[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Nov 22 18:02:33 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 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: 968709
Prefixes after maximum aggregation (per Origin AS): 368403
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 470919
Number of IPv4 prefixes with a valid ROA: 511627
Number of IPv4 prefixes with an invalid ROA: 1264
Number of IPv4 prefixes with no ROA: 455818
Total ASes present in the Internet Routing Table: 76500
Prefixes per ASN: 12.66
Origin-only ASes present in the Internet Routing Table: 65528
Origin ASes announcing only one prefix: 26878
Transit ASes present in the Internet Routing Table: 10972
Transit-only ASes present in the Internet Routing Table: 533
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: 1061
Number of instances of unregistered ASNs: 1075
Number of 32-bit ASNs allocated by the RIRs: 45864
Number of 32-bit ASNs visible in the Routing Table: 37496
Prefixes from 32-bit ASNs in the Routing Table: 195241
Number of bogon 32-bit ASNs visible in the Routing Table: 47
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 489
Number of addresses announced to Internet: 3026836480
Equivalent to 180 /8s, 105 /16s and 220 /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: 316574
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258382
Total APNIC prefixes after maximum aggregation: 75817
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 250525
Unique aggregates announced from the APNIC address blocks: 101803
APNIC Region origin ASes present in the Internet Routing Table: 14464
APNIC Prefixes per ASN: 17.32
APNIC Region origin ASes announcing only one prefix: 4419
APNIC Region transit ASes present in the Internet Routing Table: 1902
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9909
Number of APNIC addresses announced to Internet: 756579712
Equivalent to 45 /8s, 24 /16s and 125 /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: 283353
Total ARIN prefixes after maximum aggregation: 126536
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 285871
Unique aggregates announced from the ARIN address blocks: 136036
ARIN Region origin ASes present in the Internet Routing Table: 19195
ARIN Prefixes per ASN: 14.89
ARIN Region origin ASes announcing only one prefix: 6975
ARIN Region transit ASes present in the Internet Routing Table: 2007
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5069
Number of ARIN addresses announced to Internet: 1266350080
Equivalent to 75 /8s, 122 /16s and 248 /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: 269200
Total RIPE prefixes after maximum aggregation: 130149
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 266160
Unique aggregates announced from the RIPE address blocks: 169352
RIPE Region origin ASes present in the Internet Routing Table: 28829
RIPE Prefixes per ASN: 9.23
RIPE Region origin ASes announcing only one prefix: 12133
RIPE Region transit ASes present in the Internet Routing Table: 3981
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: 12150
Number of RIPE addresses announced to Internet: 722165376
Equivalent to 43 /8s, 11 /16s and 94 /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: 122892
Total LACNIC prefixes after maximum aggregation: 28703
LACNIC Deaggregation factor: 4.28
Prefixes being announced from the LACNIC address blocks: 120460
Unique aggregates announced from the LACNIC address blocks: 48686
LACNIC Region origin ASes present in the Internet Routing Table: 11180
LACNIC Prefixes per ASN: 10.77
LACNIC Region origin ASes announcing only one prefix: 2661
LACNIC Region transit ASes present in the Internet Routing Table: 2495
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 56
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9098
Number of LACNIC addresses announced to Internet: 177427968
Equivalent to 10 /8s, 147 /16s and 86 /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: 33821
Total AfriNIC prefixes after maximum aggregation: 6538
AfriNIC Deaggregation factor: 5.17
Prefixes being announced from the AfriNIC address blocks: 45204
Unique aggregates announced from the AfriNIC address blocks: 14631
AfriNIC Region origin ASes present in the Internet Routing Table: 1910
AfriNIC Prefixes per ASN: 23.67
AfriNIC Region origin ASes announcing only one prefix: 690
AfriNIC Region transit ASes present in the Internet Routing Table: 376
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: 1270
Number of AfriNIC addresses announced to Internet: 104051712
Equivalent to 6 /8s, 51 /16s and 180 /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 10050 8753 89 CHINAMOBILE-CN China Mobile Communication
7545 6126 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4889 4192 73 ERX-CERNET-BKB China Education and Resear
18403 4399 347 23 FPT-AS-AP FPT Telecom Company, VN
9498 3910 515 284 BBIL-AP BHARTI Airtel Ltd., IN
7552 3905 1331 25 VIETEL-AS-AP Viettel Group, VN
7713 3674 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3258 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2794 833 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2288 11520 588 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 11039 11956 3964 AMAZON-02, US
