[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Apr 12 18:02:15 UTC 2024
This is an automated weekly mailing describing the state of the Global
IPv4 Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
UKNOF, 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 https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 13 Apr, 2024
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 943717
Prefixes after maximum aggregation (per Origin AS): 360569
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 460113
Total ASes present in the Internet Routing Table: 75646
Prefixes per ASN: 12.48
Origin-only ASes present in the Internet Routing Table: 64860
Origin ASes announcing only one prefix: 26582
Transit ASes present in the Internet Routing Table: 10786
Transit-only ASes present in the Internet Routing Table: 513
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 121
Max AS path prepend of ASN (150315) 116
Prefixes from unregistered ASNs in the Routing Table: 1084
Number of instances of unregistered ASNs: 1086
Number of 32-bit ASNs allocated by the RIRs: 44105
Number of 32-bit ASNs visible in the Routing Table: 36196
Prefixes from 32-bit ASNs in the Routing Table: 184594
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: 604
Number of addresses announced to Internet: 3028380800
Equivalent to 180 /8s, 129 /16s and 108 /24s
Percentage of available address space announced: 81.8
Percentage of allocated address space announced: 81.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 311335
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 249982
Total APNIC prefixes after maximum aggregation: 73481
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 242376
Unique aggregates announced from the APNIC address blocks: 100311
APNIC Region origin ASes present in the Internet Routing Table: 14075
APNIC Prefixes per ASN: 17.22
APNIC Region origin ASes announcing only one prefix: 4257
APNIC Region transit ASes present in the Internet Routing Table: 1877
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 121
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9459
Number of APNIC addresses announced to Internet: 760672896
Equivalent to 45 /8s, 86 /16s and 242 /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, 131072-153913
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: 275234
Total ARIN prefixes after maximum aggregation: 124610
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 279979
Unique aggregates announced from the ARIN address blocks: 133368
ARIN Region origin ASes present in the Internet Routing Table: 19127
ARIN Prefixes per ASN: 14.64
ARIN Region origin ASes announcing only one prefix: 6955
ARIN Region transit ASes present in the Internet Routing Table: 1986
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4876
Number of ARIN addresses announced to Internet: 1269427712
Equivalent to 75 /8s, 169 /16s and 238 /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, 393216-402332
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: 264820
Total RIPE prefixes after maximum aggregation: 126714
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 259545
Unique aggregates announced from the RIPE address blocks: 163305
RIPE Region origin ASes present in the Internet Routing Table: 28619
RIPE Prefixes per ASN: 9.07
RIPE Region origin ASes announcing only one prefix: 12135
RIPE Region transit ASes present in the Internet Routing Table: 3977
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11733
Number of RIPE addresses announced to Internet: 714778880
Equivalent to 42 /8s, 154 /16s and 169 /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
196608-216475
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: 121743
Total LACNIC prefixes after maximum aggregation: 28914
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 120013
Unique aggregates announced from the LACNIC address blocks: 49529
LACNIC Region origin ASes present in the Internet Routing Table: 11077
LACNIC Prefixes per ASN: 10.83
LACNIC Region origin ASes announcing only one prefix: 2590
LACNIC Region transit ASes present in the Internet Routing Table: 2393
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8943
Number of LACNIC addresses announced to Internet: 177216256
Equivalent to 10 /8s, 144 /16s and 27 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 30854
Total AfriNIC prefixes after maximum aggregation: 6141
AfriNIC Deaggregation factor: 5.02
Prefixes being announced from the AfriNIC address blocks: 41200
Unique aggregates announced from the AfriNIC address blocks: 13120
AfriNIC Region origin ASes present in the Internet Routing Table: 1818
AfriNIC Prefixes per ASN: 22.66
AfriNIC Region origin ASes announcing only one prefix: 645
AfriNIC Region transit ASes present in the Internet Routing Table: 353
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1185
Number of AfriNIC addresses announced to Internet: 105965312
Equivalent to 6 /8s, 80 /16s and 231 /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 9850 8743 68 CHINAMOBILE-CN China Mobile Communicati
7545 5661 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4936 4192 76 ERX-CERNET-BKB China Education and Rese
7552 3862 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3623 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 3579 498 257 BBIL-AP BHARTI Airtel Ltd., IN
45899 3289 1872 98 VNPT-AS-VN VNPT Corp, VN
24560 2774 861 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2308 11258 584 KIXS-AS-KR Korea Telecom, KR
4755 2200 434 196 TATACOMM-AS TATA Communications formerl
