[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Mar 13 18:03:37 UTC 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 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 Mar, 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: 1041281
Prefixes after maximum aggregation (per Origin AS): 398949
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 511637
Number of IPv4 prefixes with a valid ROA: 622613
Number of IPv4 prefixes with an invalid ROA: 1402
Number of IPv4 prefixes with no ROA: 417266
Total ASes present in the Internet Routing Table: 78116
Prefixes per ASN: 13.33
Origin-only ASes present in the Internet Routing Table: 67130
Origin ASes announcing only one prefix: 27287
Transit ASes present in the Internet Routing Table: 10986
Transit-only ASes present in the Internet Routing Table: 563
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: 1084
Number of instances of unregistered ASNs: 1126
Number of 32-bit ASNs allocated by the RIRs: 48956
Number of 32-bit ASNs visible in the Routing Table: 40095
Prefixes from 32-bit ASNs in the Routing Table: 224710
Number of bogon 32-bit ASNs visible in the Routing Table: 122
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 408
Number of addresses announced to Internet: 3108232320
Equivalent to 185 /8s, 67 /16s and 220 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 338608
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 285387
Total APNIC prefixes after maximum aggregation: 82256
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 272475
Unique aggregates announced from the APNIC address blocks: 107001
APNIC Region origin ASes present in the Internet Routing Table: 15148
APNIC Prefixes per ASN: 17.99
APNIC Region origin ASes announcing only one prefix: 4651
APNIC Region transit ASes present in the Internet Routing Table: 1997
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10688
Number of APNIC addresses announced to Internet: 752848000
Equivalent to 44 /8s, 223 /16s and 140 /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: 305157
Total ARIN prefixes after maximum aggregation: 137339
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 303832
Unique aggregates announced from the ARIN address blocks: 147120
ARIN Region origin ASes present in the Internet Routing Table: 19395
ARIN Prefixes per ASN: 15.67
ARIN Region origin ASes announcing only one prefix: 7069
ARIN Region transit ASes present in the Internet Routing Table: 1924
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5501
Number of ARIN addresses announced to Internet: 1349063680
Equivalent to 80 /8s, 105 /16s and 20 /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: 285527
Total RIPE prefixes after maximum aggregation: 141031
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 288229
Unique aggregates announced from the RIPE address blocks: 187413
RIPE Region origin ASes present in the Internet Routing Table: 29307
RIPE Prefixes per ASN: 9.83
RIPE Region origin ASes announcing only one prefix: 12155
RIPE Region transit ASes present in the Internet Routing Table: 3975
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 13156
Number of RIPE addresses announced to Internet: 732425344
Equivalent to 43 /8s, 167 /16s and 236 /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: 127296
Total LACNIC prefixes after maximum aggregation: 30669
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 123041
Unique aggregates announced from the LACNIC address blocks: 50183
LACNIC Region origin ASes present in the Internet Routing Table: 11355
LACNIC Prefixes per ASN: 10.84
LACNIC Region origin ASes announcing only one prefix: 2678
LACNIC Region transit ASes present in the Internet Routing Table: 2533
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: 9369
Number of LACNIC addresses announced to Internet: 170366080
Equivalent to 10 /8s, 39 /16s and 148 /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: 36830
Total AfriNIC prefixes after maximum aggregation: 6960
AfriNIC Deaggregation factor: 5.29
Prefixes being announced from the AfriNIC address blocks: 53296
Unique aggregates announced from the AfriNIC address blocks: 19560
AfriNIC Region origin ASes present in the Internet Routing Table: 2016
AfriNIC Prefixes per ASN: 26.44
AfriNIC Region origin ASes announcing only one prefix: 734
AfriNIC Region transit ASes present in the Internet Routing Table: 390
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 53
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1381
Number of AfriNIC addresses announced to Internet: 103333376
Equivalent to 6 /8s, 40 /16s and 190 /24s
AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 13819 8945 105 CHINAMOBILE-CN China Mobile Communication
7545 5974 830 524 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5027 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4869 548 321 BBIL-AP BHARTI Airtel Ltd., IN
18403 4552 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 4021 1332 29 VIETEL-AS-AP Viettel Group, VN
7713 3676 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones
56046 3466 887 178 CMNET-JIANGSU-AP China Mobile communicati
45899 3344 1868 99 VNPT-AS-VN VNPT Corp, VN
24560 3009 865 516 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 14467 41235 5560 AMAZON-02 - Amazon.com, Inc., US
22773 4780 3118 369 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4647 308 1020 CABLEONE - CABLE ONE, INC., US
7155 3861 286 85 VIASAT-SP-BACKBONE - ViaSat,Inc., US
6327 3708 1321 75 SHAW - Shaw Communications, CA
396982 3290 4856 485 GOOGLE-CLOUD-PLATFORM - Google LLC, US
174 3271 8767 853 COGENT-174 - Cogent Communications, LLC,
749 3141 54728 2392 DNIC-AS-00749 - United States Department
36352 2700 221 890 AS-COLOCROSSING - HostPapa, US
