[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 13 18:02:46 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 14 Aug, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 859233
Prefixes after maximum aggregation (per Origin AS): 325419
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 412951
Total ASes present in the Internet Routing Table: 71756
Prefixes per ASN: 11.97
Origin-only ASes present in the Internet Routing Table: 61685
Origin ASes announcing only one prefix: 25422
Transit ASes present in the Internet Routing Table: 10071
Transit-only ASes present in the Internet Routing Table: 328
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 37
Max AS path prepend of ASN (141827) 33
Prefixes from unregistered ASNs in the Routing Table: 1073
Number of instances of unregistered ASNs: 1079
Number of 32-bit ASNs allocated by the RIRs: 36882
Number of 32-bit ASNs visible in the Routing Table: 30663
Prefixes from 32-bit ASNs in the Routing Table: 142443
Number of bogon 32-bit ASNs visible in the Routing Table: 26
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 533
Number of addresses announced to Internet: 3039950336
Equivalent to 181 /8s, 49 /16s and 246 /24s
Percentage of available address space announced: 82.1
Percentage of allocated address space announced: 82.1
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: 285549
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 230688
Total APNIC prefixes after maximum aggregation: 66041
APNIC Deaggregation factor: 3.49
Prefixes being announced from the APNIC address blocks: 226129
Unique aggregates announced from the APNIC address blocks: 91042
APNIC Region origin ASes present in the Internet Routing Table: 11835
APNIC Prefixes per ASN: 19.11
APNIC Region origin ASes announcing only one prefix: 3356
APNIC Region transit ASes present in the Internet Routing Table: 1676
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6999
Number of APNIC addresses announced to Internet: 773842432
Equivalent to 46 /8s, 31 /16s and 230 /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, 131072-147769
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: 251416
Total ARIN prefixes after maximum aggregation: 115126
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 251019
Unique aggregates announced from the ARIN address blocks: 119512
ARIN Region origin ASes present in the Internet Routing Table: 18871
ARIN Prefixes per ASN: 13.30
ARIN Region origin ASes announcing only one prefix: 6860
ARIN Region transit ASes present in the Internet Routing Table: 1945
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 28
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4054
Number of ARIN addresses announced to Internet: 1269971840
Equivalent to 75 /8s, 178 /16s and 59 /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: 238809
Total RIPE prefixes after maximum aggregation: 111777
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 235343
Unique aggregates announced from the RIPE address blocks: 144080
RIPE Region origin ASes present in the Internet Routing Table: 28017
RIPE Prefixes per ASN: 8.40
RIPE Region origin ASes announcing only one prefix: 12033
RIPE Region transit ASes present in the Internet Routing Table: 3907
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10338
Number of RIPE addresses announced to Internet: 711115392
Equivalent to 42 /8s, 98 /16s and 194 /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: 111249
Total LACNIC prefixes after maximum aggregation: 26556
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 112292
Unique aggregates announced from the LACNIC address blocks: 47161
LACNIC Region origin ASes present in the Internet Routing Table: 10772
LACNIC Prefixes per ASN: 10.42
LACNIC Region origin ASes announcing only one prefix: 2648
LACNIC Region transit ASes present in the Internet Routing Table: 2079
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8427
Number of LACNIC addresses announced to Internet: 176148480
Equivalent to 10 /8s, 127 /16s and 208 /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: 25997
Total AfriNIC prefixes after maximum aggregation: 5162
AfriNIC Deaggregation factor: 5.04
Prefixes being announced from the AfriNIC address blocks: 33917
Unique aggregates announced from the AfriNIC address blocks: 10685
AfriNIC Region origin ASes present in the Internet Routing Table: 1513
AfriNIC Prefixes per ASN: 22.42
AfriNIC Region origin ASes announcing only one prefix: 525
AfriNIC Region transit ASes present in the Internet Routing Table: 298
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 845
Number of AfriNIC addresses announced to Internet: 108525312
Equivalent to 6 /8s, 119 /16s and 247 /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
9808 7655 9000 57 CMNET-GD Guangdong Mobile Communication
7545 5821 785 675 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4708 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3604 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3531 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 2801 1897 55 VNPT-AS-VN VNPT Corp, VN
4766 2487 11121 572 KIXS-AS-KR Korea Telecom, KR
9498 2374 503 249 BBIL-AP BHARTI Airtel Ltd., IN
45090 2129 1198 75 CNNIC-TENCENT-NET-AP Shenzhen Tencent C
4755 2120 437 193 TATACOMM-AS TATA Communications formerl
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 5388 9657 2422 AMAZON-02, US
11492 4766 314 740 CABLEONE, US
7155 3981 264 32 VIASAT-SP-BACKBONE, US
