[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 18 Sep 18:03:25 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 19 Sep, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 823713
Prefixes after maximum aggregation (per Origin AS): 313888
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 396613
Total ASes present in the Internet Routing Table: 69426
Prefixes per ASN: 11.86
Origin-only ASes present in the Internet Routing Table: 59659
Origin ASes announcing only one prefix: 24758
Transit ASes present in the Internet Routing Table: 9767
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: 47
Max AS path prepend of ASN ( 37385) 44
Prefixes from unregistered ASNs in the Routing Table: 829
Number of instances of unregistered ASNs: 830
Number of 32-bit ASNs allocated by the RIRs: 33522
Number of 32-bit ASNs visible in the Routing Table: 27683
Prefixes from 32-bit ASNs in the Routing Table: 128618
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 446
Number of addresses announced to Internet: 2860680832
Equivalent to 170 /8s, 130 /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: 276420
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 216676
Total APNIC prefixes after maximum aggregation: 63566
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 210515
Unique aggregates announced from the APNIC address blocks: 86747
APNIC Region origin ASes present in the Internet Routing Table: 10861
APNIC Prefixes per ASN: 19.38
APNIC Region origin ASes announcing only one prefix: 3045
APNIC Region transit ASes present in the Internet Routing Table: 1590
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5963
Number of APNIC addresses announced to Internet: 779146752
Equivalent to 46 /8s, 112 /16s and 214 /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: 240915
Total ARIN prefixes after maximum aggregation: 111026
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 238608
Unique aggregates announced from the ARIN address blocks: 116675
ARIN Region origin ASes present in the Internet Routing Table: 18588
ARIN Prefixes per ASN: 12.84
ARIN Region origin ASes announcing only one prefix: 6797
ARIN Region transit ASes present in the Internet Routing Table: 1903
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: 3424
Number of ARIN addresses announced to Internet: 1087758336
Equivalent to 64 /8s, 213 /16s and 224 /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: 230212
Total RIPE prefixes after maximum aggregation: 108152
RIPE Deaggregation factor: 2.13
Prefixes being announced from the RIPE address blocks: 226321
Unique aggregates announced from the RIPE address blocks: 135790
RIPE Region origin ASes present in the Internet Routing Table: 27387
RIPE Prefixes per ASN: 8.26
RIPE Region origin ASes announcing only one prefix: 11818
RIPE Region transit ASes present in the Internet Routing Table: 3864
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9503
Number of RIPE addresses announced to Internet: 709162624
Equivalent to 42 /8s, 68 /16s and 246 /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: 111579
Total LACNIC prefixes after maximum aggregation: 25699
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 112706
Unique aggregates announced from the LACNIC address blocks: 47619
LACNIC Region origin ASes present in the Internet Routing Table: 10487
LACNIC Prefixes per ASN: 10.75
LACNIC Region origin ASes announcing only one prefix: 2598
LACNIC Region transit ASes present in the Internet Routing Table: 1964
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8069
Number of LACNIC addresses announced to Internet: 174514432
Equivalent to 10 /8s, 102 /16s and 225 /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: 23501
Total AfriNIC prefixes after maximum aggregation: 4784
AfriNIC Deaggregation factor: 4.91
Prefixes being announced from the AfriNIC address blocks: 35117
Unique aggregates announced from the AfriNIC address blocks: 9412
AfriNIC Region origin ASes present in the Internet Routing Table: 1425
AfriNIC Prefixes per ASN: 24.64
AfriNIC Region origin ASes announcing only one prefix: 500
AfriNIC Region transit ASes present in the Internet Routing Table: 291
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 47
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 724
Number of AfriNIC addresses announced to Internet: 109672704
Equivalent to 6 /8s, 137 /16s and 121 /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 5662 766 675 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4762 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3534 1330 21 VIETEL-AS-AP Viettel Group, VN
45899 3228 1896 51 VNPT-AS-VN VNPT Corp, VN
7713 2718 829 613 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2536 9043 60 CMNET-GD Guangdong Mobile Communication
4766 2348 11103 553 KIXS-AS-KR Korea Telecom, KR
9498 2294 450 229 BBIL-AP BHARTI Airtel Ltd., IN
4755 2147 441 193 TATACOMM-AS TATA Communications formerl
9394 2041 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 4614 309 637 CABLEONE, US
16509 4247 8312 1957 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3636 2984 173 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3352 1323 82 SHAW, CA
