[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Dec 13 18:02:29 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 14 Dec, 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: 972581
Prefixes after maximum aggregation (per Origin AS): 368692
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 467084
Number of IPv4 prefixes with a valid ROA: 517966
Number of IPv4 prefixes with an invalid ROA: 1265
Number of IPv4 prefixes with no ROA: 453350
Total ASes present in the Internet Routing Table: 76509
Prefixes per ASN: 12.71
Origin-only ASes present in the Internet Routing Table: 65519
Origin ASes announcing only one prefix: 26791
Transit ASes present in the Internet Routing Table: 10990
Transit-only ASes present in the Internet Routing Table: 531
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: 1074
Number of instances of unregistered ASNs: 1085
Number of 32-bit ASNs allocated by the RIRs: 45981
Number of 32-bit ASNs visible in the Routing Table: 37562
Prefixes from 32-bit ASNs in the Routing Table: 196194
Number of bogon 32-bit ASNs visible in the Routing Table: 49
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 492
Number of addresses announced to Internet: 3118106880
Equivalent to 185 /8s, 218 /16s and 137 /24s
Percentage of available address space announced: 84.2
Percentage of allocated address space announced: 84.2
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: 317261
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 259312
Total APNIC prefixes after maximum aggregation: 76204
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 251594
Unique aggregates announced from the APNIC address blocks: 102328
APNIC Region origin ASes present in the Internet Routing Table: 14480
APNIC Prefixes per ASN: 17.38
APNIC Region origin ASes announcing only one prefix: 4404
APNIC Region transit ASes present in the Internet Routing Table: 1919
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: 9938
Number of APNIC addresses announced to Internet: 757071744
Equivalent to 45 /8s, 31 /16s and 255 /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: 285696
Total ARIN prefixes after maximum aggregation: 125905
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 287630
Unique aggregates announced from the ARIN address blocks: 131068
ARIN Region origin ASes present in the Internet Routing Table: 19200
ARIN Prefixes per ASN: 14.98
ARIN Region origin ASes announcing only one prefix: 6959
ARIN Region transit ASes present in the Internet Routing Table: 2004
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: 5092
Number of ARIN addresses announced to Internet: 1344992256
Equivalent to 80 /8s, 42 /16s and 244 /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: 130418
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 266205
Unique aggregates announced from the RIPE address blocks: 169887
RIPE Region origin ASes present in the Internet Routing Table: 28821
RIPE Prefixes per ASN: 9.24
RIPE Region origin ASes announcing only one prefix: 12096
RIPE Region transit ASes present in the Internet Routing Table: 3983
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: 12168
Number of RIPE addresses announced to Internet: 734297984
Equivalent to 43 /8s, 196 /16s and 127 /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: 123448
Total LACNIC prefixes after maximum aggregation: 28869
LACNIC Deaggregation factor: 4.28
Prefixes being announced from the LACNIC address blocks: 120928
Unique aggregates announced from the LACNIC address blocks: 48697
LACNIC Region origin ASes present in the Internet Routing Table: 11182
LACNIC Prefixes per ASN: 10.81
LACNIC Region origin ASes announcing only one prefix: 2645
LACNIC Region transit ASes present in the Internet Routing Table: 2497
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: 177558784
Equivalent to 10 /8s, 149 /16s and 85 /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: 33851
Total AfriNIC prefixes after maximum aggregation: 6620
AfriNIC Deaggregation factor: 5.11
Prefixes being announced from the AfriNIC address blocks: 45732
Unique aggregates announced from the AfriNIC address blocks: 14690
AfriNIC Region origin ASes present in the Internet Routing Table: 1907
AfriNIC Prefixes per ASN: 23.98
AfriNIC Region origin ASes announcing only one prefix: 687
AfriNIC Region transit ASes present in the Internet Routing Table: 374
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1266
Number of AfriNIC addresses announced to Internet: 103927808
Equivalent to 6 /8s, 49 /16s and 208 /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 10099 8754 93 CHINAMOBILE-CN China Mobile Communication
7545 6194 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4931 4192 73 ERX-CERNET-BKB China Education and Resear
18403 4612 347 23 FPT-AS-AP FPT Telecom Company, VN
9498 3982 519 292 BBIL-AP BHARTI Airtel Ltd., IN
7552 3911 1331 25 VIETEL-AS-AP Viettel Group, VN
7713 3675 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3257 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2812 838 547 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2280 11519 584 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 12493 38018 2975 AMAZON-02, US
11492 4691 312 558 CABLEONE, US
7155 4164 287 85 VIASAT-SP-BACKBONE, US
