[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Nov 15 18:02:41 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 16 Nov, 2024
IPv4 BGP Table (Global) as seen at Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 968200
Prefixes after maximum aggregation (per Origin AS): 367905
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 470400
Number of IPv4 prefixes with a valid ROA: 443252
Number of IPv4 prefixes with an invalid ROA: 1123
Number of IPv4 prefixes with no ROA: 523825
Total ASes present in the Internet Routing Table: 76450
Prefixes per ASN: 12.66
Origin-only ASes present in the Internet Routing Table: 65489
Origin ASes announcing only one prefix: 26856
Transit ASes present in the Internet Routing Table: 10961
Transit-only ASes present in the Internet Routing Table: 532
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 56
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1110
Number of instances of unregistered ASNs: 1124
Number of 32-bit ASNs allocated by the RIRs: 45848
Number of 32-bit ASNs visible in the Routing Table: 37420
Prefixes from 32-bit ASNs in the Routing Table: 194911
Number of bogon 32-bit ASNs visible in the Routing Table: 54
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 518
Number of addresses announced to Internet: 3028233984
Equivalent to 180 /8s, 127 /16s and 47 /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: 316406
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258298
Total APNIC prefixes after maximum aggregation: 75727
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 250512
Unique aggregates announced from the APNIC address blocks: 101598
APNIC Region origin ASes present in the Internet Routing Table: 14447
APNIC Prefixes per ASN: 17.34
APNIC Region origin ASes announcing only one prefix: 4424
APNIC Region transit ASes present in the Internet Routing Table: 1899
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9888
Number of APNIC addresses announced to Internet: 756690816
Equivalent to 45 /8s, 26 /16s and 47 /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: 283224
Total ARIN prefixes after maximum aggregation: 126328
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 285730
Unique aggregates announced from the ARIN address blocks: 135969
ARIN Region origin ASes present in the Internet Routing Table: 19194
ARIN Prefixes per ASN: 14.89
ARIN Region origin ASes announcing only one prefix: 6980
ARIN Region transit ASes present in the Internet Routing Table: 2010
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 36
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5065
Number of ARIN addresses announced to Internet: 1267345664
Equivalent to 75 /8s, 138 /16s and 41 /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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 269039
Total RIPE prefixes after maximum aggregation: 129953
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 265952
Unique aggregates announced from the RIPE address blocks: 169183
RIPE Region origin ASes present in the Internet Routing Table: 28804
RIPE Prefixes per ASN: 9.23
RIPE Region origin ASes announcing only one prefix: 12124
RIPE Region transit ASes present in the Internet Routing Table: 3978
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 43
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12116
Number of RIPE addresses announced to Internet: 722230656
Equivalent to 43 /8s, 12 /16s and 93 /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,
53/8, 57/8, 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: 122868
Total LACNIC prefixes after maximum aggregation: 28683
LACNIC Deaggregation factor: 4.28
Prefixes being announced from the LACNIC address blocks: 120454
Unique aggregates announced from the LACNIC address blocks: 48723
LACNIC Region origin ASes present in the Internet Routing Table: 11165
LACNIC Prefixes per ASN: 10.79
LACNIC Region origin ASes announcing only one prefix: 2638
LACNIC Region transit ASes present in the Internet Routing Table: 2485
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 56
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9084
Number of LACNIC addresses announced to Internet: 177450496
Equivalent to 10 /8s, 147 /16s and 174 /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: 33661
Total AfriNIC prefixes after maximum aggregation: 6529
AfriNIC Deaggregation factor: 5.16
Prefixes being announced from the AfriNIC address blocks: 45034
Unique aggregates announced from the AfriNIC address blocks: 14487
AfriNIC Region origin ASes present in the Internet Routing Table: 1907
AfriNIC Prefixes per ASN: 23.62
AfriNIC Region origin ASes announcing only one prefix: 690
AfriNIC Region transit ASes present in the Internet Routing Table: 370
Average AfriNIC Region AS path length visible: 5.9
Max AfriNIC Region AS path length visible: 39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267
Number of AfriNIC addresses announced to Internet: 104236544
Equivalent to 6 /8s, 54 /16s and 134 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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 10044 8753 89 CHINAMOBILE-CN China Mobile Communication
7545 6094 842 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4896 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4368 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3908 1331 25 VIETEL-AS-AP Viettel Group, VN
9498 3894 514 277 BBIL-AP BHARTI Airtel Ltd., IN
7713 3659 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3257 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2792 832 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2282 11519 587 KIXS-AS-KR Korea Telecom, KR
