[lacnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora en apnic.net
Vie Ene 9 15:03:25 -03 2026
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 10 Jan, 2026
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: 1025443
Prefixes after maximum aggregation (per Origin AS): 394973
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 506424
Number of IPv4 prefixes with a valid ROA: 605311
Number of IPv4 prefixes with an invalid ROA: 1586
Number of IPv4 prefixes with no ROA: 418546
Total ASes present in the Internet Routing Table: 77728
Prefixes per ASN: 13.19
Origin-only ASes present in the Internet Routing Table: 66825
Origin ASes announcing only one prefix: 27138
Transit ASes present in the Internet Routing Table: 10903
Transit-only ASes present in the Internet Routing Table: 544
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 209
Max AS path prepend of ASN (214570) 200
Prefixes from unregistered ASNs in the Routing Table: 1049
Number of instances of unregistered ASNs: 1088
Number of 32-bit ASNs allocated by the RIRs: 48334
Number of 32-bit ASNs visible in the Routing Table: 39604
Prefixes from 32-bit ASNs in the Routing Table: 220007
Number of bogon 32-bit ASNs visible in the Routing Table: 111
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 548
Number of addresses announced to Internet: 3105219968
Equivalent to 185 /8s, 21 /16s and 229 /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: 334883
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 278715
Total APNIC prefixes after maximum aggregation: 81622
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 265389
Unique aggregates announced from the APNIC address blocks: 106701
APNIC Region origin ASes present in the Internet Routing Table: 14987
APNIC Prefixes per ASN: 17.71
APNIC Region origin ASes announcing only one prefix: 4568
APNIC Region transit ASes present in the Internet Routing Table: 1976
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: 10544
Number of APNIC addresses announced to Internet: 753960192
Equivalent to 44 /8s, 240 /16s and 133 /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: 300830
Total ARIN prefixes after maximum aggregation: 135088
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 300871
Unique aggregates announced from the ARIN address blocks: 145724
ARIN Region origin ASes present in the Internet Routing Table: 19370
ARIN Prefixes per ASN: 15.53
ARIN Region origin ASes announcing only one prefix: 7055
ARIN Region transit ASes present in the Internet Routing Table: 1925
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5434
Number of ARIN addresses announced to Internet: 1343361792
Equivalent to 80 /8s, 18 /16s and 19 /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: 282649
Total RIPE prefixes after maximum aggregation: 139995
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 283878
Unique aggregates announced from the RIPE address blocks: 184182
RIPE Region origin ASes present in the Internet Routing Table: 29130
RIPE Prefixes per ASN: 9.75
RIPE Region origin ASes announcing only one prefix: 12090
RIPE Region transit ASes present in the Internet Routing Table: 3928
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 209
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12914
Number of RIPE addresses announced to Internet: 733725568
Equivalent to 43 /8s, 187 /16s and 195 /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: 125894
Total LACNIC prefixes after maximum aggregation: 30619
LACNIC Deaggregation factor: 4.11
Prefixes being announced from the LACNIC address blocks: 121689
Unique aggregates announced from the LACNIC address blocks: 49757
LACNIC Region origin ASes present in the Internet Routing Table: 11343
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2684
LACNIC Region transit ASes present in the Internet Routing Table: 2526
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 69
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9341
Number of LACNIC addresses announced to Internet: 170609664
Equivalent to 10 /8s, 43 /16s and 76 /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: 36306
Total AfriNIC prefixes after maximum aggregation: 6941
AfriNIC Deaggregation factor: 5.23
Prefixes being announced from the AfriNIC address blocks: 53068
Unique aggregates announced from the AfriNIC address blocks: 19583
AfriNIC Region origin ASes present in the Internet Routing Table: 2010
AfriNIC Prefixes per ASN: 26.40
AfriNIC Region origin ASes announcing only one prefix: 741
AfriNIC Region transit ASes present in the Internet Routing Table: 388
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 58
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1371
Number of AfriNIC addresses announced to Internet: 103223808
Equivalent to 6 /8s, 39 /16s and 18 /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 13488 8945 102 CHINAMOBILE-CN China Mobile Communication
7545 6030 833 576 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5022 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4686 543 336 BBIL-AP BHARTI Airtel Ltd., IN
7552 4057 1332 29 VIETEL-AS-AP Viettel Group, VN
7713 3731 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones
56046 3408 831 184 CMNET-JIANGSU-AP China Mobile communicati
