[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Mar 22 18:02:19 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 23 Mar, 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: 940133
Prefixes after maximum aggregation (per Origin AS): 359192
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 458582
Total ASes present in the Internet Routing Table: 75531
Prefixes per ASN: 12.45
Origin-only ASes present in the Internet Routing Table: 64777
Origin ASes announcing only one prefix: 26587
Transit ASes present in the Internet Routing Table: 10754
Transit-only ASes present in the Internet Routing Table: 492
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1062
Number of instances of unregistered ASNs: 1064
Number of 32-bit ASNs allocated by the RIRs: 43892
Number of 32-bit ASNs visible in the Routing Table: 36072
Prefixes from 32-bit ASNs in the Routing Table: 183349
Number of bogon 32-bit ASNs visible in the Routing Table: 19
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 593
Number of addresses announced to Internet: 3028765568
Equivalent to 180 /8s, 135 /16s and 75 /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: 310128
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 249324
Total APNIC prefixes after maximum aggregation: 73160
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 241895
Unique aggregates announced from the APNIC address blocks: 100148
APNIC Region origin ASes present in the Internet Routing Table: 14062
APNIC Prefixes per ASN: 17.20
APNIC Region origin ASes announcing only one prefix: 4250
APNIC Region transit ASes present in the Internet Routing Table: 1881
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9436
Number of APNIC addresses announced to Internet: 760850304
Equivalent to 45 /8s, 89 /16s and 167 /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: 274554
Total ARIN prefixes after maximum aggregation: 124106
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 279363
Unique aggregates announced from the ARIN address blocks: 132698
ARIN Region origin ASes present in the Internet Routing Table: 19123
ARIN Prefixes per ASN: 14.61
ARIN Region origin ASes announcing only one prefix: 6963
ARIN Region transit ASes present in the Internet Routing Table: 1983
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: 4868
Number of ARIN addresses announced to Internet: 1269832448
Equivalent to 75 /8s, 176 /16s and 27 /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: 263560
Total RIPE prefixes after maximum aggregation: 126198
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 258582
Unique aggregates announced from the RIPE address blocks: 162667
RIPE Region origin ASes present in the Internet Routing Table: 28562
RIPE Prefixes per ASN: 9.05
RIPE Region origin ASes announcing only one prefix: 12098
RIPE Region transit ASes present in the Internet Routing Table: 3974
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 39
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11666
Number of RIPE addresses announced to Internet: 714792704
Equivalent to 42 /8s, 154 /16s and 223 /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: 121039
Total LACNIC prefixes after maximum aggregation: 28895
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 119402
Unique aggregates announced from the LACNIC address blocks: 49606
LACNIC Region origin ASes present in the Internet Routing Table: 11061
LACNIC Prefixes per ASN: 10.79
LACNIC Region origin ASes announcing only one prefix: 2624
LACNIC Region transit ASes present in the Internet Routing Table: 2377
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: 8918
Number of LACNIC addresses announced to Internet: 177260032
Equivalent to 10 /8s, 144 /16s and 198 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 30594
Total AfriNIC prefixes after maximum aggregation: 6127
AfriNIC Deaggregation factor: 4.99
Prefixes being announced from the AfriNIC address blocks: 40298
Unique aggregates announced from the AfriNIC address blocks: 12989
AfriNIC Region origin ASes present in the Internet Routing Table: 1819
AfriNIC Prefixes per ASN: 22.15
AfriNIC Region origin ASes announcing only one prefix: 652
AfriNIC Region transit ASes present in the Internet Routing Table: 358
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1184
Number of AfriNIC addresses announced to Internet: 105718272
Equivalent to 6 /8s, 77 /16s and 34 /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 9860 8742 66 CHINAMOBILE-CN China Mobile Communicati
7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4932 4192 76 ERX-CERNET-BKB China Education and Rese
7552 3859 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3594 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 3523 495 253 BBIL-AP BHARTI Airtel Ltd., IN
45899 3320 1870 95 VNPT-AS-VN VNPT Corp, VN
24560 2764 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2309 11259 573 KIXS-AS-KR Korea Telecom, KR
4755 2192 434 194 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 9723 11352 3409 AMAZON-02, US
11492 4593 305 622 CABLEONE, US
7155 4181 288 96 VIASAT-SP-BACKBONE, US
22773 3608 3063 301 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3603 1320 75 SHAW, CA