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 11007 11956 3869 AMAZON-02, US
11492 4673 310 553 CABLEONE, US
174 4459 8759 825 COGENT-174, US
7155 4170 287 85 VIASAT-SP-BACKBONE, US
6327 3605 1320 79 SHAW, CA
22773 3409 3035 187 ASN-CXA-ALL-CCI-22773-RDC, US
749 3261 54895 2508 DNIC-AS-00749, US
7018 3185 23661 2013 ATT-INTERNET4, US
396982 2875 3654 429 GOOGLE-CLOUD-PLATFORM, US
16625 2864 1249 2126 AKAMAI-AS, 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 7632 1709 143 UNI2-AS, ES
39891 4732 289 60 ALJAWWALSTC-AS, SA
20940 3912 3395 129 AKAMAI-ASN1, NL
9009 3671 316 1861 M247, RO
12389 2951 2294 877 ROSTELECOM-AS, RU
34984 2341 359 579 TELLCOM-AS, TR
212238 1849 134 1369 CDNEXT, GB
13188 1606 100 30 TRIOLAN, UA
8452 1594 1852 14 TE-AS TE-AS, EG
8551 1472 366 32 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
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 11444 3219 612 UNINET, MX
10620 3542 494 942 Telmex Colombia S.A., CO
13999 2537 535 368 Mega Cable, S.A. de C.V., MX
11830 2004 369 64 Instituto Costarricense de Electricidad y
28573 1333 2310 261 Claro NXT Telecomunicacoes Ltda, BR
3816 1325 782 200 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6503 1152 374 163 Axtel, S.A.B. de C.V., MX
11664 1147 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1118 371 22 Telefonica del Peru S.A.A., PE
22884 1067 98 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1669 593 29 RAYA-AS, EG
24863 1646 389 16 LINKdotNET-AS, EG
36992 1417 1518 288 ETISALAT-MISR, EG
29571 1395 88 59 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 1015 523 46 Vodafone-, EG
20011 915 162 254 INTERNET-SOLUTIONS, ZA
37069 720 1099 15 MOBINIL, EG
6713 555 1861 35 IAM-AS, MA
36914 549 82 3 KENET-AS, KE
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 11444 3219 612 UNINET, MX
16509 11007 11956 3869 AMAZON-02, US
9808 10044 8753 89 CHINAMOBILE-CN China Mobile Communication
12479 7632 1709 143 UNI2-AS, ES
7545 6094 842 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4896 4192 74 ERX-CERNET-BKB China Education and Resear
39891 4732 289 60 ALJAWWALSTC-AS, SA
11492 4673 310 553 CABLEONE, US
174 4459 8759 825 COGENT-174, US
18403 4368 347 23 FPT-AS-AP FPT Telecom Company, VN
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 10044 9955 CHINAMOBILE-CN China Mobile Communications Grou
12479 7632 7489 UNI2-AS, ES
16509 11007 7138 AMAZON-02, US
7545 6094 5435 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4896 4822 ERX-CERNET-BKB China Education and Research Net
39891 4732 4672 ALJAWWALSTC-AS, SA
18403 4368 4345 FPT-AS-AP FPT Telecom Company, VN
11492 4673 4120 CABLEONE, US
7155 4170 4085 VIASAT-SP-BACKBONE, US
7552 3908 3883 VIETEL-AS-AP Viettel Group, VN
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-D
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
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
46639 UNALLOCATED 8.38.73.0/24 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
23.139.32.0/24 Origin: 14727 RESERVED, ZZ
23.139.32.0/24 Transit: 6939 HURRICANE, US
23.139.88.0/24 Origin: 397244 RESERVED, ZZ
23.139.88.0/24 Transit: 33387 NOCIX, 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 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, 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 /9:16 /10:36 /11:91 /12:295
/13:576 /14:1168 /15:2054 /16:13181 /17:8287 /18:13765
/19:24595 /20:45056 /21:52361 /22:112393 /23:100494 /24:593123
/25:693 /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 6662 7632 UNI2-AS, ES
8151 5657 11444 UNINET, MX
11492 3555 4673 CABLEONE, US
39891 3424 4732 ALJAWWALSTC-AS, SA
6327 3400 3605 SHAW, CA
7155 3114 4170 VIASAT-SP-BACKBONE, US
22773 2540 3409 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2245 11007 AMAZON-02, US
30036 2198 2538 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2172 3542 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2299 2:1557 3:516 4:8 5:4447 6:167
7:6 8:1499 9:1 11:172 12:1413 13:364
14:2501 15:333 16:269 17:359 18:908 20:443
21:4 22:188 23:7023 24:2646 25:2 27:2596
29:19 31:3032 32:40 34:70 35:157 36:2378
37:4476 38:8915 39:920 40:149 41:4138 42:2060
43:2498 44:335 45:17718 46:4739 47:300 49:2034
50:1842 51:583 52:1574 54:316 55:980 56:8
57:230 58:2257 59:1268 60:1151 61:2760 62:2804
63:1845 64:5413 65:2270 66:4648 67:3012 68:1314
69:3992 70:1123 71:584 72:2856 74:2792 75:1629
76:637 77:2577 78:1884 79:1666 80:2212 81:2041
82:1766 83:1391 84:1763 85:3102 86:958 87:2412
88:1257 89:4391 90:704 91:8253 92:2598 93:2813
94:3851 95:4220 96:1245 97:313 98:1068 99:738
100:73 101:1181 102:3417 103:32328 104:4424 105:731
106:984 107:2399 108:1179 109:4070 110:2231 111:3320
112:2047 113:1800 114:1941 115:2148 116:1998 117:2711
118:2871 119:1977 120:1859 121:1412 122:2713 123:2155
124:1633 125:2857 126:62 128:1420 129:946 130:1256
131:1901 132:812 133:446 134:1519 135:318 136:1261
137:1137 138:2865 139:1538 140:1483 141:1451 142:1821
143:1600 144:1029 145:400 146:2107 147:2059 148:2557
149:2822 150:1141 151:1463 152:2118 153:500 154:7291
155:1557 156:2833 157:1840 158:1219 159:2448 160:3315
161:1739 162:3572 163:1763 164:1935 165:2133 166:1339
167:1858 168:4118 169:792 170:5010 171:995 172:3936
173:3136 174:921 175:1254 176:3506 177:4744 178:3706
179:2252 180:2556 181:3924 182:3343 183:2054 184:2264
185:21266 186:5010 187:4229 188:4216 189:4117 190:9558
191:1502 192:11187 193:9272 194:7618 195:5398 196:3220
197:3498 198:6020 199:8218 200:8146 201:6308 202:10546
203:10449 204:4657 205:3708 206:4649 207:3608 208:4234
209:5135 210:4808 211:2664 212:4522 213:3696 214:1052
215:47 216:6602 217:3068 218:1386 219:552 220:2082
221:1051 222:841 223:2329
End of report
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