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 9868 11373 3449 AMAZON-02, US
11492 4602 305 605 CABLEONE, US
7155 4170 287 90 VIASAT-SP-BACKBONE, US
6327 3605 1320 75 SHAW, CA
22773 3526 3048 241 ASN-CXA-ALL-CCI-22773-RDC, US
174 3335 6632 829 COGENT-174, US
749 3201 54912 2453 DNIC-AS-00749, US
16625 3120 1331 2228 AKAMAI-AS, US
367 2820 3549 1342 DNIC-ASBLK-00306-00371, US
396982 2763 3641 413 GOOGLE-CLOUD-PLATFORM, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 7711 1709 144 UNI2-AS, ES
39891 4758 286 60 ALJAWWALSTC-AS, SA
20940 3872 3396 128 AKAMAI-ASN1, NL
9009 3277 284 1600 M247, RO
12389 2978 2303 901 ROSTELECOM-AS, RU
8551 2635 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2349 364 583 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
8452 1529 1852 14 TE-AS TE-AS, EG
44477 1529 100 726 STARK-INDUSTRIES, GB
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12400 3321 487 UNINET, MX
10620 3532 497 886 Telmex Colombia S.A., CO
13999 2515 346 666 Mega Cable, S.A. de C.V., MX
11830 2004 369 64 Instituto Costarricense de Electricidad
28573 1341 2315 247 Claro NXT Telecomunicacoes Ltda, BR
3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1152 177 428 Techtel LMDS Comunicaciones Interactiva
6503 1137 346 478 Axtel, S.A.B. de C.V., MX
6147 1081 369 22 Telefonica del Peru S.A.A., PE
26615 1067 2503 52 TIM SA, BR
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1549 545 28 RAYA-AS, EG
24863 1502 389 20 LINKdotNET-AS, EG
36992 1367 1519 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1158 75 78 ORANGE-COTE-IVOIRE, CI
36935 935 521 42 Vodafone-, EG
6713 554 1861 34 IAM-AS, MA
15399 529 56 54 WANANCHI-, KE
36914 485 82 3 KENET-AS, KE
24757 436 73 5 EthioNet-AS, ET
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12400 3321 487 UNINET, MX
16509 9868 11373 3449 AMAZON-02, US
9808 9850 8743 68 CHINAMOBILE-CN China Mobile Communicati
12479 7711 1709 144 UNI2-AS, ES
7545 5661 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4936 4192 76 ERX-CERNET-BKB China Education and Rese
39891 4758 286 60 ALJAWWALSTC-AS, SA
11492 4602 305 605 CABLEONE, US
7155 4170 287 90 VIASAT-SP-BACKBONE, US
20940 3872 3396 128 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9850 9782 CHINAMOBILE-CN China Mobile Communications Grou
12479 7711 7567 UNI2-AS, ES
16509 9868 6419 AMAZON-02, US
7545 5661 4984 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4936 4860 ERX-CERNET-BKB China Education and Research Net
39891 4758 4698 ALJAWWALSTC-AS, SA
7155 4170 4080 VIASAT-SP-BACKBONE, US
11492 4602 3997 CABLEONE, US
7552 3862 3842 VIETEL-AS-AP Viettel Group, VN
20940 3872 3744 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65536 DOCUMENT 5.102.30.0/24 65512 -Private Use AS-, ZZ
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.189.192.0/24 Origin: 27593 RESERVED, ZZ
23.189.192.0/24 Transit: 174 COGENT-174, US
27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK
27.0.192.0/22 Transit: 51847 NEAROUTE, HK
27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR
Complete listing at https://thyme.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 /9:14 /10:37 /11:95 /12:297
/13:583 /14:1195 /15:2071 /16:13298 /17:8257 /18:13749
/19:24852 /20:43928 /21:51662 /22:111187 /23:98695 /24:573058
/25:723 /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 6830 7711 UNI2-AS, ES
8151 6423 12400 UNINET, MX
11492 3515 4602 CABLEONE, US
39891 3440 4758 ALJAWWALSTC-AS, SA
6327 3402 3605 SHAW, CA
7155 3114 4170 VIASAT-SP-BACKBONE, US
22773 2614 3526 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2148 2494 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2138 3532 Telmex Colombia S.A., CO
8551 2111 2635 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1643 2:1499 3:322 4:6 5:4532 6:161
7:6 8:1516 9:1 11:172 12:1463 13:379
14:2398 15:318 16:209 17:369 18:758 20:358
21:4 22:188 23:6683 24:2714 25:2 27:2559
29:19 31:2691 32:48 34:61 35:127 36:2280
37:4469 38:7190 39:891 40:123 41:4074 42:981
43:2369 44:318 45:17083 46:4427 47:306 49:1946
50:1925 51:573 52:1586 54:313 55:998 56:5
57:166 58:1893 59:1247 60:1033 61:2587 62:2690
63:1894 64:5531 65:2317 66:4680 67:3002 68:1316
69:4097 70:1194 71:577 72:2904 74:2595 75:1549
76:630 77:2430 78:1849 79:2490 80:2184 81:1957
82:1553 83:1317 84:1652 85:3138 86:841 87:2265
88:1244 89:4053 90:677 91:8099 92:2211 93:2666
94:3672 95:4134 96:1295 97:315 98:1042 99:743
100:79 101:1184 102:3116 103:32528 104:4855 105:636
106:942 107:2757 108:1124 109:4084 110:2137 111:3280
112:2075 113:1592 114:1792 115:2031 116:1891 117:2621
118:2380 119:1965 120:1811 121:1327 122:2680 123:2229
124:1621 125:2884 126:32 128:1489 129:937 130:1114
131:1858 132:804 133:410 134:1717 135:318 136:942
137:1061 138:2843 139:1553 140:1393 141:1365 142:1587
143:1486 144:1010 145:349 146:2061 147:1842 148:2460
149:2562 150:1030 151:1342 152:2012 153:523 154:6478
155:1446 156:2313 157:1698 158:1114 159:2325 160:2627
161:1620 162:3580 163:1719 164:1637 165:2133 166:1172
167:1802 168:3943 169:797 170:4779 171:1019 172:3821
173:3038 174:908 175:1203 176:3630 177:4697 178:3583
179:2263 180:2354 181:3687 182:3429 183:1804 184:2273
185:20715 186:4996 187:4541 188:4046 189:4165 190:9322
191:1491 192:10947 193:9070 194:7484 195:5275 196:3123
197:2475 198:6029 199:7620 200:8058 201:6315 202:10477
203:10187 204:4568 205:3741 206:4490 207:3495 208:4155
209:5067 210:4653 211:2580 212:4294 213:3417 214:1082
215:50 216:6771 217:2816 218:1362 219:580 220:2044
221:1033 222:880 223:2239
End of report
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