[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 5 Mar 18:02:33 UTC 2021
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 06 Mar, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 847450
Prefixes after maximum aggregation (per Origin AS): 322444
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 404254
Total ASes present in the Internet Routing Table: 70673
Prefixes per ASN: 11.99
Origin-only ASes present in the Internet Routing Table: 60809
Origin ASes announcing only one prefix: 25079
Transit ASes present in the Internet Routing Table: 9864
Transit-only ASes present in the Internet Routing Table: 304
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 62
Max AS path prepend of ASN (266299) 59
Prefixes from unregistered ASNs in the Routing Table: 1003
Number of instances of unregistered ASNs: 1007
Number of 32-bit ASNs allocated by the RIRs: 35292
Number of 32-bit ASNs visible in the Routing Table: 29287
Prefixes from 32-bit ASNs in the Routing Table: 136290
Number of bogon 32-bit ASNs visible in the Routing Table: 17
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 552
Number of addresses announced to Internet: 2916221056
Equivalent to 173 /8s, 210 /16s and 0 /24s
Percentage of available address space announced: 78.8
Percentage of allocated address space announced: 78.8
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: 288727
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 222391
Total APNIC prefixes after maximum aggregation: 65023
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 218361
Unique aggregates announced from the APNIC address blocks: 88652
APNIC Region origin ASes present in the Internet Routing Table: 11303
APNIC Prefixes per ASN: 19.32
APNIC Region origin ASes announcing only one prefix: 3218
APNIC Region transit ASes present in the Internet Routing Table: 1607
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6458
Number of APNIC addresses announced to Internet: 770590976
Equivalent to 45 /8s, 238 /16s and 73 /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, 131072-143673
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: 243978
Total ARIN prefixes after maximum aggregation: 112313
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 244662
Unique aggregates announced from the ARIN address blocks: 116841
ARIN Region origin ASes present in the Internet Routing Table: 18746
ARIN Prefixes per ASN: 13.05
ARIN Region origin ASes announcing only one prefix: 6809
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: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3751
Number of ARIN addresses announced to Internet: 1152412416
Equivalent to 68 /8s, 176 /16s and 107 /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, 393216-401308
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: 242179
Total RIPE prefixes after maximum aggregation: 113044
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 237976
Unique aggregates announced from the RIPE address blocks: 140054
RIPE Region origin ASes present in the Internet Routing Table: 27761
RIPE Prefixes per ASN: 8.57
RIPE Region origin ASes announcing only one prefix: 11903
RIPE Region transit ASes present in the Internet Routing Table: 3900
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9986
Number of RIPE addresses announced to Internet: 710342016
Equivalent to 42 /8s, 86 /16s and 245 /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: 112760
Total LACNIC prefixes after maximum aggregation: 26383
LACNIC Deaggregation factor: 4.27
Prefixes being announced from the LACNIC address blocks: 113887
Unique aggregates announced from the LACNIC address blocks: 48173
LACNIC Region origin ASes present in the Internet Routing Table: 10701
LACNIC Prefixes per ASN: 10.64
LACNIC Region origin ASes announcing only one prefix: 2644
LACNIC Region transit ASes present in the Internet Routing Table: 2005
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 62
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8305
