[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 2 18:02:42 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 03 Jul, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 856005
Prefixes after maximum aggregation (per Origin AS): 323522
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 411204
Total ASes present in the Internet Routing Table: 71531
Prefixes per ASN: 11.97
Origin-only ASes present in the Internet Routing Table: 61536
Origin ASes announcing only one prefix: 25393
Transit ASes present in the Internet Routing Table: 9995
Transit-only ASes present in the Internet Routing Table: 317
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 55
Max AS path prepend of ASN ( 48366) 51
Prefixes from unregistered ASNs in the Routing Table: 1102
Number of instances of unregistered ASNs: 1108
Number of 32-bit ASNs allocated by the RIRs: 36518
Number of 32-bit ASNs visible in the Routing Table: 30342
Prefixes from 32-bit ASNs in the Routing Table: 141342
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: 523
Number of addresses announced to Internet: 3039747968
Equivalent to 181 /8s, 46 /16s and 223 /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: 284965
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 229856
Total APNIC prefixes after maximum aggregation: 65794
APNIC Deaggregation factor: 3.49
Prefixes being announced from the APNIC address blocks: 225679
Unique aggregates announced from the APNIC address blocks: 90541
APNIC Region origin ASes present in the Internet Routing Table: 11696
APNIC Prefixes per ASN: 19.30
APNIC Region origin ASes announcing only one prefix: 3326
APNIC Region transit ASes present in the Internet Routing Table: 1662
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: 6863
Number of APNIC addresses announced to Internet: 773655296
Equivalent to 46 /8s, 29 /16s and 11 /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: 249828
Total ARIN prefixes after maximum aggregation: 114073
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 249616
Unique aggregates announced from the ARIN address blocks: 118884
ARIN Region origin ASes present in the Internet Routing Table: 18850
ARIN Prefixes per ASN: 13.24
ARIN Region origin ASes announcing only one prefix: 6846
ARIN Region transit ASes present in the Internet Routing Table: 1951
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: 3957
Number of ARIN addresses announced to Internet: 1271415808
Equivalent to 75 /8s, 200 /16s and 68 /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: 238484
Total RIPE prefixes after maximum aggregation: 111317
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 234773
Unique aggregates announced from the RIPE address blocks: 143266
RIPE Region origin ASes present in the Internet Routing Table: 27987
RIPE Prefixes per ASN: 8.39
RIPE Region origin ASes announcing only one prefix: 12025
RIPE Region transit ASes present in the Internet Routing Table: 3880
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 55
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10266
Number of RIPE addresses announced to Internet: 710663808
Equivalent to 42 /8s, 91 /16s and 222 /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: 111004
Total LACNIC prefixes after maximum aggregation: 26527
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 112175
Unique aggregates announced from the LACNIC address blocks: 47186
LACNIC Region origin ASes present in the Internet Routing Table: 10782
LACNIC Prefixes per ASN: 10.40
LACNIC Region origin ASes announcing only one prefix: 2684
LACNIC Region transit ASes present in the Internet Routing Table: 2042
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: 8426
Number of LACNIC addresses announced to Internet: 176055808
Equivalent to 10 /8s, 126 /16s and 102 /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: 25730
Total AfriNIC prefixes after maximum aggregation: 5075
AfriNIC Deaggregation factor: 5.07
Prefixes being announced from the AfriNIC address blocks: 33239
Unique aggregates announced from the AfriNIC address blocks: 10858
AfriNIC Region origin ASes present in the Internet Routing Table: 1487
AfriNIC Prefixes per ASN: 22.35
AfriNIC Region origin ASes announcing only one prefix: 512
AfriNIC Region transit ASes present in the Internet Routing Table: 299
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 830
Number of AfriNIC addresses announced to Internet: 107524096
Equivalent to 6 /8s, 104 /16s and 176 /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 7571 9000 58 CMNET-GD Guangdong Mobile Communication
7545 5730 783 679 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4766 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3560 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3529 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 2800 1897 55 VNPT-AS-VN VNPT Corp, VN
4766 2429 11120 567 KIXS-AS-KR Korea Telecom, KR
9498 2356 483 245 BBIL-AP BHARTI Airtel Ltd., IN
45090 2114 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C
4755 2113 437 190 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 5203 9528 2314 AMAZON-02, US
11492 4792 316 669 CABLEONE, US
7155 4027 264 32 VIASAT-SP-BACKBONE, US
22773 3974 3029 266 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3499 1809 2436 AKAMAI-AS, US
6327 3360 1317 69 SHAW, CA
30036 2581 373 129 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2536 5035 476 CENTURYLINK-US-LEGACY-QWEST, US
5972 2251 451 786 DNIC-ASBLK-05800-06055, US
20115 2168 2930 492 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 6722 1721 140 UNI2-AS, ES
20940 3660 3347 205 AKAMAI-ASN1, NL
39891 3267 187 22 ALJAWWALSTC-AS, SA
8551 2996 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2884 2283 895 ROSTELECOM-AS, RU
9009 2451 259 1308 M247, GB
34984 2218 357 595 TELLCOM-AS, TR
61317 1622 257 824 ASDETUK www.heficed.com, GB
13188 1610 100 27 TRIOLAN, UA
58224 1603 887 557 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 8536 3443 592 Uninet S.A. de C.V., MX
10620 3407 525 651 Telmex Colombia S.A., CO
11830 2509 369 62 Instituto Costarricense de Electricidad
13999 1771 433 462 Mega Cable, S.A. de C.V., MX
6503 1451 359 478 Axtel, S.A.B. de C.V., MX
28573 1425 2284 234 CLARO S.A., BR
3816 1239 650 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1114 374 31 Telefonica del Peru S.A.A., PE
26615 1065 2351 134 TIM SA, BR
11664 991 199 444 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 1650 393 22 LINKdotNET-AS, EG
24835 1456 498 30 RAYA-AS, EG
36992 1303 1489 266 ETISALAT-MISR, EG
36903 1183 537 110 MT-MPLS, MA
29571 711 68 11 ORANGE-COTE-IVOIRE, CI
6713 612 1863 34 IAM-AS, MA
36935 532 522 40 Vodafone-, EG
15399 493 49 25 WANANCHI-, KE
37342 482 32 1 MOVITEL, MZ
2018 324 319 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 8536 3443 592 Uninet S.A. de C.V., MX
9808 7571 9000 58 CMNET-GD Guangdong Mobile Communication
12479 6722 1721 140 UNI2-AS, ES
7545 5730 783 679 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 5203 9528 2314 AMAZON-02, US
11492 4792 316 669 CABLEONE, US
4538 4766 4192 74 ERX-CERNET-BKB China Education and Rese
7155 4027 264 32 VIASAT-SP-BACKBONE, US
22773 3974 3029 266 ASN-CXA-ALL-CCI-22773-RDC, US
20940 3660 3347 205 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 7571 7513 CMNET-GD Guangdong Mobile Communication Co.Ltd.