45899 3332 1868 98 VNPT-AS-VN VNPT Corp, VN
17561 3164 199 624 LCS-AS-AP LARUS Limited, HK
24560 2959 865 502 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 14151 38565 5437 AMAZON-02, US
22773 4775 3116 367 ASN-CXA-ALL-CCI-22773-RDC, US
11492 4634 308 1032 CABLEONE, US
7155 3861 286 85 VIASAT-SP-BACKBONE, US
6327 3696 1321 70 SHAW, CA
396982 3324 4867 492 GOOGLE-CLOUD-PLATFORM, US
174 3208 8769 852 COGENT-174, US
749 3143 54729 2394 DNIC-AS-00749, US
16625 2834 1216 2125 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 7266 1711 149 UNI2-AS, ES
39891 4969 306 72 ALJAWWALSTC-AS, SA
9009 3920 367 2246 M247, RO
20940 3832 3393 111 AKAMAI-ASN1, NL
12389 3175 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical
212238 2567 182 1864 CDNEXT, GB
34984 2424 372 576 TELLCOM-AS, TR
8452 1709 1852 14 TE-AS TE-AS, EG
203020 1620 243 799 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 12704 3307 595 UNINET, MX
10620 3434 457 1108 Telmex Colombia S.A., CO
13999 2485 507 353 Mega Cable, S.A. de C.V., MX
11830 1991 369 65 Instituto Costarricense de Electricidad y
28573 1376 2433 265 Claro NXT Telecomunicacoes Ltda, BR
11664 1365 278 33 Techtel LMDS Comunicaciones Interactivas
3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1260 371 22 Telefonica del Peru S.A.A., PE
22884 1057 67 359 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1014 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 1982 638 33 RAYA-AS, EG
36992 1849 1534 341 ETISALAT-MISR, EG
24863 1266 389 16 LINKdotNET-AS, EG
36903 1232 555 98 MT-MPLS, MA
36935 1110 524 47 Vodafone-, EG
37069 1100 1096 13 MOBINIL, EG
29571 1072 94 22 ORANGE-COTE-IVOIRE, CI
20011 580 154 212 NTT-DATA-Inc, ZA
328608 568 48 164 Africa-on-Cloud-AS, ZA
36914 567 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 14151 38565 5437 AMAZON-02, US
9808 13488 8945 102 CHINAMOBILE-CN China Mobile Communication
8151 12704 3307 595 UNINET, MX
12479 7266 1711 149 UNI2-AS, ES
7545 6030 833 576 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5022 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4969 306 72 ALJAWWALSTC-AS, SA
22773 4775 3116 367 ASN-CXA-ALL-CCI-22773-RDC, US
9498 4686 543 336 BBIL-AP BHARTI Airtel Ltd., IN
11492 4634 308 1032 CABLEONE, 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 13488 13386 CHINAMOBILE-CN China Mobile Communications Grou
8151 12704 12109 UNINET, MX
12479 7266 7117 UNI2-AS, ES
7545 6030 5454 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5022 4945 ERX-CERNET-BKB China Education and Research Net
39891 4969 4897 ALJAWWALSTC-AS, SA
22773 4775 4408 ASN-CXA-ALL-CCI-22773-RDC, US
9498 4686 4350 BBIL-AP BHARTI Airtel Ltd., IN
7552 4057 4028 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
395476 UNALLOCATED 12.36.194.0/24 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 /10:40 /11:93 /12:302
/13:579 /14:1197 /15:2091 /16:13708 /17:8312 /18:13590
/19:25093 /20:45670 /21:52599 /22:113644 /23:106014 /24:641786
/25:695 /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 6879 12704 UNINET, MX
12479 6197 7266 UNI2-AS, ES
39891 3655 4969 ALJAWWALSTC-AS, SA
11492 3497 4634 CABLEONE, US
6327 3478 3696 SHAW, CA
22773 3046 4775 ASN-CXA-ALL-CCI-22773-RDC, US
7155 2820 3861 VIASAT-SP-BACKBONE, US
16509 2499 14151 AMAZON-02, US
30036 2307 2648 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)
----------------------------------------------
1:1824 2:1500 3:988 4:9 5:4951 6:187
7:6 8:1528 9:15 11:172 12:1234 13:625
14:2672 15:419 16:275 17:389 18:917 20:594
21:4 22:188 23:8138 24:2624 25:2 27:2744
29:19 31:3404 32:32 34:81 35:290 36:4618
37:4494 38:9918 39:1239 40:437 41:4522 42:967
43:2904 44:414 45:19646 46:4993 47:397 49:2156
50:2050 51:599 52:1257 54:232 55:1118 56:11
57:313 58:2219 59:1419 60:1172 61:3065 62:3102
63:1774 64:6124 65:2140 66:6013 67:3258 68:1504
69:4218 70:1031 71:619 72:3077 74:2974 75:1517
76:603 77:2761 78:1935 79:1786 80:2309 81:2079
82:3981 83:1475 84:2034 85:3682 86:1100 87:2360
88:1357 89:4606 90:826 91:8419 92:2838 93:3012
94:4240 95:4531 96:1439 97:313 98:959 99:789
100:69 101:1264 102:4348 103:32336 104:5465 105:772
106:908 107:2815 108:1219 109:4233 110:2308 111:4079
112:2969 113:1696 114:2102 115:2237 116:2159 117:3256
118:2482 119:2106 120:2463 121:1570 122:2971 123:2298
124:1677 125:2980 126:125 128:1583 129:983 130:1553
131:2257 132:771 133:461 134:1635 135:538 136:1611
137:1288 138:2975 139:1596 140:1831 141:1561 142:2446
143:2143 144:1407 145:627 146:2198 147:2162 148:2785
149:2912 150:1315 151:2594 152:2256 153:848 154:9645
155:2313 156:4624 157:2239 158:1487 159:2740 160:3646
161:1987 162:3989 163:2320 164:1967 165:2646 166:1309
167:2197 168:3926 169:812 170:5424 171:1117 172:4553
173:3427 174:896 175:1346 176:3776 177:4720 178:4238
179:2300 180:2846 181:4346 182:3884 183:2490 184:2020
185:21701 186:5497 187:4790 188:4602 189:4475 190:9663
191:1525 192:11462 193:9514 194:7839 195:5693 196:3265
197:3195 198:6241 199:6111 200:8176 201:6388 202:10797
203:10518 204:4692 205:3756 206:4401 207:3980 208:4360
209:5512 210:4988 211:2780 212:4939 213:4040 214:1061
215:54 216:7135 217:3458 218:1672 219:583 220:2190
221:1304 222:917 223:3263
End of report
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