22773 3978 3030 277 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3589 1852 2488 AKAMAI-AS, US
6327 3362 1313 62 SHAW, CA
30036 2574 375 226 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2517 5029 455 CENTURYLINK-US-LEGACY-QWEST, US
5972 2265 483 823 DNIC-ASBLK-05800-06055, US
20115 2245 3048 506 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
12479 6785 1726 145 UNI2-AS, ES
20940 3743 3348 216 AKAMAI-ASN1, NL
39891 3267 187 22 ALJAWWALSTC-AS, SA
8551 2942 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2913 2283 896 ROSTELECOM-AS, RU
9009 2467 256 1322 M247, GB
34984 2218 357 594 TELLCOM-AS, TR
61317 1750 269 965 ASDETUK www.heficed.com, GB
58224 1623 889 561 TCI, IR
13188 1610 100 27 TRIOLAN, UA
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 8665 3456 586 Uninet S.A. de C.V., MX
10620 3399 522 671 Telmex Colombia S.A., CO
11830 2507 369 62 Instituto Costarricense de Electricidad
13999 1795 414 474 Mega Cable, S.A. de C.V., MX
6503 1500 359 477 Axtel, S.A.B. de C.V., MX
28573 1448 2306 230 CLARO S.A., BR
3816 1240 652 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
26615 1099 2351 134 TIM SA, BR
6147 1090 369 22 Telefonica del Peru S.A.A., PE
11664 983 194 437 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 1649 393 22 LINKdotNET-AS, EG
24835 1425 499 30 RAYA-AS, EG
36992 1309 1489 266 ETISALAT-MISR, EG
36903 1183 537 110 MT-MPLS, MA
29571 739 68 11 ORANGE-COTE-IVOIRE, CI
6713 612 1863 34 IAM-AS, MA
36935 571 522 40 Vodafone-, EG
15399 500 49 28 WANANCHI-, KE
37342 463 32 1 MOVITEL, MZ
2018 329 319 74 TENET-1, ZA
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 8665 3456 586 Uninet S.A. de C.V., MX
9808 7655 9000 57 CMNET-GD Guangdong Mobile Communication
12479 6785 1726 145 UNI2-AS, ES
7545 5821 785 675 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 5388 9657 2422 AMAZON-02, US
11492 4766 314 740 CABLEONE, US
4538 4708 4192 74 ERX-CERNET-BKB China Education and Rese
7155 3981 264 32 VIASAT-SP-BACKBONE, US
22773 3978 3030 277 ASN-CXA-ALL-CCI-22773-RDC, US
20940 3743 3348 216 AKAMAI-ASN1, NL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 7655 7598 CMNET-GD Guangdong Mobile Communication Co.Ltd.
12479 6785 6640 UNI2-AS, ES
7545 5821 5146 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4708 4634 ERX-CERNET-BKB China Education and Research Net
11492 4766 4026 CABLEONE, US
7155 3981 3949 VIASAT-SP-BACKBONE, US
22773 3978 3701 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3604 3584 VIETEL-AS-AP Viettel Group, VN
20940 3743 3527 AKAMAI-ASN1, NL
7713 3531 3475 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 46887 LIGHTOWER, US
18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
1782 UNALLOCATED 8.42.19.0/24 46887 LIGHTOWER, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US
15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, 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
23.177.96.0/24 Origin: 397300 UNASSIGNED
Transit: 33387 NOCIX, 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 /8:16 /9:13 /10:41 /11:102 /12:305
/13:589 /14:1193 /15:2006 /16:13443 /17:8274 /18:13999
/19:25455 /20:42472 /21:50611 /22:107035 /23:91675 /24:500556
/25:1448 /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 5723 6785 UNI2-AS, ES
11492 3723 4766 CABLEONE, US
6327 3173 3362 SHAW, CA
8151 3168 8665 Uninet S.A. de C.V., MX
7155 3069 3981 VIASAT-SP-BACKBONE, US
22773 2972 3978 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2803 3267 ALJAWWALSTC-AS, SA
8551 2408 2942 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2225 2574 MEDIACOM-ENTERPRISE-BUSINESS, US
11830 1934 2507 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1908 2:1111 3:141 4:20 5:3595 6:82
7:5 8:1542 9:1 11:164 12:1741 13:372
14:2283 15:99 16:20 17:334 18:105 20:124
21:1 22:188 23:4965 24:2422 25:2 27:2509
29:19 31:2321 32:116 34:1 35:47 36:1600
37:3807 38:2190 39:619 40:186 41:3776 42:969
43:2071 44:271 45:15382 46:3662 47:348 48:7
49:1618 50:1806 51:101 52:1247 54:251 55:624
56:4 57:53 58:1756 59:1202 60:933 61:2339
62:2309 63:1966 64:5372 65:2363 66:5016 67:2873
68:1168 69:4096 70:1366 71:677 72:3143 74:2611
75:1492 76:697 77:2021 78:1662 79:2275 80:1876
81:1547 82:1366 83:1138 84:1287 85:2739 86:711
87:1817 88:969 89:2987 90:511 91:7386 92:1814
93:2534 94:3110 95:3509 96:1290 97:344 98:979
99:963 100:77 101:1029 102:1587 103:26678 104:3940
105:431 106:808 107:2322 108:728 109:3876 110:2032
111:3149 112:1927 113:1424 114:1470 115:1894 116:1885
117:2353 118:2329 119:1907 120:1461 121:1058 122:2518
123:2155 124:1597 125:2069 128:1318 129:1314 130:894
131:2007 132:753 133:364 134:1657 135:301 136:793
137:944 138:2396 139:1204 140:792 141:1204 142:1224
143:1342 144:1258 145:323 146:1501 147:1370 148:2144
149:1491 150:820 151:1069 152:1632 153:423 154:3000
155:1340 156:1701 157:1223 158:967 159:2014 160:2323
161:1215 162:3386 163:1020 164:1546 165:1405 166:608
167:1782 168:3662 169:702 170:4368 171:801 172:2613
173:2961 174:1021 175:1086 176:3211 177:4394 178:2958
179:1864 180:2251 181:2618 182:3216 183:2010 184:2421
185:18686 186:4236 187:3172 188:3330 189:2917 190:8721
191:1363 192:10737 193:8300 194:6725 195:4820 196:2900
197:2139 198:6042 199:5992 200:7380 201:5219 202:10556
203:10061 204:4605 205:3371 206:3716 207:3340 208:4035
209:4704 210:4189 211:2340 212:3726 213:3462 214:1186
215:55 216:6339 217:2578 218:1208 219:681 220:1971
221:953 222:861 223:1967
End of report
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