[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 12 Fév 18:03:33 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 13 Feb, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 845861
Prefixes after maximum aggregation (per Origin AS): 322196
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 402923
Total ASes present in the Internet Routing Table: 70526
Prefixes per ASN: 11.99
Origin-only ASes present in the Internet Routing Table: 60682
Origin ASes announcing only one prefix: 25080
Transit ASes present in the Internet Routing Table: 9844
Transit-only ASes present in the Internet Routing Table: 295
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: 927
Number of instances of unregistered ASNs: 933
Number of 32-bit ASNs allocated by the RIRs: 35042
Number of 32-bit ASNs visible in the Routing Table: 29074
Prefixes from 32-bit ASNs in the Routing Table: 135830
Number of bogon 32-bit ASNs visible in the Routing Table: 18
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 560
Number of addresses announced to Internet: 2910555264
Equivalent to 173 /8s, 123 /16s and 140 /24s
Percentage of available address space announced: 78.6
Percentage of allocated address space announced: 78.6
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: 288838
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 221583
Total APNIC prefixes after maximum aggregation: 65428
APNIC Deaggregation factor: 3.39
Prefixes being announced from the APNIC address blocks: 217412
Unique aggregates announced from the APNIC address blocks: 88209
APNIC Region origin ASes present in the Internet Routing Table: 11268
APNIC Prefixes per ASN: 19.29
APNIC Region origin ASes announcing only one prefix: 3225
APNIC Region transit ASes present in the Internet Routing Table: 1595
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: 6419
Number of APNIC addresses announced to Internet: 770448384
Equivalent to 45 /8s, 236 /16s and 28 /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: 243710
Total ARIN prefixes after maximum aggregation: 112158
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 244226
Unique aggregates announced from the ARIN address blocks: 116434
ARIN Region origin ASes present in the Internet Routing Table: 18727
ARIN Prefixes per ASN: 13.04
ARIN Region origin ASes announcing only one prefix: 6808
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: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3705
Number of ARIN addresses announced to Internet: 1147787520
Equivalent to 68 /8s, 105 /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, 393216-401308
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: 242051
Total RIPE prefixes after maximum aggregation: 112658
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 238056
Unique aggregates announced from the RIPE address blocks: 139612
RIPE Region origin ASes present in the Internet Routing Table: 27736
RIPE Prefixes per ASN: 8.58
RIPE Region origin ASes announcing only one prefix: 11914
RIPE Region transit ASes present in the Internet Routing Table: 3891
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: 9927
Number of RIPE addresses announced to Internet: 710304384
Equivalent to 42 /8s, 86 /16s and 98 /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: 112427
Total LACNIC prefixes after maximum aggregation: 26347
LACNIC Deaggregation factor: 4.27
Prefixes being announced from the LACNIC address blocks: 113586
Unique aggregates announced from the LACNIC address blocks: 48143
LACNIC Region origin ASes present in the Internet Routing Table: 10648
LACNIC Prefixes per ASN: 10.67
LACNIC Region origin ASes announcing only one prefix: 2633
LACNIC Region transit ASes present in the Internet Routing Table: 2004
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: 8251
Number of LACNIC addresses announced to Internet: 173827328
Equivalent to 10 /8s, 92 /16s and 101 /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: 25162
Total AfriNIC prefixes after maximum aggregation: 4873
AfriNIC Deaggregation factor: 5.16
Prefixes being announced from the AfriNIC address blocks: 32021
Unique aggregates announced from the AfriNIC address blocks: 10009
AfriNIC Region origin ASes present in the Internet Routing Table: 1448
AfriNIC Prefixes per ASN: 22.11
AfriNIC Region origin ASes announcing only one prefix: 500
AfriNIC Region transit ASes present in the Internet Routing Table: 286
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 772
Number of AfriNIC addresses announced to Internet: 107762688
Equivalent to 6 /8s, 108 /16s and 84 /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 5727 781 667 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4750 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3548 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3229 935 528 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 3218 9045 60 CMNET-GD Guangdong Mobile Communication
45899 2887 1896 55 VNPT-AS-VN VNPT Corp, VN
4766 2448 11105 569 KIXS-AS-KR Korea Telecom, KR
9498 2304 482 230 BBIL-AP BHARTI Airtel Ltd., IN
4755 2144 441 191 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 4827 9094 2170 AMAZON-02, US
11492 4742 315 738 CABLEONE, US
