[lacnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora en apnic.net
Vie Dic 26 15:03:25 -03 2025
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 en lists.apnic.net.
For historical data, please see https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz en gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 27 Dec, 2025
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: 1024767
Prefixes after maximum aggregation (per Origin AS): 394615
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 505865
Number of IPv4 prefixes with a valid ROA: 603996
Number of IPv4 prefixes with an invalid ROA: 1569
Number of IPv4 prefixes with no ROA: 419202
Total ASes present in the Internet Routing Table: 77673
Prefixes per ASN: 13.19
Origin-only ASes present in the Internet Routing Table: 66752
Origin ASes announcing only one prefix: 27110
Transit ASes present in the Internet Routing Table: 10921
Transit-only ASes present in the Internet Routing Table: 547
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 69
Max AS path prepend of ASN (269326) 61
Prefixes from unregistered ASNs in the Routing Table: 967
Number of instances of unregistered ASNs: 1005
Number of 32-bit ASNs allocated by the RIRs: 48313
Number of 32-bit ASNs visible in the Routing Table: 39535
Prefixes from 32-bit ASNs in the Routing Table: 219802
Number of bogon 32-bit ASNs visible in the Routing Table: 107
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 625
Number of addresses announced to Internet: 3106737024
Equivalent to 185 /8s, 45 /16s and 11 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 334716
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 278257
Total APNIC prefixes after maximum aggregation: 81423
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 264734
Unique aggregates announced from the APNIC address blocks: 106366
APNIC Region origin ASes present in the Internet Routing Table: 14965
APNIC Prefixes per ASN: 17.69
APNIC Region origin ASes announcing only one prefix: 4566
APNIC Region transit ASes present in the Internet Routing Table: 1978
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10519
Number of APNIC addresses announced to Internet: 754221568
Equivalent to 44 /8s, 244 /16s and 130 /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, 131072-155961
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: 300338
Total ARIN prefixes after maximum aggregation: 134999
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 300613
Unique aggregates announced from the ARIN address blocks: 145664
ARIN Region origin ASes present in the Internet Routing Table: 19370
ARIN Prefixes per ASN: 15.52
ARIN Region origin ASes announcing only one prefix: 7053
ARIN Region transit ASes present in the Internet Routing Table: 1929
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 28
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5420
Number of ARIN addresses announced to Internet: 1343116544
Equivalent to 80 /8s, 14 /16s and 85 /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: 283023
Total RIPE prefixes after maximum aggregation: 139990
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 283883
Unique aggregates announced from the RIPE address blocks: 184021
RIPE Region origin ASes present in the Internet Routing Table: 29124
RIPE Prefixes per ASN: 9.75
RIPE Region origin ASes announcing only one prefix: 12071
RIPE Region transit ASes present in the Internet Routing Table: 3947
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12895
Number of RIPE addresses announced to Internet: 735306112
Equivalent to 43 /8s, 211 /16s and 225 /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: 126031
Total LACNIC prefixes after maximum aggregation: 30630
LACNIC Deaggregation factor: 4.11
Prefixes being announced from the LACNIC address blocks: 121822
Unique aggregates announced from the LACNIC address blocks: 49760
LACNIC Region origin ASes present in the Internet Routing Table: 11335