16625 3100 1653 2264 AKAMAI-AS, US
209 2488 5060 526 CENTURYLINK-US-LEGACY-QWEST, US
26484 2448 153 332 IKGUL-26484, US
30036 2435 364 223 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2311 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 6110 1652 135 UNI2-AS, ES
39891 3652 203 21 ALJAWWALSTC-AS, SA
8551 3428 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3199 2217 1029 AKAMAI-ASN1, EU
12389 2748 2275 859 ROSTELECOM-AS, RU
34984 2202 355 572 TELLCOM-AS, TR
9009 2180 232 1181 M247, GB
13188 1609 100 35 TRIOLAN, UA
61317 1339 157 595 ASDETUK http://www.heficed.com, GB
58224 1296 838 519 TCI, IR
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 7955 3339 615 Uninet S.A. de C.V., MX
10620 3386 531 509 Telmex Colombia S.A., CO
11830 2565 369 63 Instituto Costarricense de Electricidad
6503 1626 323 414 Axtel, S.A.B. de C.V., MX
7303 1470 949 289 Telecom Argentina S.A., AR
13999 1427 470 386 Mega Cable, S.A. de C.V., MX
28573 1365 2248 215 CLARO S.A., BR
3816 1144 575 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1121 379 39 Telefonica del Peru S.A.A., PE
11172 957 111 69 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 1429 393 22 LINKdotNET-AS, EG
36992 1149 1540 75 ETISALAT-MISR, EG
24835 1106 464 28 RAYA-AS, EG
36903 918 480 94 MT-MPLS, MA
29571 695 68 12 ORANGE-COTE-IVOIRE, CI
6713 552 1863 34 IAM-AS, MA
15399 495 46 15 WANANCHI-, KE
37342 481 32 1 MOVITEL, MZ
36935 448 519 37 Vodafone-, EG
23889 345 232 16 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 7955 3339 615 Uninet S.A. de C.V., MX
12479 6110 1652 135 UNI2-AS, ES
7545 5662 766 675 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4762 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4614 309 637 CABLEONE, US
16509 4247 8312 1957 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
39891 3652 203 21 ALJAWWALSTC-AS, SA
22773 3636 2984 173 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3534 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 6110 5975 UNI2-AS, ES
7545 5662 4987 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4762 4689 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
11492 4614 3977 CABLEONE, US
39891 3652 3631 ALJAWWALSTC-AS, SA
7552 3534 3513 VIETEL-AS-AP Viettel Group, VN
22773 3636 3463 ASN-CXA-ALL-CCI-22773-RDC, US
8551 3428 3383 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3352 3270 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
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
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
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
23.142.80.0/24 Origin: 10753 LVLT-10753, US
Transit: 3356 LEVEL3, 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
27.126.156.0/23 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 /9:12 /10:39 /11:100 /12:286
/13:576 /14:1176 /15:1932 /16:13476 /17:8296 /18:14012
/19:25617 /20:41155 /21:49576 /22:102506 /23:85697 /24:477970
/25:1278 /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 5090 6110 UNI2-AS, ES
11492 3679 4614 CABLEONE, US
6327 3149 3352 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
8551 2887 3428 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2814 3636 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3652 ALJAWWALSTC-AS, SA
8151 2776 7955 Uninet S.A. de C.V., MX
30036 2178 2435 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 1994 2311 FRONTIER-FRTR, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1631 2:1148 3:33 4:19 5:3563 6:54
8:1457 9:1 11:1 12:1771 13:344 14:2331
15:72 16:8 17:294 18:88 20:111 23:3983
24:2339 25:3 27:2337 31:2172 32:123 34:1
35:42 36:982 37:3445 38:1896 39:465 40:143
41:3690 42:638 43:2153 44:217 45:14978 46:3519
47:321 49:1516 50:1639 51:90 52:1110 54:229
55:679 56:6 57:51 58:1629 59:1167 60:785
61:2313 62:2149 63:2015 64:5263 65:2355 66:5073
67:2900 68:1171 69:4078 70:1398 71:677 72:2966
74:2569 75:1456 76:672 77:1953 78:1670 79:2624
80:2067 81:1616 82:1327 83:1258 84:1236 85:2694
86:561 87:1788 88:934 89:2819 90:386 91:7147
92:1569 93:2511 94:2801 95:3385 96:1256 97:340
98:919 99:980 100:87 101:1023 102:1094 103:24369
104:3560 105:397 106:900 107:2102 108:728 109:3761
110:1970 111:2038 112:1673 113:1441 114:1521 115:1839
116:1817 117:2094 118:2168 119:1730 120:834 121:1051
122:2545 123:2060 124:1648 125:2113 128:1384 129:1244
130:716 131:1920 132:755 133:306 134:1370 135:312
136:623 137:839 138:2297 139:1034 140:721 141:1090
142:971 143:1231 144:1158 145:367 146:1397 147:1030
148:2134 149:1184 150:769 151:1332 152:1557 153:423
154:4552 155:1223 156:3020 157:1114 158:880 159:1984
160:1988 161:1075 162:3166 163:868 164:1509 165:1323
166:591 167:1667 168:3498 169:612 170:4383 171:772
172:1988 173:2721 174:975 175:1044 176:2797 177:4832
178:2704 179:1848 180:2281 181:2537 182:3114 183:1189
184:2422 185:16944 186:3895 187:3026 188:3336 189:2684
190:8983 191:1403 192:10454 193:7691 194:6295 195:4534
196:3109 197:2047 198:6098 199:5932 200:7276 201:5247
202:10570 203:10221 204:4634 205:3104 206:3187 207:3266
208:4020 209:4528 210:4179 211:2045 212:3491 213:3250
214:1175 215:60 216:6127 217:2468 218:855 219:612
220:2067 221:911 222:988 223:1684
End of report
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