7155 4038 264 32 VIASAT-SP-BACKBONE, US
22773 3863 2992 247 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3329 1317 72 SHAW, CA
16625 3281 1715 2334 AKAMAI-AS, US
209 2522 5058 503 CENTURYLINK-US-LEGACY-QWEST, US
30036 2505 370 89 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2352 3000 1642 FRONTIER-FRTR, US
5972 2187 437 773 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 8089 1086 3227 TTNET, TR
12479 6301 1700 146 UNI2-AS, ES
39891 3459 195 22 ALJAWWALSTC-AS, SA
20940 3440 3347 207 AKAMAI-ASN1, NL
8551 3247 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2877 2282 890 ROSTELECOM-AS, RU
9009 2350 237 1262 M247, GB
34984 2177 354 582 TELLCOM-AS, TR
13188 1611 100 23 TRIOLAN, UA
58224 1512 870 561 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 8238 3405 595 Uninet S.A. de C.V., MX
10620 3400 526 612 Telmex Colombia S.A., CO
11830 2561 369 63 Instituto Costarricense de Electricidad
13999 1629 433 417 Mega Cable, S.A. de C.V., MX
6503 1441 311 475 Axtel, S.A.B. de C.V., MX
7303 1439 913 262 Telecom Argentina S.A., AR
28573 1389 2261 221 CLARO S.A., BR
6147 1162 379 39 Telefonica del Peru S.A.A., PE
3816 1156 574 143 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 987 210 410 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 1581 393 22 LINKdotNET-AS, EG
24835 1294 486 27 RAYA-AS, EG
36992 1178 1537 169 ETISALAT-MISR, EG
36903 978 510 101 MT-MPLS, MA
29571 702 68 11 ORANGE-COTE-IVOIRE, CI
6713 532 1863 34 IAM-AS, MA
36935 489 522 41 Vodafone-, EG
37342 486 32 1 MOVITEL, MZ
15399 483 46 18 WANANCHI-, KE
23889 454 232 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 8238 3405 595 Uninet S.A. de C.V., MX
47331 8089 1086 3227 TTNET, TR
12479 6301 1700 146 UNI2-AS, ES
7545 5727 781 667 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 4827 9094 2170 AMAZON-02, US
4538 4750 4192 74 ERX-CERNET-BKB China Education and Rese
11492 4742 315 738 CABLEONE, US
7155 4038 264 32 VIASAT-SP-BACKBONE, US
22773 3863 2992 247 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3548 1330 19 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 6301 6155 UNI2-AS, ES
7545 5727 5060 TPG-INTERNET-AP TPG Telecom Limited, AU
47331 8089 4862 TTNET, TR
4538 4750 4676 ERX-CERNET-BKB China Education and Research Net
7155 4038 4006 VIASAT-SP-BACKBONE, US
11492 4742 4004 CABLEONE, US
22773 3863 3616 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3548 3529 VIETEL-AS-AP Viettel Group, VN
39891 3459 3437 ALJAWWALSTC-AS, SA
6327 3329 3257 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
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
393489 UNALLOCATED 12.7.109.0/24 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
23.226.240.0/20 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
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 /8:11 /9:12 /10:40 /11:102 /12:293
/13:580 /14:1182 /15:1932 /16:13500 /17:8308 /18:13796
/19:25618 /20:41725 /21:50907 /22:105083 /23:89560 /24:491766
/25:1446 /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 7234 8089 TTNET, TR
12479 5268 6301 UNI2-AS, ES
11492 3797 4742 CABLEONE, US
6327 3134 3329 SHAW, CA
7155 3126 4038 VIASAT-SP-BACKBONE, US
22773 2924 3863 ASN-CXA-ALL-CCI-22773-RDC, US
8151 2840 8238 Uninet S.A. de C.V., MX
39891 2801 3459 ALJAWWALSTC-AS, SA
8551 2712 3247 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2237 2505 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1880 2:1171 3:94 4:19 5:3598 6:65
7:5 8:1487 9:1 11:36 12:1760 13:358
14:2424 15:76 16:15 17:308 18:94 20:117
22:188 23:4344 24:2377 25:2 27:2383 31:2202
32:112 34:2 35:39 36:1141 37:3630 38:2049
39:485 40:150 41:3867 42:896 43:2100 44:233
45:14928 46:3624 47:320 49:1612 50:1708 51:102
52:1205 54:217 55:775 56:6 57:57 58:1692
59:1164 60:824 61:2364 62:2220 63:1983 64:5251
65:2408 66:5175 67:2919 68:1173 69:4075 70:1399
71:687 72:3240 74:2584 75:1476 76:693 77:2025
78:3730 79:2489 80:1806 81:1646 82:1303 83:1120
84:1258 85:3291 86:653 87:1805 88:2836 89:3049
90:402 91:7260 92:1644 93:2531 94:2949 95:4456
96:1224 97:346 98:978 99:978 100:91 101:1054
102:1279 103:25346 104:3657 105:418 106:723 107:2212
108:675 109:3839 110:2001 111:2384 112:1770 113:1681
114:1440 115:1869 116:1890 117:2193 118:2312 119:1934
120:946 121:1084 122:2283 123:2179 124:1633 125:2144
128:1323 129:1164 130:803 131:2019 132:760 133:320
134:1555 135:288 136:721 137:897 138:2289 139:1163
140:743 141:1167 142:1059 143:1239 144:1218 145:326
146:1395 147:1238 148:2210 149:1267 150:749 151:1199
152:1544 153:385 154:2184 155:1316 156:1474 157:1158
158:928 159:2050 160:2065 161:1103 162:3236 163:965
164:1426 165:1302 166:613 167:1770 168:3547 169:651
170:4343 171:755 172:2066 173:2950 174:979 175:1065
176:2965 177:4330 178:2868 179:1886 180:2276 181:2621
182:3191 183:1705 184:2459 185:17890 186:4170 187:3083
188:3314 189:2752 190:9069 191:1470 192:10657 193:7926
194:6490 195:4655 196:2963 197:2343 198:6028 199:5982
200:7396 201:5281 202:10496 203:10113 204:4645 205:3259
206:3428 207:3322 208:3995 209:4615 210:4233 211:2177
212:3626 213:3289 214:1213 215:61 216:6171 217:2518
218:1022 219:682 220:2069 221:944 222:983 223:1743
End of report
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