LACNIC Prefixes per ASN: 10.75
LACNIC Region origin ASes announcing only one prefix: 2684
LACNIC Region transit ASes present in the Internet Routing Table: 2519
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 69
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9333
Number of LACNIC addresses announced to Internet: 170550784
Equivalent to 10 /8s, 42 /16s and 102 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-275868 + 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: 36151
Total AfriNIC prefixes after maximum aggregation: 6917
AfriNIC Deaggregation factor: 5.23
Prefixes being announced from the AfriNIC address blocks: 53090
Unique aggregates announced from the AfriNIC address blocks: 19548
AfriNIC Region origin ASes present in the Internet Routing Table: 2003
AfriNIC Prefixes per ASN: 26.51
AfriNIC Region origin ASes announcing only one prefix: 736
AfriNIC Region transit ASes present in the Internet Routing Table: 389
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 42
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1368
Number of AfriNIC addresses announced to Internet: 103225600
Equivalent to 6 /8s, 39 /16s and 25 /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 13455 8945 104 CHINAMOBILE-CN China Mobile Communication
7545 6037 834 581 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5022 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4655 542 333 BBIL-AP BHARTI Airtel Ltd., IN
7552 4043 1332 29 VIETEL-AS-AP Viettel Group, VN
7713 3729 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones
56046 3389 831 184 CMNET-JIANGSU-AP China Mobile communicati
45899 3330 1868 98 VNPT-AS-VN VNPT Corp, VN
17561 3171 199 637 LCS-AS-AP LARUS Limited, HK
24560 2961 865 500 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
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 14000 38461 5440 AMAZON-02, US
22773 4747 3116 377 ASN-CXA-ALL-CCI-22773-RDC, US
11492 4688 311 948 CABLEONE, US
7155 3861 286 85 VIASAT-SP-BACKBONE, US
6327 3690 1320 82 SHAW, CA
174 3467 8769 862 COGENT-174, US
396982 3316 4867 490 GOOGLE-CLOUD-PLATFORM, US
749 3144 54729 2395 DNIC-AS-00749, US
16625 2844 1218 2134 AKAMAI-AS, US
36352 2703 222 888 AS-COLOCROSSING, 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 7283 1711 149 UNI2-AS, ES
39891 4901 302 70 ALJAWWALSTC-AS, SA
9009 3963 369 2270 M247, RO
20940 3835 3394 122 AKAMAI-ASN1, NL
12389 3175 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical
212238 2560 182 1860 CDNEXT, GB
34984 2421 371 575 TELLCOM-AS, TR
8452 1699 1852 14 TE-AS TE-AS, EG
203020 1617 242 783 HOSTROYALE, IN
13188 1607 100 27 TRIOLAN, UA
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 12640 3277 590 UNINET, MX
10620 3434 457 1108 Telmex Colombia S.A., CO
13999 2488 506 351 Mega Cable, S.A. de C.V., MX
11830 1987 369 65 Instituto Costarricense de Electricidad y
11664 1371 278 33 Techtel LMDS Comunicaciones Interactivas
28573 1369 2429 273 Claro NXT Telecomunicacoes Ltda, BR
3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1259 371 22 Telefonica del Peru S.A.A., PE
22884 1057 67 359 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1011 2486 56 TIM SA, BR
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 1952 484 24 RAYA-AS, EG
36992 1846 1538 335 ETISALAT-MISR, EG
24863 1264 389 16 LINKdotNET-AS, EG
36903 1232 555 98 MT-MPLS, MA
37069 1100 1096 13 MOBINIL, EG
29571 1072 94 22 ORANGE-COTE-IVOIRE, CI
36935 1059 519 31 Vodafone-, EG
20011 580 154 212 NTT-DATA-Inc, ZA
36914 562 82 3 KENET-AS, KE
328608 546 48 160 Africa-on-Cloud-AS, ZA
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 14000 38461 5440 AMAZON-02, US
9808 13455 8945 104 CHINAMOBILE-CN China Mobile Communication
8151 12640 3277 590 UNINET, MX
12479 7283 1711 149 UNI2-AS, ES
7545 6037 834 581 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5022 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4901 302 70 ALJAWWALSTC-AS, SA
