[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Oct 25 18:02:40 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 26 Oct, 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: 965668
Prefixes after maximum aggregation (per Origin AS): 367154
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 468685
Number of IPv4 prefixes with a valid ROA: 208958
Number of IPv4 prefixes with an invalid ROA: 497
Number of IPv4 prefixes with no ROA: 756213
Total ASes present in the Internet Routing Table: 76408
Prefixes per ASN: 12.64
Origin-only ASes present in the Internet Routing Table: 65447
Origin ASes announcing only one prefix: 26834
Transit ASes present in the Internet Routing Table: 10961
Transit-only ASes present in the Internet Routing Table: 529
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 62
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 1022
Number of instances of unregistered ASNs: 1033
Number of 32-bit ASNs allocated by the RIRs: 45629
Number of 32-bit ASNs visible in the Routing Table: 37334
Prefixes from 32-bit ASNs in the Routing Table: 193810
Number of bogon 32-bit ASNs visible in the Routing Table: 51
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 545
Number of addresses announced to Internet: 3028000256
Equivalent to 180 /8s, 123 /16s and 158 /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: 315615
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258303
Total APNIC prefixes after maximum aggregation: 75618
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 250085
Unique aggregates announced from the APNIC address blocks: 101196
APNIC Region origin ASes present in the Internet Routing Table: 14418
APNIC Prefixes per ASN: 17.35
APNIC Region origin ASes announcing only one prefix: 4386
APNIC Region transit ASes present in the Internet Routing Table: 1909
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: 9854
Number of APNIC addresses announced to Internet: 756757632
Equivalent to 45 /8s, 27 /16s and 52 /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: 282230
Total ARIN prefixes after maximum aggregation: 126197
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 285692
Unique aggregates announced from the ARIN address blocks: 135666
ARIN Region origin ASes present in the Internet Routing Table: 19208
ARIN Prefixes per ASN: 14.87
ARIN Region origin ASes announcing only one prefix: 6981
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: 5056
Number of ARIN addresses announced to Internet: 1267086080
Equivalent to 75 /8s, 134 /16s and 51 /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: 268248
Total RIPE prefixes after maximum aggregation: 129602
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 265030
Unique aggregates announced from the RIPE address blocks: 168662
RIPE Region origin ASes present in the Internet Routing Table: 28790
RIPE Prefixes per ASN: 9.21
RIPE Region origin ASes announcing only one prefix: 12130
RIPE Region transit ASes present in the Internet Routing Table: 3976
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: 12080
Number of RIPE addresses announced to Internet: 722097280
Equivalent to 43 /8s, 10 /16s and 84 /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: 122678
Total LACNIC prefixes after maximum aggregation: 28486
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 120248
Unique aggregates announced from the LACNIC address blocks: 48442
LACNIC Region origin ASes present in the Internet Routing Table: 11166
LACNIC Prefixes per ASN: 10.77
LACNIC Region origin ASes announcing only one prefix: 2646
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: 9082
Number of LACNIC addresses announced to Internet: 177488640
Equivalent to 10 /8s, 148 /16s and 67 /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: 33187
Total AfriNIC prefixes after maximum aggregation: 6593
AfriNIC Deaggregation factor: 5.03
Prefixes being announced from the AfriNIC address blocks: 44068
Unique aggregates announced from the AfriNIC address blocks: 14265
AfriNIC Region origin ASes present in the Internet Routing Table: 1900
AfriNIC Prefixes per ASN: 23.19
AfriNIC Region origin ASes announcing only one prefix: 691
AfriNIC Region transit ASes present in the Internet Routing Table: 372
Average AfriNIC Region AS path length visible: 5.9
Max AfriNIC Region AS path length visible: 62
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1262
Number of AfriNIC addresses announced to Internet: 104279296
Equivalent to 6 /8s, 55 /16s and 45 /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 10088 8752 85 CHINAMOBILE-CN China Mobile Communication
7545 5993 840 654 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4546 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3938 1331 25 VIETEL-AS-AP Viettel Group, VN
9498 3854 513 271 BBIL-AP BHARTI Airtel Ltd., IN
7713 3653 1036 71 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3264 1871 101 VNPT-AS-VN VNPT Corp, VN
24560 2783 829 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2285 11519 586 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 10920 11917 3811 AMAZON-02, US
