173 156:2489 157:1116 158:887 159:2018
160:1980 161:1079 162:3194 163:897 164:1521 165:1302
166:593 167:1675 168:3545 169:616 170:4373 171:776
172:1997 173:2889 174:971 175:1046 176:2735 177:4244
178:2724 179:1885 180:2252 181:2554 182:3111 183:1456
184:2437 185:17118 186:3924 187:3021 188:3307 189:2662
190:9090 191:1468 192:10557 193:7758 194:6331 195:4557
196:3154 197:2149 198:6059 199:5922 200:7331 201:5287
202:10523 203:10202 204:4644 205:3086 206:3215 207:3263
208:3995 209:4507 210:4217 211:2080 212:3528 213:3272
214:1185 215:60 216:6115 217:2475 218:852 219:615
220:2063 221:914 222:979 223:1650
End of report
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