174 4129 8763 876 COGENT-174, US
6327 3614 1320 79 SHAW, CA
22773 3397 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US
749 3262 54895 2509 DNIC-AS-00749, US
7018 3205 23505 2039 ATT-INTERNET4, US
396982 2892 3656 438 GOOGLE-CLOUD-PLATFORM, US
16625 2876 1253 2133 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 7710 1709 143 UNI2-AS, ES
39891 4750 290 62 ALJAWWALSTC-AS, SA
20940 3914 3395 129 AKAMAI-ASN1, NL
9009 3698 318 1872 M247, RO
12389 2958 2294 882 ROSTELECOM-AS, RU
34984 2350 360 577 TELLCOM-AS, TR
212238 1822 131 1344 CDNEXT, GB
8452 1614 1852 14 TE-AS TE-AS, EG
13188 1607 100 26 TRIOLAN, UA
62240 1496 98 749 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 11515 3226 603 UNINET, MX
10620 3542 494 942 Telmex Colombia S.A., CO
13999 2542 542 372 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6503 1169 374 163 Axtel, S.A.B. de C.V., MX
11664 1125 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1114 371 22 Telefonica del Peru S.A.A., PE
22884 1068 98 373 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
24863 1650 389 16 LINKdotNET-AS, EG
24835 1632 593 29 RAYA-AS, EG
29571 1448 92 58 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 287 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
20011 967 179 271 INTERNET-SOLUTIONS, ZA
36935 886 523 46 Vodafone-, EG
37069 834 1083 15 MOBINIL, EG
6713 557 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
16509 12493 38018 2975 AMAZON-02, US
8151 11515 3226 603 UNINET, MX
9808 10099 8754 93 CHINAMOBILE-CN China Mobile Communication
12479 7710 1709 143 UNI2-AS, ES
7545 6194 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4931 4192 73 ERX-CERNET-BKB China Education and Resear
39891 4750 290 62 ALJAWWALSTC-AS, SA
11492 4691 312 558 CABLEONE, US
18403 4612 347 23 FPT-AS-AP FPT Telecom Company, VN
7155 4164 287 85 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
8151 11515 10912 UNINET, MX
9808 10099 10006 CHINAMOBILE-CN China Mobile Communications Grou
12479 7710 7567 UNI2-AS, ES
7545 6194 5530 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4931 4858 ERX-CERNET-BKB China Education and Research Net
39891 4750 4688 ALJAWWALSTC-AS, SA
18403 4612 4589 FPT-AS-AP FPT Telecom Company, VN
11492 4691 4133 CABLEONE, US
7155 4164 4079 VIASAT-SP-BACKBONE, US
7552 3911 3886 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
400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US
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
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
23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA
23.132.192.0/24 Transit: 6939 HURRICANE, US
23.140.16.0/24 Origin: 63371 RESERVED, ZZ
23.140.16.0/24 Transit: 10796 TWC-10796-MIDWEST, US
23.140.48.0/24 Origin: 63371 RESERVED, ZZ
23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, 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 /10:42 /11:94 /12:312
/13:590 /14:1222 /15:2153 /16:13966 /17:8315 /18:13769
/19:24854 /20:45080 /21:52485 /22:112151 /23:100959 /24:595865
/25:692 /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 6686 7710 UNI2-AS, ES
8151 5711 11515 UNINET, MX
11492 3555 4691 CABLEONE, US
39891 3441 4750 ALJAWWALSTC-AS, SA
6327 3409 3614 SHAW, CA
7155 3112 4164 VIASAT-SP-BACKBONE, US
22773 2531 3397 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2265 12493 AMAZON-02, US
30036 2220 2559 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)
----------------------------------------------
1:2324 2:1558 3:525 4:8 5:4457 6:166
7:6 8:1548 9:1 11:172 12:1396 13:362
14:2508 15:334 16:270 17:360 18:905 20:446
21:4 22:188 23:7109 24:2742 25:2 27:2612
29:19 31:3060 32:40 34:71 35:177 36:2401
37:4476 38:8766 39:879 40:149 41:4189 42:2213
43:2514 44:340 45:17957 46:4961 47:299 49:2016
50:1862 51:586 52:1574 54:315 55:1037 56:8
57:232 58:2311 59:1246 60:1151 61:2785 62:2881
63:1833 64:5412 65:2217 66:4672 67:3030 68:1294
69:3981 70:1111 71:594 72:2858 74:2784 75:1634
76:637 77:2546 78:1848 79:1676 80:2218 81:2029
82:1770 83:1401 84:1777 85:3201 86:974 87:2413
88:1271 89:4322 90:747 91:8243 92:2727 93:2825
94:3833 95:4191 96:1245 97:313 98:1065 99:731
100:71 101:1178 102:3456 103:32367 104:4437 105:733
106:1003 107:2443 108:1196 109:4035 110:2234 111:3319
112:2046 113:1811 114:1934 115:2156 116:2036 117:2719
118:2885 119:1957 120:1884 121:1396 122:2748 123:2171
124:1612 125:2861 126:62 128:1542 129:950 130:1266
131:1867 132:807 133:449 134:1508 135:327 136:1333
137:1153 138:2881 139:1539 140:1512 141:1449 142:1848
143:1594 144:1028 145:405 146:2125 147:2034 148:2577
149:2821 150:1160 151:1477 152:2118 153:499 154:7601
155:1570 156:2955 157:1856 158:1222 159:2447 160:3388
161:1745 162:3605 163:1791 164:1691 165:2152 166:1350
167:1860 168:4101 169:794 170:5061 171:1001 172:3992
173:3172 174:918 175:1260 176:3552 177:4877 178:3745
179:2244 180:2560 181:3956 182:3357 183:2086 184:2256
185:21289 186:5038 187:4240 188:4203 189:4123 190:9617
191:1516 192:11187 193:9297 194:7677 195:5415 196:3199
197:3503 198:6064 199:8275 200:8129 201:6315 202:10562
203:10454 204:4639 205:3694 206:4680 207:3588 208:4227
209:5132 210:4801 211:2632 212:4491 213:3752 214:1062
215:48 216:6574 217:3099 218:1363 219:547 220:2103
221:1052 222:844 223:2309
End of report
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