[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 25 18:03:30 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 26 Dec, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 834627
Prefixes after maximum aggregation (per Origin AS): 319962
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 399619
Total ASes present in the Internet Routing Table: 70194
Prefixes per ASN: 11.89
Origin-only ASes present in the Internet Routing Table: 60341
Origin ASes announcing only one prefix: 24973
Transit ASes present in the Internet Routing Table: 9853
Transit-only ASes present in the Internet Routing Table: 301
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 203
Max AS path prepend of ASN (396896) 200
Prefixes from unregistered ASNs in the Routing Table: 1050
Number of instances of unregistered ASNs: 1053
Number of 32-bit ASNs allocated by the RIRs: 34527
Number of 32-bit ASNs visible in the Routing Table: 28671
Prefixes from 32-bit ASNs in the Routing Table: 132240
Number of bogon 32-bit ASNs visible in the Routing Table: 23
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 522
Number of addresses announced to Internet: 2863188352
Equivalent to 170 /8s, 168 /16s and 201 /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: 284081
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 218461
Total APNIC prefixes after maximum aggregation: 64434
APNIC Deaggregation factor: 3.39
Prefixes being announced from the APNIC address blocks: 214540
Unique aggregates announced from the APNIC address blocks: 87588
APNIC Region origin ASes present in the Internet Routing Table: 11144
APNIC Prefixes per ASN: 19.25
APNIC Region origin ASes announcing only one prefix: 3167
APNIC Region transit ASes present in the Internet Routing Table: 1610
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 31
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6283
Number of APNIC addresses announced to Internet: 777992448
Equivalent to 46 /8s, 95 /16s and 57 /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: 240552
Total ARIN prefixes after maximum aggregation: 111516
ARIN Deaggregation factor: 2.16
Prefixes being announced from the ARIN address blocks: 240984
Unique aggregates announced from the ARIN address blocks: 115437
ARIN Region origin ASes present in the Internet Routing Table: 18692
ARIN Prefixes per ASN: 12.89
ARIN Region origin ASes announcing only one prefix: 6825
ARIN Region transit ASes present in the Internet Routing Table: 1918
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 203
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3631
Number of ARIN addresses announced to Internet: 1092682240
Equivalent to 65 /8s, 33 /16s and 2 /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: 237678
Total RIPE prefixes after maximum aggregation: 112162
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 233540
Unique aggregates announced from the RIPE address blocks: 137882
RIPE Region origin ASes present in the Internet Routing Table: 27597
RIPE Prefixes per ASN: 8.46
RIPE Region origin ASes announcing only one prefix: 11858
RIPE Region transit ASes present in the Internet Routing Table: 3885
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 38
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9778
Number of RIPE addresses announced to Internet: 709773952
Equivalent to 42 /8s, 78 /16s and 74 /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: 112175
Total LACNIC prefixes after maximum aggregation: 26265
LACNIC Deaggregation factor: 4.27
Prefixes being announced from the LACNIC address blocks: 113301
Unique aggregates announced from the LACNIC address blocks: 47952
LACNIC Region origin ASes present in the Internet Routing Table: 10631
LACNIC Prefixes per ASN: 10.66
LACNIC Region origin ASes announcing only one prefix: 2637
LACNIC Region transit ASes present in the Internet Routing Table: 1989
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 33
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8227
Number of LACNIC addresses announced to Internet: 173972736
Equivalent to 10 /8s, 94 /16s and 157 /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: 24709
Total AfriNIC prefixes after maximum aggregation: 4830
AfriNIC Deaggregation factor: 5.12
Prefixes being announced from the AfriNIC address blocks: 31740
Unique aggregates announced from the AfriNIC address blocks: 10335
AfriNIC Region origin ASes present in the Internet Routing Table: 1424
AfriNIC Prefixes per ASN: 22.29
AfriNIC Region origin ASes announcing only one prefix: 485
AfriNIC Region transit ASes present in the Internet Routing Table: 285
Average AfriNIC Region AS path length visible: 5.2
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 752
Number of AfriNIC addresses announced to Internet: 108327936
Equivalent to 6 /8s, 116 /16s and 244 /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 5680 777 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4744 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3542 1330 21 VIETEL-AS-AP Viettel Group, VN
7713 3234 952 519 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 2860 1896 55 VNPT-AS-VN VNPT Corp, VN
9808 2589 9044 57 CMNET-GD Guangdong Mobile Communication
4766 2405 11105 563 KIXS-AS-KR Korea Telecom, KR
9498 2296 466 233 BBIL-AP BHARTI Airtel Ltd., IN
4755 2133 441 189 TATACOMM-AS TATA Communications formerl
45090 2067 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
