[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 8 18:03:39 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 09 Jan, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 835914
Prefixes after maximum aggregation (per Origin AS): 320620
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 400305
Total ASes present in the Internet Routing Table: 70275
Prefixes per ASN: 11.89
Origin-only ASes present in the Internet Routing Table: 60448
Origin ASes announcing only one prefix: 25023
Transit ASes present in the Internet Routing Table: 9827
Transit-only ASes present in the Internet Routing Table: 296
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: 1015
Number of instances of unregistered ASNs: 1018
Number of 32-bit ASNs allocated by the RIRs: 34613
Number of 32-bit ASNs visible in the Routing Table: 28766
Prefixes from 32-bit ASNs in the Routing Table: 132847
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 501
Number of addresses announced to Internet: 2864181632
Equivalent to 170 /8s, 183 /16s and 241 /24s
Percentage of available address space announced: 77.4
Percentage of allocated address space announced: 77.4
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: 284376
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 218915
Total APNIC prefixes after maximum aggregation: 64842
APNIC Deaggregation factor: 3.38
Prefixes being announced from the APNIC address blocks: 214864
Unique aggregates announced from the APNIC address blocks: 87855
APNIC Region origin ASes present in the Internet Routing Table: 11192
APNIC Prefixes per ASN: 19.20
APNIC Region origin ASes announcing only one prefix: 3195
APNIC Region transit ASes present in the Internet Routing Table: 1604
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: 6324
Number of APNIC addresses announced to Internet: 778374912
Equivalent to 46 /8s, 101 /16s and 15 /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: 241300
Total ARIN prefixes after maximum aggregation: 111690
ARIN Deaggregation factor: 2.16
Prefixes being announced from the ARIN address blocks: 241836
Unique aggregates announced from the ARIN address blocks: 115697
ARIN Region origin ASes present in the Internet Routing Table: 18696
ARIN Prefixes per ASN: 12.94
ARIN Region origin ASes announcing only one prefix: 6814
ARIN Region transit ASes present in the Internet Routing Table: 1921
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: 3649
Number of ARIN addresses announced to Internet: 1093157376
Equivalent to 65 /8s, 40 /16s and 66 /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: 238117
Total RIPE prefixes after maximum aggregation: 112203
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 234004
Unique aggregates announced from the RIPE address blocks: 137985
RIPE Region origin ASes present in the Internet Routing Table: 27618
RIPE Prefixes per ASN: 8.47
RIPE Region origin ASes announcing only one prefix: 11875
RIPE Region transit ASes present in the Internet Routing Table: 3878
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: 9804
Number of RIPE addresses announced to Internet: 709883008
Equivalent to 42 /8s, 79 /16s and 244 /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: 111846
Total LACNIC prefixes after maximum aggregation: 26287
LACNIC Deaggregation factor: 4.25
Prefixes being announced from the LACNIC address blocks: 112942
Unique aggregates announced from the LACNIC address blocks: 48012
LACNIC Region origin ASes present in the Internet Routing Table: 10633
LACNIC Prefixes per ASN: 10.62
LACNIC Region origin ASes announcing only one prefix: 2652
LACNIC Region transit ASes present in the Internet Routing Table: 1983
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: 8234
Number of LACNIC addresses announced to Internet: 174092288
Equivalent to 10 /8s, 96 /16s and 112 /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: 24719
Total AfriNIC prefixes after maximum aggregation: 4838
AfriNIC Deaggregation factor: 5.11
Prefixes being announced from the AfriNIC address blocks: 31767
Unique aggregates announced from the AfriNIC address blocks: 10337
AfriNIC Region origin ASes present in the Internet Routing Table: 1427
AfriNIC Prefixes per ASN: 22.26
AfriNIC Region origin ASes announcing only one prefix: 486
AfriNIC Region transit ASes present in the Internet Routing Table: 289
Average AfriNIC Region AS path length visible: 5.2
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 755
Number of AfriNIC addresses announced to Internet: 108230400
Equivalent to 6 /8s, 115 /16s and 119 /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 5687 777 661 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4743 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3536 1330 21 VIETEL-AS-AP Viettel Group, VN
7713 3234 952 519 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 2864 1896 55 VNPT-AS-VN VNPT Corp, VN
9808 2778 9044 57 CMNET-GD Guangdong Mobile Communication
4766 2462 11104 567 KIXS-AS-KR Korea Telecom, KR
9498 2305 482 233 BBIL-AP BHARTI Airtel Ltd., IN
4755 2131 441 189 TATACOMM-AS TATA Communications formerl
45090 2069 1045 64 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 4735 314 723 CABLEONE, US
16509 4618 9077 2134 AMAZON-02, US
7155 4037 264 32 VIASAT-SP-BACKBONE, US