174 3386 6652 699 COGENT-174, US
749 3191 54916 2443 DNIC-AS-00749, US
16625 3174 1365 2266 AKAMAI-AS, US
367 2924 3631 1389 DNIC-ASBLK-00306-00371, US
396982 2762 3641 411 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 7701 1714 147 UNI2-AS, ES
39891 4758 286 60 ALJAWWALSTC-AS, SA
20940 3873 3396 128 AKAMAI-ASN1, NL
9009 3263 283 1597 M247, RO
12389 2977 2303 903 ROSTELECOM-AS, RU
8551 2646 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2341 363 589 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
8452 1524 1852 14 TE-AS TE-AS, EG
44477 1496 98 708 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 12363 3320 489 UNINET, MX
10620 3526 497 892 Telmex Colombia S.A., CO
13999 2514 342 658 Mega Cable, S.A. de C.V., MX
11830 2000 369 64 Instituto Costarricense de Electricidad
28573 1344 2319 241 Claro NXT Telecomunicacoes Ltda, BR
3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1204 348 492 Axtel, S.A.B. de C.V., MX
11664 1142 179 431 Techtel LMDS Comunicaciones Interactiva
6147 1089 369 22 Telefonica del Peru S.A.A., PE
26615 1071 2503 53 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 1522 505 26 RAYA-AS, EG
24863 1504 389 20 LINKdotNET-AS, EG
36992 1368 1519 281 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1203 76 60 ORANGE-COTE-IVOIRE, CI
36935 836 521 42 Vodafone-, EG
6713 554 1861 34 IAM-AS, MA
15399 529 56 54 WANANCHI-, KE
36914 490 82 3 KENET-AS, KE
24757 428 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 12363 3320 489 UNINET, MX
9808 9860 8742 66 CHINAMOBILE-CN China Mobile Communicati
16509 9723 11352 3409 AMAZON-02, US
12479 7701 1714 147 UNI2-AS, ES
7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4932 4192 76 ERX-CERNET-BKB China Education and Rese
39891 4758 286 60 ALJAWWALSTC-AS, SA
11492 4593 305 622 CABLEONE, US
7155 4181 288 96 VIASAT-SP-BACKBONE, US
20940 3873 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 9860 9794 CHINAMOBILE-CN China Mobile Communications Grou
12479 7701 7554 UNI2-AS, ES
16509 9723 6314 AMAZON-02, US
7545 5655 4981 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4932 4856 ERX-CERNET-BKB China Education and Research Net
39891 4758 4698 ALJAWWALSTC-AS, SA
7155 4181 4085 VIASAT-SP-BACKBONE, US
11492 4593 3971 CABLEONE, US
7552 3859 3839 VIETEL-AS-AP Viettel Group, VN
20940 3873 3745 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
23.176.160.0/24 Origin: 397327 RESERVED, ZZ
23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US
27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK 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: 6939 HURRICANE, US
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 /12:298
/13:582 /14:1192 /15:2066 /16:13285 /17:8243 /18:13750
/19:24867 /20:44061 /21:51575 /22:111016 /23:98421 /24:569884
/25:731 /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 6815 7701 UNI2-AS, ES
8151 6382 12363 UNINET, MX
11492 3506 4593 CABLEONE, US
39891 3440 4758 ALJAWWALSTC-AS, SA
6327 3400 3603 SHAW, CA
7155 3125 4181 VIASAT-SP-BACKBONE, US
22773 2645 3608 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2148 2491 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2132 3526 Telmex Colombia S.A., CO
8551 2122 2646 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)
----------------------------------------------
1:1641 2:1476 3:316 4:6 5:4516 6:162
7:6 8:1525 9:1 11:172 12:1467 13:379
14:2405 15:318 16:210 17:370 18:750 20:355
21:4 22:188 23:6631 24:2711 25:2 27:2569
29:19 31:2625 32:49 34:60 35:126 36:2228
37:4495 38:7103 39:894 40:125 41:4083 42:983
43:2353 44:312 45:16925 46:4390 47:297 49:1944
50:1902 51:573 52:1578 54:308 55:973 56:5
57:159 58:1878 59:1185 60:1025 61:2587 62:2694
63:1908 64:5527 65:2318 66:4723 67:3065 68:1334
69:4078 70:1198 71:574 72:2894 74:2588 75:1550
76:628 77:2420 78:1844 79:2471 80:2160 81:1939
82:1511 83:1287 84:1651 85:3076 86:826 87:2265
88:1241 89:4042 90:686 91:8030 92:2191 93:2647
94:3655 95:4147 96:1303 97:312 98:1045 99:743
100:92 101:1179 102:3064 103:32557 104:4797 105:631
106:941 107:2758 108:1133 109:4077 110:2141 111:3255
112:2069 113:1560 114:1789 115:1999 116:1891 117:2616
118:2379 119:1959 120:1814 121:1334 122:2698 123:2225
124:1622 125:2877 126:32 128:1474 129:942 130:1089
131:1821 132:806 133:410 134:1721 135:314 136:944
137:1054 138:2802 139:1565 140:1381 141:1361 142:1580
143:1488 144:1013 145:345 146:2025 147:1717 148:2492
149:2583 150:1034 151:1339 152:1981 153:523 154:5906
155:1377 156:2232 157:1628 158:1078 159:2264 160:2604
161:1638 162:3598 163:1723 164:1629 165:2124 166:1071
167:1767 168:3937 169:790 170:4713 171:1024 172:3826
173:3042 174:908 175:1199 176:3677 177:4510 178:3582
179:2239 180:2362 181:3668 182:3410 183:1805 184:2267
185:20637 186:4894 187:4451 188:4044 189:4075 190:9325
191:1467 192:11002 193:9051 194:7459 195:5260 196:3162
197:2391 198:6017 199:7531 200:8007 201:6330 202:10514
203:10167 204:4572 205:3761 206:4497 207:3488 208:4138
209:5045 210:4661 211:2578 212:4293 213:3377 214:1088
215:50 216:6772 217:2815 218:1361 219:581 220:2053
221:1030 222:876 223:2238
End of report
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