Number of LACNIC addresses announced to Internet: 174562048
Equivalent to 10 /8s, 103 /16s and 155 /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: 25138
Total AfriNIC prefixes after maximum aggregation: 4931
AfriNIC Deaggregation factor: 5.10
Prefixes being announced from the AfriNIC address blocks: 32012
Unique aggregates announced from the AfriNIC address blocks: 10034
AfriNIC Region origin ASes present in the Internet Routing Table: 1446
AfriNIC Prefixes per ASN: 22.14
AfriNIC Region origin ASes announcing only one prefix: 505
AfriNIC Region transit ASes present in the Internet Routing Table: 284
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 787
Number of AfriNIC addresses announced to Internet: 107878912
Equivalent to 6 /8s, 110 /16s and 26 /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 5716 783 669 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4830 4192 74 ERX-CERNET-BKB China Education and Rese
9808 3724 9045 60 CMNET-GD Guangdong Mobile Communication
7552 3538 1330 21 VIETEL-AS-AP Viettel Group, VN
7713 3515 1014 54 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 2899 1896 55 VNPT-AS-VN VNPT Corp, VN
4766 2449 11105 568 KIXS-AS-KR Korea Telecom, KR
9498 2310 482 230 BBIL-AP BHARTI Airtel Ltd., IN
4755 2145 441 192 TATACOMM-AS TATA Communications formerl
45090 2080 1045 63 CNNIC-TENCENT-NET-AP Shenzhen Tencent C
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
16509 4876 9194 2209 AMAZON-02, US
11492 4752 315 722 CABLEONE, US
7155 4030 264 32 VIASAT-SP-BACKBONE, US
22773 3897 2997 243 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3348 1317 72 SHAW, CA
16625 3314 1727 2356 AKAMAI-AS, US
30036 2520 371 85 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2511 5057 500 CENTURYLINK-US-LEGACY-QWEST, US
5650 2350 3000 1642 FRONTIER-FRTR, US
5972 2199 445 781 DNIC-ASBLK-05800-06055, 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
47331 7753 1049 3440 TTNET, TR
12479 6369 1700 146 UNI2-AS, ES
20940 3502 3347 209 AKAMAI-ASN1, NL
39891 3266 187 22 ALJAWWALSTC-AS, SA
8551 3086 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2883 2283 894 ROSTELECOM-AS, RU
9009 2438 250 1316 M247, GB
34984 2179 355 583 TELLCOM-AS, TR
13188 1610 100 31 TRIOLAN, UA
58224 1532 873 563 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 8402 3468 583 Uninet S.A. de C.V., MX
10620 3401 526 610 Telmex Colombia S.A., CO
11830 2563 369 63 Instituto Costarricense de Electricidad
13999 1648 436 421 Mega Cable, S.A. de C.V., MX
7303 1451 925 265 Telecom Argentina S.A., AR
6503 1442 311 475 Axtel, S.A.B. de C.V., MX
28573 1402 2264 220 CLARO S.A., BR
3816 1202 614 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1126 377 39 Telefonica del Peru S.A.A., PE
11664 994 211 408 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 1578 393 22 LINKdotNET-AS, EG
24835 1289 482 29 RAYA-AS, EG
36992 1191 1537 174 ETISALAT-MISR, EG
36903 972 507 110 MT-MPLS, MA
29571 706 68 11 ORANGE-COTE-IVOIRE, CI
6713 538 1863 34 IAM-AS, MA
36935 500 522 40 Vodafone-, EG
15399 480 46 16 WANANCHI-, KE
23889 454 232 16 MauritiusTelecom, MU
37342 454 32 1 MOVITEL, MZ
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 8402 3468 583 Uninet S.A. de C.V., MX
47331 7753 1049 3440 TTNET, TR
12479 6369 1700 146 UNI2-AS, ES
7545 5716 783 669 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 4876 9194 2209 AMAZON-02, US
4538 4830 4192 74 ERX-CERNET-BKB China Education and Rese
11492 4752 315 722 CABLEONE, US
7155 4030 264 32 VIASAT-SP-BACKBONE, US
22773 3897 2997 243 ASN-CXA-ALL-CCI-22773-RDC, US
9808 3724 9045 60 CMNET-GD Guangdong Mobile Communication
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 6369 6223 UNI2-AS, ES
7545 5716 5047 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4830 4756 ERX-CERNET-BKB China Education and Research Net
47331 7753 4313 TTNET, TR
11492 4752 4030 CABLEONE, US
7155 4030 3998 VIASAT-SP-BACKBONE, US
9808 3724 3664 CMNET-GD Guangdong Mobile Communication Co.Ltd.