11492 4677 311 552 CABLEONE, US
174 4530 8767 872 COGENT-174, US
7155 4168 287 85 VIASAT-SP-BACKBONE, US
6327 3605 1320 79 SHAW, CA
22773 3405 3037 188 ASN-CXA-ALL-CCI-22773-RDC, US
749 3262 54895 2509 DNIC-AS-00749, US
7018 3176 23561 2016 ATT-INTERNET4, US
396982 2882 3655 431 GOOGLE-CLOUD-PLATFORM, US
16625 2861 1248 2122 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 7651 1709 143 UNI2-AS, ES
39891 4749 290 61 ALJAWWALSTC-AS, SA
20940 3920 3395 130 AKAMAI-ASN1, NL
9009 3674 316 1863 M247, RO
12389 2949 2294 880 ROSTELECOM-AS, RU
34984 2345 360 574 TELLCOM-AS, TR
212238 1830 132 1352 CDNEXT, GB
13188 1607 100 26 TRIOLAN, UA
8452 1605 1852 14 TE-AS TE-AS, EG
62240 1469 97 729 CLOUVIDER Clouvider - Global ASN, 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 11460 3221 608 UNINET, MX
10620 3542 494 942 Telmex Colombia S.A., CO
13999 2533 534 373 Mega Cable, S.A. de C.V., MX
11830 1996 369 64 Instituto Costarricense de Electricidad y
3816 1327 783 201 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
28573 1322 2310 261 Claro NXT Telecomunicacoes Ltda, BR
6503 1155 374 163 Axtel, S.A.B. de C.V., MX
11664 1145 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1118 371 22 Telefonica del Peru S.A.A., PE
22884 1068 98 372 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 1658 593 29 RAYA-AS, EG
24863 1646 389 16 LINKdotNET-AS, EG
36992 1421 1518 288 ETISALAT-MISR, EG
29571 1406 89 61 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 902 1083 15 MOBINIL, EG
6713 556 1861 35 IAM-AS, MA
36914 551 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 11460 3221 608 UNINET, MX
16509 11039 11956 3964 AMAZON-02, US
9808 10050 8753 89 CHINAMOBILE-CN China Mobile Communication
12479 7651 1709 143 UNI2-AS, ES
7545 6126 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4889 4192 73 ERX-CERNET-BKB China Education and Resear
39891 4749 290 61 ALJAWWALSTC-AS, SA
11492 4677 311 552 CABLEONE, US
174 4530 8767 872 COGENT-174, US
18403 4399 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 10050 9961 CHINAMOBILE-CN China Mobile Communications Grou
12479 7651 7508 UNI2-AS, ES
16509 11039 7075 AMAZON-02, US
7545 6126 5464 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4889 4816 ERX-CERNET-BKB China Education and Research Net
39891 4749 4688 ALJAWWALSTC-AS, SA
18403 4399 4376 FPT-AS-AP FPT Telecom Company, VN
11492 4677 4125 CABLEONE, US
7155 4168 4083 VIASAT-SP-BACKBONE, US
7552 3905 3880 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
23.140.216.0/24 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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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
/13:575 /14:1170 /15:2049 /16:13160 /17:8267 /18:13733
/19:24589 /20:45292 /21:52434 /22:112349 /23:100613 /24:593333
/25:691 /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 6659 7651 UNI2-AS, ES
8151 5667 11460 UNINET, MX
11492 3555 4677 CABLEONE, US
39891 3440 4749 ALJAWWALSTC-AS, SA
6327 3400 3605 SHAW, CA
7155 3112 4168 VIASAT-SP-BACKBONE, US
22773 2535 3405 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2268 11039 AMAZON-02, US
30036 2203 2543 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)
----------------------------------------------
1:2296 2:1551 3:524 4:8 5:4430 6:166
7:6 8:1496 9:1 11:172 12:1413 13:351
14:2500 15:336 16:269 17:360 18:903 20:442
21:4 22:188 23:7043 24:2649 25:2 27:2604
29:19 31:3030 32:40 34:70 35:173 36:2392
37:4480 38:8967 39:891 40:149 41:4160 42:2089
43:2494 44:340 45:17769 46:4792 47:299 49:2029
50:1844 51:581 52:1574 54:315 55:949 56:8
57:230 58:2267 59:1243 60:1150 61:2758 62:2822
63:1844 64:5399 65:2268 66:4640 67:3021 68:1312
69:3994 70:1116 71:592 72:2858 74:2788 75:1627
76:638 77:2541 78:1880 79:1641 80:2218 81:2039
82:1760 83:1404 84:1771 85:3136 86:963 87:2419
88:1258 89:4365 90:725 91:8254 92:2604 93:2833
94:3849 95:4221 96:1247 97:313 98:1068 99:734
100:71 101:1160 102:3429 103:32331 104:4435 105:730
106:984 107:2405 108:1187 109:4046 110:2237 111:3325
112:2042 113:1803 114:1942 115:2145 116:2009 117:2714
118:2818 119:1974 120:1865 121:1414 122:2718 123:2161
124:1622 125:2856 126:62 128:1448 129:940 130:1259
131:1881 132:817 133:448 134:1525 135:317 136:1263
137:1140 138:2845 139:1529 140:1494 141:1448 142:1833
143:1597 144:1028 145:406 146:2110 147:2057 148:2562
149:2832 150:1151 151:1467 152:2116 153:499 154:7318
155:1558 156:2809 157:1842 158:1222 159:2443 160:3317
161:1740 162:3570 163:1770 164:1932 165:2147 166:1337
167:1854 168:4116 169:799 170:4990 171:997 172:3946
173:3131 174:921 175:1251 176:3537 177:4800 178:3748
179:2255 180:2554 181:3923 182:3341 183:2040 184:2266
185:21280 186:5025 187:4211 188:4220 189:4067 190:9594
191:1513 192:11192 193:9263 194:7637 195:5391 196:3205
197:3491 198:6037 199:8229 200:8088 201:6313 202:10556
203:10456 204:4654 205:3689 206:4645 207:3608 208:4234
209:5133 210:4804 211:2625 212:4531 213:3698 214:1057
215:47 216:6603 217:3083 218:1357 219:556 220:2093
221:1051 222:839 223:2309
End of report
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