[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Dec 6 18:02:30 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 07 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: 970414
Prefixes after maximum aggregation (per Origin AS): 369269
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 471748
Number of IPv4 prefixes with a valid ROA: 442108
Number of IPv4 prefixes with an invalid ROA: 1181
Number of IPv4 prefixes with no ROA: 527125
Total ASes present in the Internet Routing Table: 76479
Prefixes per ASN: 12.69
Origin-only ASes present in the Internet Routing Table: 65508
Origin ASes announcing only one prefix: 26844
Transit ASes present in the Internet Routing Table: 10971
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: 1040
Number of instances of unregistered ASNs: 1051
Number of 32-bit ASNs allocated by the RIRs: 45968
Number of 32-bit ASNs visible in the Routing Table: 37510
Prefixes from 32-bit ASNs in the Routing Table: 195824
Number of bogon 32-bit ASNs visible in the Routing Table: 50
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 477
Number of addresses announced to Internet: 3026078720
Equivalent to 180 /8s, 94 /16s and 76 /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: 316991
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 259150
Total APNIC prefixes after maximum aggregation: 76056
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 251297
Unique aggregates announced from the APNIC address blocks: 101900
APNIC Region origin ASes present in the Internet Routing Table: 14475
APNIC Prefixes per ASN: 17.36
APNIC Region origin ASes announcing only one prefix: 4414
APNIC Region transit ASes present in the Internet Routing Table: 1907
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: 9928
Number of APNIC addresses announced to Internet: 756233088
Equivalent to 45 /8s, 19 /16s and 51 /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: 284134
Total ARIN prefixes after maximum aggregation: 126834
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 286741
Unique aggregates announced from the ARIN address blocks: 136433
ARIN Region origin ASes present in the Internet Routing Table: 19202
ARIN Prefixes per ASN: 14.93
ARIN Region origin ASes announcing only one prefix: 6967
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: 36
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5087
Number of ARIN addresses announced to Internet: 1266054144
Equivalent to 75 /8s, 118 /16s and 116 /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: 269325
Total RIPE prefixes after maximum aggregation: 130347
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 266193
Unique aggregates announced from the RIPE address blocks: 169755
RIPE Region origin ASes present in the Internet Routing Table: 28826
RIPE Prefixes per ASN: 9.23
RIPE Region origin ASes announcing only one prefix: 12114
RIPE Region transit ASes present in the Internet Routing Table: 3974
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: 12161
Number of RIPE addresses announced to Internet: 721761408
Equivalent to 43 /8s, 5 /16s and 52 /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: 122859
Total LACNIC prefixes after maximum aggregation: 28813
LACNIC Deaggregation factor: 4.26
Prefixes being announced from the LACNIC address blocks: 120374
Unique aggregates announced from the LACNIC address blocks: 48650
LACNIC Region origin ASes present in the Internet Routing Table: 11149
LACNIC Prefixes per ASN: 10.80
LACNIC Region origin ASes announcing only one prefix: 2655
LACNIC Region transit ASes present in the Internet Routing Table: 2484
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: 9066
Number of LACNIC addresses announced to Internet: 177540864
Equivalent to 10 /8s, 149 /16s and 15 /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: 33906
Total AfriNIC prefixes after maximum aggregation: 6568
AfriNIC Deaggregation factor: 5.16
Prefixes being announced from the AfriNIC address blocks: 45332
Unique aggregates announced from the AfriNIC address blocks: 14609
AfriNIC Region origin ASes present in the Internet Routing Table: 1911
AfriNIC Prefixes per ASN: 23.72
AfriNIC Region origin ASes announcing only one prefix: 694
AfriNIC Region transit ASes present in the Internet Routing Table: 373
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1268
Number of AfriNIC addresses announced to Internet: 104235264
Equivalent to 6 /8s, 54 /16s and 129 /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 10100 8754 92 CHINAMOBILE-CN China Mobile Communication
7545 6192 842 660 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4887 4192 73 ERX-CERNET-BKB China Education and Resear
18403 4561 347 23 FPT-AS-AP FPT Telecom Company, VN
9498 3964 518 287 BBIL-AP BHARTI Airtel Ltd., IN
7552 3910 1331 25 VIETEL-AS-AP Viettel Group, VN
7713 3668 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3252 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2808 837 544 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2278 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 11101 11991 3954 AMAZON-02, US