22773 4747 3116 377 ASN-CXA-ALL-CCI-22773-RDC, US
11492 4688 311 948 CABLEONE, US
9498 4655 542 333 BBIL-AP BHARTI Airtel Ltd., IN
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 13455 13351 CHINAMOBILE-CN China Mobile Communications Grou
8151 12640 12050 UNINET, MX
12479 7283 7134 UNI2-AS, ES
7545 6037 5456 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5022 4945 ERX-CERNET-BKB China Education and Research Net
39891 4901 4831 ALJAWWALSTC-AS, SA
22773 4747 4370 ASN-CXA-ALL-CCI-22773-RDC, US
9498 4655 4322 BBIL-AP BHARTI Airtel Ltd., IN
7552 4043 4014 VIETEL-AS-AP Viettel Group, VN
7155 3861 3776 VIASAT-SP-BACKBONE, US
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
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US
1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US
54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, US
13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174, US
26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI
396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US
21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4, 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
23.137.48.0/24 Origin: 16904 ARVIG-16904, US
23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US
23.137.200.0/24 Origin: 16276 OVH, FR
23.137.200.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP
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
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, 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 /9:14 /10:41 /11:93 /12:299
/13:580 /14:1200 /15:2094 /16:13717 /17:8308 /18:13587
/19:25066 /20:45680 /21:52654 /22:113608 /23:105994 /24:641118
/25:698 /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
8151 6845 12640 UNINET, MX
12479 6214 7283 UNI2-AS, ES
39891 3587 4901 ALJAWWALSTC-AS, SA
11492 3533 4688 CABLEONE, US
6327 3478 3690 SHAW, CA
22773 3051 4747 ASN-CXA-ALL-CCI-22773-RDC, US
7155 2820 3861 VIASAT-SP-BACKBONE, US
16509 2456 14000 AMAZON-02, US
30036 2323 2666 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2214 3434 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1808 2:1517 3:978 4:10 5:4921 6:185
7:6 8:1523 9:10 11:172 12:1230 13:600
14:2664 15:417 16:274 17:383 18:914 20:587
21:4 22:188 23:8097 24:2562 25:2 27:2741
29:19 31:3394 32:32 33:1 34:81 35:290
36:4623 37:4526 38:10394 39:1220 40:437 41:4531
42:963 43:2871 44:411 45:19612 46:5060 47:397
49:2154 50:2057 51:598 52:1257 54:225 55:1129
56:11 57:311 58:2220 59:1408 60:1172 61:3063
62:3107 63:1761 64:5994 65:2124 66:5937 67:3235
68:1504 69:4200 70:1033 71:619 72:3082 74:2930
75:1516 76:601 77:2750 78:1928 79:1797 80:2317
81:2095 82:3939 83:1473 84:2030 85:3651 86:1099
87:2350 88:1362 89:4627 90:836 91:8432 92:2831
93:3001 94:4278 95:4550 96:1434 97:313 98:957
99:782 100:68 101:1269 102:4337 103:32293 104:5466
105:762 106:921 107:2815 108:1223 109:4263 110:2308
111:4054 112:2834 113:1684 114:2097 115:2240 116:2157
117:3180 118:2487 119:2110 120:2452 121:1566 122:2961
123:2286 124:1675 125:2968 126:125 128:1587 129:966
130:1547 131:2247 132:762 133:462 134:1640 135:539
136:1500 137:1274 138:3010 139:1589 140:1831 141:1560
142:2437 143:2135 144:1366 145:626 146:2192 147:2139
148:2787 149:2912 150:1314 151:2574 152:2262 153:820
154:9541 155:2274 156:4759 157:2243 158:1474 159:2733
160:3649 161:1993 162:3988 163:2325 164:1961 165:2641
166:1312 167:2199 168:3924 169:812 170:5458 171:1119
172:4529 173:3424 174:903 175:1343 176:3788 177:4734
178:4317 179:2292 180:2849 181:4357 182:3871 183:2459
184:2051 185:21690 186:5530 187:4778 188:4536 189:4465
190:9673 191:1536 192:11446 193:9522 194:7872 195:5664
196:3270 197:3199 198:6231 199:6110 200:8225 201:6381
202:10710 203:10528 204:4674 205:3770 206:4435 207:3956
208:4353 209:5503 210:4983 211:2774 212:4945 213:4039
214:1063 215:54 216:7111 217:3456 218:1662 219:581
220:2190 221:1295 222:917 223:3255
End of report
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