11492 4660 310 547 CABLEONE, US
174 4432 8760 836 COGENT-174, US
7155 4163 287 85 VIASAT-SP-BACKBONE, US
6327 3603 1320 79 SHAW, CA
22773 3414 3035 188 ASN-CXA-ALL-CCI-22773-RDC, US
749 3262 54896 2509 DNIC-AS-00749, US
7018 3170 23668 1970 ATT-INTERNET4, US
396982 2866 3654 420 GOOGLE-CLOUD-PLATFORM, US
16625 2849 1245 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 7646 1709 143 UNI2-AS, ES
39891 4652 281 59 ALJAWWALSTC-AS, SA
20940 3871 3395 129 AKAMAI-ASN1, NL
9009 3707 320 1893 M247, RO
12389 2953 2294 881 ROSTELECOM-AS, RU
34984 2342 359 579 TELLCOM-AS, TR
212238 1807 133 1342 CDNEXT, GB
13188 1606 100 30 TRIOLAN, UA
8452 1579 1852 14 TE-AS TE-AS, EG
8551 1475 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 11564 3237 506 UNINET, MX
10620 3545 494 939 Telmex Colombia S.A., CO
13999 2529 533 358 Mega Cable, S.A. de C.V., MX
11830 2007 369 64 Instituto Costarricense de Electricidad y
28573 1338 2310 261 Claro NXT Telecomunicacoes Ltda, BR
3816 1319 779 200 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6503 1156 374 163 Axtel, S.A.B. de C.V., MX
11664 1155 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1113 369 22 Telefonica del Peru S.A.A., PE
22884 1061 97 371 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 1637 593 29 RAYA-AS, EG
24863 1618 389 16 LINKdotNET-AS, EG
36992 1414 1519 283 ETISALAT-MISR, EG
29571 1355 86 58 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 992 523 47 Vodafone-, EG
20011 781 153 343 INTERNET-SOLUTIONS, ZA
37069 595 1099 13 MOBINIL, EG
6713 554 1861 35 IAM-AS, MA
36914 526 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 11564 3237 506 UNINET, MX
16509 10920 11917 3811 AMAZON-02, US
9808 10088 8752 85 CHINAMOBILE-CN China Mobile Communication
12479 7646 1709 143 UNI2-AS, ES
7545 5993 840 654 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4192 74 ERX-CERNET-BKB China Education and Resear
11492 4660 310 547 CABLEONE, US
39891 4652 281 59 ALJAWWALSTC-AS, SA
18403 4546 347 23 FPT-AS-AP FPT Telecom Company, VN
174 4432 8760 836 COGENT-174, 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 10088 10003 CHINAMOBILE-CN China Mobile Communications Grou
12479 7646 7503 UNI2-AS, ES
16509 10920 7109 AMAZON-02, US
7545 5993 5339 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4798 ERX-CERNET-BKB China Education and Research Net
39891 4652 4593 ALJAWWALSTC-AS, SA
18403 4546 4523 FPT-AS-AP FPT Telecom Company, VN
11492 4660 4113 CABLEONE, US
7155 4163 4078 VIASAT-SP-BACKBONE, US
7552 3938 3913 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
23.137.192.0/24 Origin: 31798 DATACITY, CA
23.137.192.0/24 Transit: 21949 BEANFIELD, CA
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 /14:1171 /15:2060 /16:13194 /17:8270 /18:13764
/19:24584 /20:44917 /21:52263 /22:112238 /23:100209 /24:591239
/25:729 /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 6700 7646 UNI2-AS, ES
8151 5750 11564 UNINET, MX
11492 3555 4660 CABLEONE, US
39891 3412 4652 ALJAWWALSTC-AS, SA
6327 3398 3603 SHAW, CA
7155 3107 4163 VIASAT-SP-BACKBONE, US
22773 2545 3414 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2221 10920 AMAZON-02, US
30036 2188 2527 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2174 3545 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2295 2:1547 3:505 4:8 5:4414 6:168
7:6 8:1513 9:1 11:172 12:1422 13:363
14:2475 15:331 16:264 17:359 18:900 20:441
21:4 22:188 23:6953 24:2645 25:2 27:2597
29:19 31:2934 32:48 34:70 35:142 36:2366
37:4489 38:8769 39:917 40:150 41:4118 42:2196
43:2469 44:333 45:17699 46:4702 47:300 49:2026
50:1861 51:580 52:1584 54:315 55:953 56:8
57:223 58:2265 59:1265 60:1145 61:2741 62:2835
63:1859 64:5418 65:2278 66:4662 67:2998 68:1334
69:4014 70:1129 71:565 72:2857 74:2781 75:1630
76:638 77:2575 78:1876 79:1656 80:2193 81:2030
82:1782 83:1380 84:1754 85:3093 86:960 87:2410
88:1245 89:4372 90:701 91:8278 92:2625 93:2815
94:3809 95:4296 96:1265 97:315 98:1072 99:740
100:73 101:1167 102:3435 103:32300 104:4403 105:701
106:986 107:2398 108:1165 109:4027 110:2206 111:3322
112:2045 113:1790 114:1932 115:2129 116:1990 117:2716
118:2880 119:1962 120:1896 121:1410 122:2715 123:2153
124:1638 125:2858 126:64 128:1426 129:944 130:1247
131:1863 132:808 133:446 134:1527 135:316 136:1262
137:1126 138:2888 139:1541 140:1475 141:1565 142:1808
143:1605 144:1022 145:396 146:2110 147:2048 148:2537
149:2818 150:1121 151:1377 152:2116 153:499 154:6930
155:1562 156:2603 157:1840 158:1230 159:2442 160:3232
161:1737 162:3563 163:1766 164:1937 165:2140 166:1335
167:1855 168:4076 169:786 170:4934 171:1022 172:3909
173:3125 174:909 175:1254 176:3474 177:4752 178:3551
179:2204 180:2487 181:3919 182:3318 183:2055 184:2263
185:21169 186:5008 187:4244 188:4253 189:4091 190:9560
191:1513 192:11243 193:9272 194:7612 195:5402 196:3229
197:3364 198:6064 199:8202 200:8142 201:6281 202:10559
203:10405 204:4644 205:3710 206:4620 207:3683 208:4219
209:5174 210:4792 211:2671 212:4505 213:3656 214:1074
215:48 216:6639 217:3036 218:1383 219:558 220:2068
221:1048 222:837 223:2299
End of report
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