22773 3897 3654 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3538 3517 VIETEL-AS-AP Viettel Group, VN
7713 3515 3461 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
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
18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, 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
23.141.0.0/24 Origin: 395350 UNASSIGNED
Transit: 11426 TWC-11426-CAROLINAS, US
23.142.80.0/24 Origin: 397881 STINGERS, US
Transit: 398481 REDMERCURY, US
23.175.48.0/24 Origin: 398357 ETHNC-ASN, US
Transit: 46664 VDI-NETWORK, US
23.226.240.0/20 Origin: 40430 UNASSIGNED
Transit: 174 COGENT-174, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
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 /8:11 /9:12 /10:41 /11:102 /12:292
/13:577 /14:1182 /15:1937 /16:13497 /17:8286 /18:13755
/19:25578 /20:41730 /21:50921 /22:105290 /23:89662 /24:493158
/25:1419 /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
47331 6924 7753 TTNET, TR
12479 5330 6369 UNI2-AS, ES
11492 3807 4752 CABLEONE, US
6327 3153 3348 SHAW, CA
7155 3118 4030 VIASAT-SP-BACKBONE, US
8151 2980 8402 Uninet S.A. de C.V., MX
22773 2948 3897 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3266 ALJAWWALSTC-AS, SA
8551 2550 3086 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2238 2520 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1883 2:1164 3:94 4:18 5:3531 6:64
7:5 8:1497 9:1 11:36 12:1754 13:359
14:2353 15:77 16:15 17:317 18:93 20:126
22:188 23:4433 24:2379 25:2 27:2502 31:2267
32:112 34:3 35:40 36:1145 37:3711 38:2055
39:485 40:151 41:3806 42:919 43:2111 44:237
45:15019 46:3650 47:320 49:1619 50:1712 51:90
52:1209 54:218 55:788 56:6 57:56 58:1743
59:1210 60:883 61:2408 62:2225 63:1972 64:5281
65:2390 66:5143 67:2912 68:1176 69:4069 70:1405
71:687 72:3232 74:2571 75:1479 76:686 77:2013
78:3645 79:2323 80:1828 81:1627 82:1315 83:1102
84:1255 85:3309 86:720 87:1789 88:2710 89:2988
90:432 91:7260 92:1746 93:2539 94:3019 95:4387
96:1239 97:346 98:995 99:971 100:89 101:1052
102:1260 103:25489 104:3701 105:424 106:714 107:2220
108:685 109:3907 110:2002 111:2614 112:1779 113:1647
114:1457 115:1874 116:1878 117:2208 118:2323 119:1917
120:992 121:1087 122:2323 123:2193 124:1595 125:2103
128:1334 129:947 130:807 131:2029 132:754 133:354
134:1557 135:290 136:732 137:907 138:2291 139:1195
140:746 141:1187 142:1087 143:1280 144:1223 145:324
146:1389 147:1260 148:2204 149:1405 150:772 151:1089
152:1550 153:388 154:2228 155:1344 156:1495 157:1155
158:928 159:2051 160:2068 161:1157 162:3245 163:970
164:1436 165:1339 166:598 167:1777 168:3528 169:656
170:4327 171:761 172:2096 173:2962 174:981 175:1101
176:3001 177:4303 178:2892 179:1907 180:2274 181:2615
182:3204 183:1641 184:2462 185:17941 186:4189 187:3118
188:3296 189:2802 190:8978 191:1439 192:10671 193:7918
194:6534 195:4690 196:2889 197:2314 198:6036 199:5992
200:7406 201:5344 202:10555 203:10116 204:4614 205:3298
206:3478 207:3335 208:3989 209:4620 210:4258 211:2165
212:3680 213:3301 214:1199 215:61 216:6149 217:2521
218:1049 219:689 220:2058 221:926 222:995 223:1759
End of report
Plus d'informations sur la liste de diffusion cmNOG