11492 4679 311 553 CABLEONE, US
174 4628 8763 881 COGENT-174, US
7155 4168 287 85 VIASAT-SP-BACKBONE, US
6327 3606 1320 79 SHAW, CA
22773 3403 3033 186 ASN-CXA-ALL-CCI-22773-RDC, US
749 3261 54895 2508 DNIC-AS-00749, US
7018 3185 23504 2021 ATT-INTERNET4, US
396982 2886 3655 434 GOOGLE-CLOUD-PLATFORM, US
16625 2883 1255 2138 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 7716 1709 143 UNI2-AS, ES
39891 4750 290 62 ALJAWWALSTC-AS, SA
20940 3914 3395 129 AKAMAI-ASN1, NL
9009 3682 317 1866 M247, RO
12389 2953 2294 881 ROSTELECOM-AS, RU
34984 2343 360 576 TELLCOM-AS, TR
212238 1829 132 1350 CDNEXT, GB
8452 1623 1852 14 TE-AS TE-AS, EG
13188 1606 100 33 TRIOLAN, UA
62240 1494 98 750 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 11493 3226 603 UNINET, MX
10620 3543 494 943 Telmex Colombia S.A., CO
13999 2535 538 370 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 1324 778 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6503 1152 374 163 Axtel, S.A.B. de C.V., MX
11664 1124 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1113 371 22 Telefonica del Peru S.A.A., PE
22884 1066 98 370 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 1649 593 29 RAYA-AS, EG
24863 1637 389 16 LINKdotNET-AS, EG
29571 1447 91 59 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 288 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 999 520 40 Vodafone-, EG
20011 944 167 258 INTERNET-SOLUTIONS, ZA
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
8151 11493 3226 603 UNINET, MX
16509 11101 11991 3954 AMAZON-02, US
9808 10100 8754 92 CHINAMOBILE-CN China Mobile Communication
12479 7716 1709 143 UNI2-AS, ES
7545 6192 842 660 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4887 4192 73 ERX-CERNET-BKB China Education and Resear
39891 4750 290 62 ALJAWWALSTC-AS, SA
11492 4679 311 553 CABLEONE, US
174 4628 8763 881 COGENT-174, US
18403 4561 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 10100 10008 CHINAMOBILE-CN China Mobile Communications Grou
12479 7716 7573 UNI2-AS, ES
16509 11101 7147 AMAZON-02, US
7545 6192 5532 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4887 4814 ERX-CERNET-BKB China Education and Research Net
39891 4750 4688 ALJAWWALSTC-AS, SA
18403 4561 4538 FPT-AS-AP FPT Telecom Company, VN
11492 4679 4126 CABLEONE, US
7155 4168 4083 VIASAT-SP-BACKBONE, US
7552 3910 3885 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
23.140.216.0/24 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
23.154.248.0/24 Origin: 54641 IMH-IAD, US
23.154.248.0/24 Transit: 3257 GTT-BACKBONE GTT, 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 /14:1166 /15:2056 /16:13168 /17:8271 /18:13708
/19:24665 /20:45140 /21:52472 /22:112215 /23:100725 /24:595110
/25:689 /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 6698 7716 UNI2-AS, ES
8151 5692 11493 UNINET, MX
11492 3555 4679 CABLEONE, US
39891 3441 4750 ALJAWWALSTC-AS, SA
6327 3401 3606 SHAW, CA
7155 3112 4168 VIASAT-SP-BACKBONE, US
22773 2536 3403 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2264 11101 AMAZON-02, US
30036 2210 2550 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2173 3543 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2322 2:1557 3:526 4:8 5:4457 6:166
7:6 8:1550 9:1 11:172 12:1396 13:368
14:2501 15:334 16:270 17:360 18:902 20:444
21:4 22:188 23:7073 24:2741 25:2 27:2612
29:19 31:3046 32:40 34:70 35:174 36:2396
37:4479 38:9172 39:878 40:132 41:4173 42:2153
43:2509 44:340 45:17845 46:4938 47:299 49:2010
50:1855 51:586 52:1574 54:316 55:1032 56:8
57:232 58:2322 59:1244 60:1153 61:2779 62:2876
63:1830 64:5409 65:2276 66:4651 67:3022 68:1289
69:3979 70:1114 71:589 72:2857 74:2781 75:1638
76:639 77:2563 78:1851 79:1653 80:2213 81:2030
82:1770 83:1403 84:1779 85:3196 86:974 87:2414
88:1262 89:4359 90:734 91:8257 92:2722 93:2844
94:3863 95:4195 96:1247 97:313 98:1066 99:734
100:71 101:1176 102:3440 103:32355 104:4429 105:727
106:986 107:2418 108:1197 109:4020 110:2236 111:3324
112:2046 113:1814 114:1945 115:2152 116:2021 117:2714
118:2878 119:1979 120:1885 121:1413 122:2745 123:2168
124:1617 125:2858 126:62 128:1540 129:954 130:1259
131:1863 132:807 133:448 134:1510 135:325 136:1331
137:1154 138:2861 139:1535 140:1510 141:1451 142:1843
143:1602 144:1029 145:402 146:2120 147:2048 148:2571
149:2823 150:1161 151:1466 152:2117 153:499 154:7338
155:1568 156:2772 157:1845 158:1221 159:2449 160:3366
161:1756 162:3597 163:1780 164:1695 165:2155 166:1350
167:1863 168:4115 169:794 170:5014 171:999 172:3971
173:3158 174:919 175:1259 176:3556 177:4803 178:3737
179:2266 180:2544 181:3940 182:3364 183:2087 184:2257
185:21307 186:5001 187:4210 188:4199 189:4115 190:9558
191:1506 192:11175 193:9287 194:7677 195:5406 196:3209
197:3499 198:6045 199:8266 200:8131 201:6328 202:10555
203:10468 204:4639 205:3714 206:4656 207:3598 208:4235
209:5138 210:4813 211:2630 212:4503 213:3699 214:1052
215:48 216:6574 217:3091 218:1363 219:551 220:2093
221:1052 222:842 223:2308
End of report
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