[cmNOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jun 14 18:02:24 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 15 Jun, 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: 953491
Prefixes after maximum aggregation (per Origin AS): 362907
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 465156
Total ASes present in the Internet Routing Table: 75909
Prefixes per ASN: 12.56
Origin-only ASes present in the Internet Routing Table: 65040
Origin ASes announcing only one prefix: 26746
Transit ASes present in the Internet Routing Table: 10869
Transit-only ASes present in the Internet Routing Table: 546
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 60
Max AS path prepend of ASN ( 53153) 57
Prefixes from unregistered ASNs in the Routing Table: 1016
Number of instances of unregistered ASNs: 1045
Number of 32-bit ASNs allocated by the RIRs: 44755
Number of 32-bit ASNs visible in the Routing Table: 36571
Prefixes from 32-bit ASNs in the Routing Table: 187976
Number of bogon 32-bit ASNs visible in the Routing Table: 70
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 643
Number of addresses announced to Internet: 3024662656
Equivalent to 180 /8s, 72 /16s and 176 /24s
Percentage of available address space announced: 81.7
Percentage of allocated address space announced: 81.7
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: 312744
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255143
Total APNIC prefixes after maximum aggregation: 74266
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 247264
Unique aggregates announced from the APNIC address blocks: 101142
APNIC Region origin ASes present in the Internet Routing Table: 14209
APNIC Prefixes per ASN: 17.40
APNIC Region origin ASes announcing only one prefix: 4332
APNIC Region transit ASes present in the Internet Routing Table: 1913
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 55
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9603
Number of APNIC addresses announced to Internet: 761490560
Equivalent to 45 /8s, 99 /16s and 108 /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: 277321
Total ARIN prefixes after maximum aggregation: 125440
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 281848
Unique aggregates announced from the ARIN address blocks: 134801
ARIN Region origin ASes present in the Internet Routing Table: 19130
ARIN Prefixes per ASN: 14.73
ARIN Region origin ASes announcing only one prefix: 6946
ARIN Region transit ASes present in the Internet Routing Table: 1988
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4921
Number of ARIN addresses announced to Internet: 1266942208
Equivalent to 75 /8s, 132 /16s and 1 /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: 266162
Total RIPE prefixes after maximum aggregation: 127508
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 260979
Unique aggregates announced from the RIPE address blocks: 164826
RIPE Region origin ASes present in the Internet Routing Table: 28683
RIPE Prefixes per ASN: 9.10
RIPE Region origin ASes announcing only one prefix: 12153
RIPE Region transit ASes present in the Internet Routing Table: 3988
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 41
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11850
Number of RIPE addresses announced to Internet: 713387520
Equivalent to 42 /8s, 133 /16s and 110 /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: 122239
Total LACNIC prefixes after maximum aggregation: 28812
LACNIC Deaggregation factor: 4.24
Prefixes being announced from the LACNIC address blocks: 120343
Unique aggregates announced from the LACNIC address blocks: 50302
LACNIC Region origin ASes present in the Internet Routing Table: 11103
LACNIC Prefixes per ASN: 10.84
LACNIC Region origin ASes announcing only one prefix: 2655
LACNIC Region transit ASes present in the Internet Routing Table: 2415
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 60
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8992
Number of LACNIC addresses announced to Internet: 176753408
Equivalent to 10 /8s, 137 /16s and 11 /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: 31610
Total AfriNIC prefixes after maximum aggregation: 6204
AfriNIC Deaggregation factor: 5.10
Prefixes being announced from the AfriNIC address blocks: 42414
Unique aggregates announced from the AfriNIC address blocks: 13609
AfriNIC Region origin ASes present in the Internet Routing Table: 1840
AfriNIC Prefixes per ASN: 23.05
AfriNIC Region origin ASes announcing only one prefix: 660
AfriNIC Region transit ASes present in the Internet Routing Table: 357
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1205
Number of AfriNIC addresses announced to Internet: 105698304
Equivalent to 6 /8s, 76 /16s and 212 /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 9843 8744 74 CHINAMOBILE-CN China Mobile Communicati
7545 5642 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4931 4192 74 ERX-CERNET-BKB China Education and Rese
18403 4178 347 23 UNASSIGNED
7552 3945 1331 21 UNASSIGNED
9498 3779 510 262 BBIL-AP BHARTI Airtel Ltd., IN
7713 3593 1043 63 UNASSIGNED
45899 3280 1857 105 UNASSIGNED
24560 2823 863 400 UNASSIGNED
4766 2290 11522 578 UNASSIGNED
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 10017 11403 3586 AMAZON-02, US
11492 4639 308 550 CABLEONE, US
7155 4166 287 88 VIASAT-SP-BACKBONE, US
6327 3594 1320 79 SHAW, CA