16625 2690 1172 2088 AKAMAI-AS - Akamai Technologies, Inc., 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 7203 1711 149 UNI2-AS, ES
39891 4969 306 72 ALJAWWALSTC-AS, SA
9009 3833 356 2248 M247, RO
20940 3827 3393 113 AKAMAI-ASN1, NL
12389 3174 2321 868 ROSTELECOM-AS PJSC Rostelecom. Technical
212238 2670 193 1957 CDNEXT, GB
34984 2463 366 569 TELLCOM-AS, TR
8452 1701 1852 17 TE-AS TE-AS, EG
203020 1609 243 787 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 12806 3302 595 UNINET, MX
10620 3453 458 1104 Telmex Colombia S.A., CO
13999 2455 506 346 Mega Cable, S.A. de C.V., MX
11830 1956 369 65 Instituto Costarricense de Electricidad y
11664 1453 278 33 Techtel LMDS Comunicaciones Interactivas
28573 1371 2430 272 Claro NXT Telecomunicacoes Ltda, BR
3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1234 371 22 INTEGRATEL PERU S.A.A., PE
26615 1057 2475 94 TIM SA, BR
22884 1055 66 357 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 2044 648 34 RAYA-AS, EG
36992 1845 1531 336 ETISALAT-MISR, EG
24863 1288 389 16 LINKdotNET-AS, EG
36903 1232 555 98 MT-MPLS, MA
36935 1229 521 44 Vodafone-, EG
37069 1109 1100 11 MOBINIL, EG
29571 1072 78 20 ORANGE-COTE-IVOIRE, CI
20011 580 154 212 NTT-DATA-Inc, ZA
36914 552 82 3 KENET-AS, KE
15399 549 56 55 WANANCHI-, 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 14467 41235 5560 AMAZON-02 - Amazon.com, Inc., US
9808 13819 8945 105 CHINAMOBILE-CN China Mobile Communication
8151 12806 3302 595 UNINET, MX
12479 7203 1711 149 UNI2-AS, ES
7545 5974 830 524 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5027 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4969 306 72 ALJAWWALSTC-AS, SA
9498 4869 548 321 BBIL-AP BHARTI Airtel Ltd., IN
22773 4780 3118 369 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4647 308 1020 CABLEONE - CABLE ONE, INC., 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 13819 13714 CHINAMOBILE-CN China Mobile Communications Grou
8151 12806 12211 UNINET, MX
12479 7203 7054 UNI2-AS, ES
7545 5974 5450 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5027 4950 ERX-CERNET-BKB China Education and Research Net
39891 4969 4897 ALJAWWALSTC-AS, SA
9498 4869 4548 BBIL-AP BHARTI Airtel Ltd., IN
18403 4552 4527 FPT-AS-AP FPT Telecom Company, VN
22773 4780 4411 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 4021 3992 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
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887 - C
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos
395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent
1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent
13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174 - Cogent Com
26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI
396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En
397665 UNALLOCATED 12.24.28.0/24 7018 ATT-INTERNET4 - AT&T En
395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En
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 - Hurricane Electric LLC, 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 - Arvig Enterprises Inc., 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 - DataWagon LLC, US
23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, 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 /11:95 /12:297
/13:582 /14:1190 /15:2097 /16:13649 /17:8374 /18:13378
/19:25664 /20:46928 /21:52902 /22:114226 /23:107820 /24:653317
/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
8151 6969 12806 UNINET, MX
12479 6140 7203 UNI2-AS, ES
39891 3655 4969 ALJAWWALSTC-AS, SA
11492 3507 4647 CABLEONE - CABLE ONE, INC., US
6327 3488 3708 SHAW - Shaw Communications, CA
22773 3048 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US
16509 2587 14467 AMAZON-02 - Amazon.com, Inc., US
30036 2316 2664 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US
10620 2233 3453 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2521 2:1595 3:996 4:5 5:5124 6:196
7:6 8:1521 9:29 11:172 12:1198 13:644
14:2710 15:459 16:167 17:420 18:918 20:603
21:4 22:188 23:8150 24:2858 25:2 27:2755
29:19 31:3417 32:31 34:87 35:295 36:4621
37:4460 38:9967 39:1269 40:419 41:4538 42:2082
43:2969 44:442 45:19944 46:4913 47:411 48:89
49:2200 50:2074 51:602 52:1307 54:279 55:1095
56:11 57:321 58:2421 59:1436 60:1175 61:3114
62:3120 63:1761 64:6263 65:2118 66:6024 67:3262
68:1501 69:4223 70:1048 71:616 72:3121 74:2997
75:1496 76:591 77:2845 78:1913 79:1792 80:2352
81:2218 82:4017 83:1445 84:2050 85:3812 86:1103
87:2421 88:1357 89:4718 90:798 91:8439 92:2838
93:3011 94:4324 95:4630 96:1445 97:314 98:949
99:800 100:68 101:1349 102:4476 103:32452 104:5484
105:814 106:925 107:2860 108:1234 109:4226 110:2295
111:4128 112:3159 113:1982 114:2186 115:2228 116:2177
117:3431 118:2955 119:2106 120:2710 121:1573 122:3006
123:2265 124:1693 125:3007 126:125 128:1676 129:974
130:1601 131:2480 132:805 133:463 134:1651 135:586
136:1599 137:1428 138:3170 139:1634 140:1844 141:1591
142:2561 143:2149 144:1735 145:630 146:2208 147:2155
148:2734 149:3060 150:1332 151:2696 152:2257 153:953
154:9540 155:2306 156:4382 157:2258 158:1503 159:2773
160:3826 161:1948 162:4022 163:2392 164:2035 165:2623
166:1303 167:2251 168:4006 169:896 170:5558 171:1105
172:4594 173:3472 174:886 175:1350 176:3828 177:4908
178:4333 179:2302 180:3022 181:4449 182:4012 183:2818
184:2014 185:21796 186:5720 187:5004 188:4563 189:4502
190:9747 191:1589 192:11521 193:9610 194:7855 195:5740
196:3314 197:3245 198:6277 199:6125 200:8241 201:6416
202:10898 203:10559 204:4754 205:3806 206:4547 207:4034
208:4380 209:5455 210:5002 211:2779 212:5019 213:4111
214:1051 215:46 216:7269 217:3546 218:1732 219:589
220:2159 221:1314 222:1077 223:3343
End of report
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