22773 3819 3020 228 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3348 1319 83 SHAW, CA
16625 3188 1669 2286 AKAMAI-AS, US
209 2521 5058 507 CENTURYLINK-US-LEGACY-QWEST, US
30036 2499 370 85 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2350 3000 1640 FRONTIER-FRTR, US
20115 2165 2902 510 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 6312 859 3615 TTNET, TR
12479 6215 1667 141 UNI2-AS, ES
39891 3459 195 22 ALJAWWALSTC-AS, SA
20940 3372 3359 186 AKAMAI-ASN1, NL
8551 3116 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2874 2280 886 ROSTELECOM-AS, RU
9009 2307 231 1246 M247, GB
34984 2175 354 578 TELLCOM-AS, TR
13188 1611 100 23 TRIOLAN, UA
58224 1491 860 546 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 8101 3400 588 Uninet S.A. de C.V., MX
10620 3385 526 606 Telmex Colombia S.A., CO
11830 2564 369 63 Instituto Costarricense de Electricidad
13999 1608 432 412 Mega Cable, S.A. de C.V., MX
6503 1438 311 475 Axtel, S.A.B. de C.V., MX
7303 1435 910 262 Telecom Argentina S.A., AR
28573 1380 2260 221 CLARO S.A., BR
6147 1146 379 39 Telefonica del Peru S.A.A., PE
3816 1118 540 149 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 1570 393 21 LINKdotNET-AS, EG
24835 1253 466 28 RAYA-AS, EG
36992 1158 1521 163 ETISALAT-MISR, EG
36903 979 511 102 MT-MPLS, MA
29571 703 68 12 ORANGE-COTE-IVOIRE, CI
6713 533 1863 34 IAM-AS, MA
37342 479 32 1 MOVITEL, MZ
23889 454 232 16 MauritiusTelecom, MU
36935 443 522 39 Vodafone-, EG
15399 440 46 16 WANANCHI-, 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 8101 3400 588 Uninet S.A. de C.V., MX
47331 6312 859 3615 TTNET, TR
12479 6215 1667 141 UNI2-AS, ES
7545 5687 777 661 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4743 4192 74 ERX-CERNET-BKB China Education and Rese
11492 4735 314 723 CABLEONE, US
16509 4618 9077 2134 AMAZON-02, US
7155 4037 264 32 VIASAT-SP-BACKBONE, US
22773 3819 3020 228 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3536 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 6215 6074 UNI2-AS, ES
7545 5687 5026 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4743 4669 ERX-CERNET-BKB China Education and Research Net
11492 4735 4012 CABLEONE, US
7155 4037 4005 VIASAT-SP-BACKBONE, US
22773 3819 3591 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3536 3515 VIETEL-AS-AP Viettel Group, VN
39891 3459 3437 ALJAWWALSTC-AS, SA
6327 3348 3265 SHAW, CA
20940 3372 3186 AKAMAI-ASN1, NL
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
16589 UNALLOCATED 8.20.247.0/24 23393 NUCDN, US
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
16589 UNALLOCATED 8.26.56.0/24 23393 NUCDN, US
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
393579 UNALLOCATED 8.38.98.0/24 3356 LEVEL3, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, 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: 397881 STINGERS, 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 /14:1176 /15:1924 /16:13459 /17:8247 /18:13689
/19:25636 /20:41507 /21:50600 /22:103774 /23:88216 /24:485346
/25:1307 /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 5594 6312 TTNET, TR
12479 5194 6215 UNI2-AS, ES
11492 3809 4735 CABLEONE, US
6327 3143 3348 SHAW, CA
7155 3125 4037 VIASAT-SP-BACKBONE, US
22773 2895 3819 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3459 ALJAWWALSTC-AS, SA
8151 2721 8101 Uninet S.A. de C.V., MX
8551 2577 3116 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2229 2499 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 2:1185 3:70 4:18 5:3581 6:53
8:1500 9:1 11:1 12:1753 13:350 14:2423
15:75 16:14 17:309 18:93 20:113 23:4192
24:2369 25:3 27:2334 31:2181 32:114 34:1
35:36 36:1140 37:3555 38:2011 39:471 40:150
41:3848 42:880 43:2099 44:233 45:14644 46:3581
47:317 49:1603 50:1680 51:89 52:1108 54:217
55:771 56:6 57:57 58:1691 59:1150 60:818
61:2326 62:2211 63:1992 64:5227 65:2391 66:5128
67:2949 68:1165 69:4094 70:1402 71:685 72:3104
74:2567 75:1468 76:690 77:1989 78:3249 79:2511
80:1915 81:1627 82:1314 83:1100 84:1258 85:3096
86:617 87:1799 88:2418 89:2881 90:397 91:7203
92:1583 93:2558 94:2918 95:4159 96:1230 97:344
98:964 99:979 100:90 101:1051 102:1250 103:25156
104:3630 105:400 106:716 107:2179 108:693 109:3651
110:1995 111:2349 112:1696 113:1585 114:1419 115:1853
116:1867 117:2130 118:2299 119:1869 120:952 121:1052
122:2300 123:2164 124:1610 125:2144 128:1324 129:1269
130:775 131:2009 132:757 133:312 134:1384 135:328
136:686 137:902 138:2297 139:1172 140:733 141:1167
142:1049 143:1221 144:1208 145:340 146:1385 147:1216
148:2164 149:1256 150:760 151:1199 152:1548 153:446
154:2147 155:1252 156:1357 157:1150 158:901 159:2051
160:2034 161:1080 162:3244 163:942 164:1433 165:1308
166:600 167:1750 168:3598 169:638 170:4354 171:751
172:2042 173:2919 174:960 175:1062 176:2944 177:4377
178:2800 179:1855 180:2273 181:2589 182:3180 183:1565
184:2446 185:17634 186:4049 187:2964 188:3262 189:2702
190:9077 191:1349 192:10610 193:7864 194:6449 195:4586
196:3104 197:2269 198:6019 199:5950 200:7312 201:5291
202:10490 203:10084 204:4662 205:3102 206:3371 207:3324
208:3993 209:4624 210:4225 211:2139 212:3616 213:3211
214:1186 215:60 216:6144 217:2473 218:916 219:642
220:2095 221:928 222:974 223:1708
End of report
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