174 3465 8782 872 COGENT-174, US
22773 3461 3038 216 ASN-CXA-ALL-CCI-22773-RDC, US
749 3251 54901 2503 UNASSIGNED
16625 3158 1335 2228 AKAMAI-AS, US
7018 2868 23667 1805 ATT-INTERNET4, US
396982 2765 3634 412 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 7731 1708 145 UNI2-AS, ES
39891 4758 286 60 ALJAWWALSTC-AS, SA
20940 3831 3396 133 AKAMAI-ASN1, NL
9009 3597 306 1818 M247, RO
12389 2988 2304 898 ROSTELECOM-AS, RU
34984 2347 361 577 TELLCOM-AS, TR
8551 1773 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
212238 1690 123 1229 CDNEXT, GB
13188 1607 100 26 TRIOLAN, UA
8452 1508 1852 14 TE-AS TE-AS, EG
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 12162 3324 501 UNINET, MX
10620 3518 492 938 Telmex Colombia S.A., CO
13999 2545 354 672 Mega Cable, S.A. de C.V., MX
11830 2003 369 64 Instituto Costarricense de Electricidad
28573 1344 2311 258 Claro NXT Telecomunicacoes Ltda, BR
3816 1323 784 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1251 278 33 Techtel LMDS Comunicaciones Interactiva
6503 1128 314 478 Axtel, S.A.B. de C.V., MX
6147 1092 369 22 Telefonica del Peru S.A.A., PE
26615 1076 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
24863 1613 389 16 LINKdotNET-AS, EG
24835 1540 593 29 RAYA-AS, EG
36992 1380 1520 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1219 77 73 ORANGE-COTE-IVOIRE, CI
36935 939 521 43 Vodafone-, EG
6713 556 1861 35 IAM-AS, MA
15399 527 56 56 WANANCHI-, KE
36914 485 82 3 KENET-AS, KE
37342 468 32 1 MOVITEL, MZ
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 12162 3324 501 UNINET, MX
16509 10017 11403 3586 AMAZON-02, US
9808 9843 8744 74 CHINAMOBILE-CN China Mobile Communicati
12479 7731 1708 145 UNI2-AS, ES
7545 5642 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4931 4192 74 ERX-CERNET-BKB China Education and Rese
39891 4758 286 60 ALJAWWALSTC-AS, SA
11492 4639 308 550 CABLEONE, US
18403 4178 347 23 UNASSIGNED
7155 4166 287 88 VIASAT-SP-BACKBONE, US
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9843 9769 CHINAMOBILE-CN China Mobile Communications Grou
12479 7731 7586 UNI2-AS, ES
16509 10017 6431 AMAZON-02, US
7545 5642 4969 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4931 4857 ERX-CERNET-BKB China Education and Research Net
39891 4758 4698 ALJAWWALSTC-AS, SA
18403 4178 4155 UNASSIGNED
11492 4639 4089 CABLEONE, US
7155 4166 4078 VIASAT-SP-BACKBONE, US
7552 3945 3924 UNASSIGNED
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
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
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, 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
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 6939 HURRICANE, US
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 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.167.48.0/24 Origin: 23379 UNASSIGNED
23.167.48.0/24 Transit: 174 COGENT-174, US
23.170.224.0/24 Origin: 30168 UNASSIGNED
23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /11:93 /12:297
/13:573 /14:1166 /15:2055 /16:13253 /17:8262 /18:13758
/19:24710 /20:44311 /21:51871 /22:111751 /23:99879 /24:580703
/25:742 /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 6819 7731 UNI2-AS, ES
8151 6218 12162 UNINET, MX
11492 3546 4639 CABLEONE, US
39891 3440 4758 ALJAWWALSTC-AS, SA
6327 3390 3594 SHAW, CA
7155 3111 4166 VIASAT-SP-BACKBONE, US
22773 2569 3461 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2163 2505 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2147 3518 Telmex Colombia S.A., CO
16509 2135 10017 AMAZON-02, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2313 2:1534 3:348 4:6 5:4564 6:160
7:6 8:1517 9:1 11:172 12:1455 13:357
14:2411 15:316 16:217 17:369 18:768 20:378
21:4 22:188 23:6852 24:2705 25:2 27:2557
29:19 31:2575 32:48 34:63 35:136 36:2303
37:4473 38:7652 39:897 40:139 41:4138 42:2036
43:2376 44:324 45:17162 46:4499 47:305 49:1974
50:1885 51:579 52:1575 54:314 55:915 56:8
57:203 58:2153 59:1255 60:1034 61:2602 62:2722
63:1884 64:5487 65:2301 66:4630 67:2992 68:1304
69:4105 70:1176 71:571 72:2878 74:2600 75:1545
76:625 77:2490 78:1864 79:1782 80:2181 81:1991
82:1626 83:1359 84:1685 85:3173 86:916 87:2303
88:1224 89:4123 90:678 91:8139 92:2316 93:2713
94:3734 95:4196 96:1278 97:316 98:1034 99:740
100:73 101:1173 102:3493 103:32398 104:4821 105:680
106:1001 107:2610 108:1150 109:4041 110:2140 111:3260
112:2060 113:1801 114:1821 115:2075 116:1900 117:2648
118:2792 119:1989 120:1802 121:1363 122:2694 123:2243
124:1623 125:2880 126:32 128:1459 129:931 130:1155
131:1845 132:811 133:412 134:1733 135:323 136:1113
137:1077 138:2831 139:1530 140:1389 141:1360 142:1658
143:1593 144:1012 145:372 146:2084 147:1980 148:2516
149:2773 150:1033 151:1354 152:2218 153:523 154:6879
155:1495 156:2279 157:1850 158:1158 159:2320 160:2709
161:1702 162:3573 163:1712 164:1662 165:2161 166:1278
167:1806 168:4032 169:800 170:4910 171:1044 172:3864
173:3062 174:894 175:1230 176:3475 177:4787 178:3676
179:2228 180:2407 181:3766 182:3360 183:1983 184:2263
185:20848 186:4986 187:4493 188:4066 189:4274 190:9445
191:1521 192:11021 193:9148 194:7519 195:5321 196:3177
197:2598 198:6052 199:7931 200:8080 201:6332 202:10464
203:10209 204:4590 205:3680 206:4470 207:3606 208:4166
209:5070 210:4648 211:2621 212:4325 213:3493 214:1061
215:49 216:6777 217:3024 218:1341 219:579 220:2033
221:1038 222:862 223:2249
End of report
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