11492 4767 316 692 CABLEONE, US
16509 4547 9071 2107 AMAZON-02, US
7155 4022 264 32 VIASAT-SP-BACKBONE, US
22773 3774 3008 211 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3357 1319 83 SHAW, CA
16625 3160 1656 2273 AKAMAI-AS, US
209 2522 5058 508 CENTURYLINK-US-LEGACY-QWEST, US
30036 2489 369 123 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2336 2984 1643 FRONTIER-FRTR, US
20115 2163 2898 509 CHARTER-20115, 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 6258 852 3605 TTNET, TR
12479 6214 1667 141 UNI2-AS, ES
39891 3460 195 23 ALJAWWALSTC-AS, SA
20940 3318 3345 198 AKAMAI-ASN1, NL
8551 3209 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2875 2280 887 ROSTELECOM-AS, RU
9009 2238 230 1227 M247, GB
34984 2174 354 578 TELLCOM-AS, TR
13188 1611 100 23 TRIOLAN, UA
58224 1467 857 550 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 8140 3400 588 Uninet S.A. de C.V., MX
10620 3389 526 598 Telmex Colombia S.A., CO
11830 2564 369 63 Instituto Costarricense de Electricidad
13999 1605 432 408 Mega Cable, S.A. de C.V., MX
6503 1438 311 475 Axtel, S.A.B. de C.V., MX
7303 1437 911 263 Telecom Argentina S.A., AR
28573 1374 2260 220 CLARO S.A., BR
6147 1147 379 39 Telefonica del Peru S.A.A., PE
3816 1115 537 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1008 213 417 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 1566 393 22 LINKdotNET-AS, EG
24835 1287 478 26 RAYA-AS, EG
36992 1162 1526 155 ETISALAT-MISR, EG
36903 970 506 106 MT-MPLS, MA
29571 707 68 12 ORANGE-COTE-IVOIRE, CI
6713 533 1863 34 IAM-AS, MA
36935 466 522 40 Vodafone-, EG
23889 454 232 16 MauritiusTelecom, MU
15399 440 46 16 WANANCHI-, KE
37342 420 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 8140 3400 588 Uninet S.A. de C.V., MX
47331 6258 852 3605 TTNET, TR
12479 6214 1667 141 UNI2-AS, ES
7545 5680 777 659 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4767 316 692 CABLEONE, US
4538 4744 4192 73 ERX-CERNET-BKB China Education and Rese
16509 4547 9071 2107 AMAZON-02, US
7155 4022 264 32 VIASAT-SP-BACKBONE, US
22773 3774 3008 211 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3542 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 6214 6073 UNI2-AS, ES
7545 5680 5021 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4744 4671 ERX-CERNET-BKB China Education and Research Net
11492 4767 4075 CABLEONE, US
7155 4022 3990 VIASAT-SP-BACKBONE, US
22773 3774 3563 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3542 3521 VIETEL-AS-AP Viettel Group, VN
39891 3460 3437 ALJAWWALSTC-AS, SA
6327 3357 3274 SHAW, CA
8551 3209 3164 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
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
23.133.192.0/24 Origin: 16734 UNASSIGNED
Transit: 266201 RNV CORP EIRELI, BR
23.141.0.0/24 Origin: 395350 UNASSIGNED
Transit: 11426 TWC-11426-CAROLINAS, US
23.142.80.0/24 Origin: 3803 RCN-AS1, US
Transit: 398481 REDMERCURY, 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 /8:8 /9:13 /10:40 /11:101 /12:292
/13:579 /14:1175 /15:1931 /16:13458 /17:8257 /18:13689
/19:25574 /20:41488 /21:50540 /22:103454 /23:88035 /24:484705
/25:1288 /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 5541 6258 TTNET, TR
12479 5184 6214 UNI2-AS, ES
11492 3817 4767 CABLEONE, US
6327 3152 3357 SHAW, CA
7155 3111 4022 VIASAT-SP-BACKBONE, US
22773 2884 3774 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2802 3460 ALJAWWALSTC-AS, SA
8151 2765 8140 Uninet S.A. de C.V., MX
8551 2670 3209 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2221 2489 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1881 2:1167 3:38 4:18 5:3587 6:54
8:1493 9:1 11:1 12:1741 13:350 14:2405
15:75 16:13 17:308 18:93 20:113 23:4147
24:2365 25:3 27:2339 31:2174 32:112 34:1
35:35 36:1141 37:3539 38:2010 39:462 40:150
41:3849 42:880 43:2095 44:235 45:14675 46:3580
47:321 49:1605 50:1688 51:89 52:1126 54:216
55:690 56:6 57:57 58:1683 59:1146 60:817
61:2322 62:2197 63:2005 64:5220 65:2377 66:5109
67:2951 68:1172 69:4097 70:1397 71:685 72:3094
74:2537 75:1457 76:692 77:1982 78:3188 79:2472
80:1918 81:1637 82:1297 83:1094 84:1255 85:3092
86:621 87:1793 88:2418 89:2884 90:396 91:7184
92:1593 93:2555 94:2918 95:4152 96:1228 97:342
98:966 99:976 100:90 101:1054 102:1222 103:25096
104:3620 105:393 106:771 107:2184 108:690 109:3762
110:1998 111:2349 112:1664 113:1560 114:1426 115:1856
116:1864 117:2118 118:2293 119:1872 120:952 121:1052
122:2297 123:2157 124:1631 125:2138 128:1310 129:1266
130:774 131:1989 132:726 133:312 134:1391 135:326
136:687 137:884 138:2293 139:1171 140:736 141:1163
142:1049 143:1231 144:1211 145:340 146:1387 147:1209
148:2162 149:1246 150:757 151:1202 152:1608 153:445
154:2111 155:1263 156:1341 157:1150 158:903 159:2036
160:2053 161:1078 162:3220 163:934 164:1435 165:1318
166:602 167:1731 168:3621 169:632 170:4371 171:757
172:2029 173:2910 174:975 175:1061 176:2918 177:4449
178:2802 179:1878 180:2277 181:2582 182:3163 183:1518
184:2409 185:17616 186:4023 187:3051 188:3224 189:2690
190:9080 191:1423 192:10587 193:7874 194:6424 195:4570
196:3114 197:2207 198:6018 199:5948 200:7313 201:5279
202:10540 203:10180 204:4649 205:3094 206:3286 207:3320
208:3984 209:4621 210:4205 211:2105 212:3608 213:3198
214:1185 215:61 216:6132 217:2481 218:900 219:643
220:2088 221:934 222:987 223:1705
End of report
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