12479 6722 6582 UNI2-AS, ES
7545 5730 5051 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4766 4692 ERX-CERNET-BKB China Education and Research Net
11492 4792 4123 CABLEONE, US
7155 4027 3995 VIASAT-SP-BACKBONE, US
22773 3974 3708 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3560 3540 VIETEL-AS-AP Viettel Group, VN
7713 3529 3473 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
20940 3660 3455 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
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
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
3577 UNALLOCATED 12.19.197.0/24 209 CENTURYLINK-US-LEGACY-QWEST,
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: 209319 IPV6ROUTING, US
Transit: 46573 LAYER-HOST, US
23.162.32.0/24 Origin: 32444 SAFELINK-MV, US
Transit: 6939 HURRICANE, US
23.183.16.0/24 Origin: 33385 MEPEEPS, US
Transit: 6939 HURRICANE, 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 /8:17 /9:14 /10:41 /11:102 /12:305
/13:589 /14:1193 /15:1994 /16:13471 /17:8331 /18:13969
/19:25432 /20:42341 /21:50322 /22:106878 /23:91427 /24:498180
/25:1399 /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 5680 6722 UNI2-AS, ES
11492 3806 4792 CABLEONE, US
6327 3167 3360 SHAW, CA
7155 3115 4027 VIASAT-SP-BACKBONE, US
8151 3058 8536 Uninet S.A. de C.V., MX
22773 2965 3974 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2803 3267 ALJAWWALSTC-AS, SA
8551 2461 2996 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2247 2581 MEDIACOM-ENTERPRISE-BUSINESS, US
11830 1933 2509 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)
----------------------------------------------
1:1891 2:1146 3:142 4:19 5:3556 6:79
7:5 8:1538 9:1 11:164 12:1740 13:365
14:2290 15:87 16:17 17:324 18:93 20:122
21:1 22:188 23:4813 24:2435 25:2 27:2499
29:19 31:2279 32:110 34:1 35:46 36:1586
37:3764 38:2164 39:624 40:164 41:3723 42:977
43:2085 44:262 45:15142 46:3685 47:351 49:1612
50:1805 51:101 52:1235 54:218 55:783 56:9
57:52 58:1739 59:1201 60:926 61:2335 62:2325
63:1966 64:5382 65:2369 66:5064 67:2895 68:1172
69:4064 70:1383 71:681 72:3148 74:2592 75:1490
76:698 77:2038 78:1709 79:2321 80:1852 81:1516
82:1364 83:1147 84:1256 85:2711 86:703 87:1816
88:967 89:3018 90:492 91:7355 92:1786 93:2561
94:3112 95:3525 96:1296 97:343 98:974 99:969
100:93 101:1021 102:1507 103:26297 104:3816 105:441
106:795 107:2244 108:727 109:3863 110:2002 111:3149
112:1914 113:1514 114:1454 115:1908 116:1908 117:2358
118:2386 119:1895 120:1448 121:1071 122:2529 123:2168
124:1589 125:2077 128:1307 129:1290 130:876 131:2037
132:752 133:360 134:1625 135:298 136:777 137:933
138:2403 139:1212 140:761 141:1188 142:1203 143:1322
144:1257 145:326 146:1473 147:1353 148:2190 149:1457
150:817 151:1076 152:1542 153:417 154:2670 155:1328
156:1603 157:1199 158:922 159:2016 160:2312 161:1176
162:3339 163:1012 164:1522 165:1413 166:615 167:1773
168:3680 169:696 170:4357 171:787 172:2483 173:2976
174:988 175:1073 176:3165 177:4383 178:2926 179:1909
180:2270 181:2619 182:3207 183:2084 184:2416 185:18439
186:4064 187:3084 188:3331 189:2879 190:8891 191:1415
192:10713 193:8236 194:6703 195:4803 196:2883 197:2141
198:6047 199:6023 200:7403 201:5225 202:10564 203:10101
204:4655 205:3326 206:3592 207:3429 208:4022 209:4713
210:4259 211:2311 212:3712 213:3463 214:1178 215:58
216:6290 217:2565 218:1198 219:708 220:2065 221:952
222:866 223:1953
End of report
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