[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Sep 4 18:05:41 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 05 Sep, 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: 1074210
Prefixes after maximum aggregation (per Origin AS): 412542
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 530762
Number of IPv4 prefixes with a valid ROA: 742502
Number of IPv4 prefixes with an invalid ROA: 1523
Number of IPv4 prefixes with no ROA: 330185
Total ASes present in the Internet Routing Table: 79257
Prefixes per ASN: 13.55
Origin-only ASes present in the Internet Routing Table: 68122
Origin ASes announcing only one prefix: 27797
Transit ASes present in the Internet Routing Table: 11135
Transit-only ASes present in the Internet Routing Table: 598
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: 1211
Number of instances of unregistered ASNs: 1230
Number of 32-bit ASNs allocated by the RIRs: 51138
Number of 32-bit ASNs visible in the Routing Table: 41579
Prefixes from 32-bit ASNs in the Routing Table: 240199
Number of bogon 32-bit ASNs visible in the Routing Table: 58
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 528
Number of addresses announced to Internet: 3125019904
Equivalent to 186 /8s, 68 /16s and 5 /24s
Percentage of available address space announced: 84.4
Percentage of allocated address space announced: 84.4
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: 352976
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 293317
Total APNIC prefixes after maximum aggregation: 85868
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 280384
Unique aggregates announced from the APNIC address blocks: 109937
APNIC Region origin ASes present in the Internet Routing Table: 15379
APNIC Prefixes per ASN: 18.23
APNIC Region origin ASes announcing only one prefix: 4767
APNIC Region transit ASes present in the Internet Routing Table: 2021
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10964
Number of APNIC addresses announced to Internet: 749702272
Equivalent to 44 /8s, 175 /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: 311367
Total ARIN prefixes after maximum aggregation: 139244
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 309608
Unique aggregates announced from the ARIN address blocks: 151568
ARIN Region origin ASes present in the Internet Routing Table: 19510
ARIN Prefixes per ASN: 15.87
ARIN Region origin ASes announcing only one prefix: 7163
ARIN Region transit ASes present in the Internet Routing Table: 1916
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5763
Number of ARIN addresses announced to Internet: 1353585152
Equivalent to 80 /8s, 174 /16s and 18 /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, 393216-404380
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: 298559
Total RIPE prefixes after maximum aggregation: 148169
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 303859
Unique aggregates announced from the RIPE address blocks: 198560
RIPE Region origin ASes present in the Internet Routing Table: 29825
RIPE Prefixes per ASN: 10.19
RIPE Region origin ASes announcing only one prefix: 12332
RIPE Region transit ASes present in the Internet Routing Table: 4060
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 13836
Number of RIPE addresses announced to Internet: 749621376
Equivalent to 44 /8s, 174 /16s and 80 /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
196608-219547
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: 131805
Total LACNIC prefixes after maximum aggregation: 31505
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 125861
Unique aggregates announced from the LACNIC address blocks: 51409
LACNIC Region origin ASes present in the Internet Routing Table: 11497
LACNIC Prefixes per ASN: 10.95
LACNIC Region origin ASes announcing only one prefix: 2770
LACNIC Region transit ASes present in the Internet Routing Table: 2600
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 69
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9573
Number of LACNIC addresses announced to Internet: 167987968
Equivalent to 10 /8s, 3 /16s and 75 /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: 37951
Total AfriNIC prefixes after maximum aggregation: 7043
AfriNIC Deaggregation factor: 5.39
Prefixes being announced from the AfriNIC address blocks: 53970
Unique aggregates announced from the AfriNIC address blocks: 18854
AfriNIC Region origin ASes present in the Internet Routing Table: 2080
AfriNIC Prefixes per ASN: 25.95
AfriNIC Region origin ASes announcing only one prefix: 765
AfriNIC Region transit ASes present in the Internet Routing Table: 376
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 54
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1443
Number of AfriNIC addresses announced to Internet: 103840000
Equivalent to 6 /8s, 48 /16s and 121 /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 14089 8919 101 CHINAMOBILE-CN - China Mobile Communicati
9498 5099 561 347 BBIL-AP - BHARTI Airtel Ltd., IN
4538 5067 4192 74 ERX-CERNET-BKB - China Education and Rese
18403 4648 347 24 FPT-VN - FPT Telecom Company, VN
7545 4633 825 315 TPG-INTERNET-AP - TPG Telecom Limited, AU
7552 4069 1331 24 VIETEL-AS-AP - Viettel Group, VN
56046 3625 887 178 CMNET-Jiangsu-AP - China Mobile communica
7713 3574 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon
45899 3403 1868 99 VNPT-AS-VN - VNPT Corp, VN
140292 3243 341 1858 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK -
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 16508 42645 5651 AMAZON-02 - Amazon.com, Inc., US
22773 4858 3137 419 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4611 306 1131 CABLEONE - CABLE ONE, INC., US
7155 3999 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US
6327 3751 1305 75 SHAW - Shaw Communications, CA
396982 3468 4857 554 GOOGLE-CLOUD-PLATFORM - Google LLC, US
36352 3176 237 1113 AS-COLOCROSSING - HostPapa, US
749 3132 54647 2383 DNIC-AS-00749 - United States Department
7029 2808 2583 893 WINDSTREAM - Windstream Communications LL
31898 2728 1354 1151 ORACLE-BMC-31898 - Oracle Corporation, 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 6955 1711 150 UNI2-AS - Orange Espagne SA, ES
39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS
9009 4212 376 2559 M247 - M247 Europe SRL, RO
20940 3899 3388 104 AKAMAI-ASN1 - Akamai International B.V.,
212238 3591 260 2714 CDNEXT - Datacamp Limited, GB
12389 3159 2331 866 ROSTELECOM-AS - PJSC Rostelecom, RU
34984 2529 371 594 TELLCOM-AS - Superonline Iletisim Hizmetl
29355 2523 154 27 KCELL-AS - Kcell JSC, KZ
44559 1904 119 930 ITHOSTLINE - IT HOSTLINE LTD, CY
3257 1758 2088 997 GTT-BACKBONE - GTT Communications Inc., U
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 13143 3305 611 AS8151 - UNINET, MX
10620 3411 443 1115 AS10620 - Telmex Colombia S.A., CO
13999 2245 495 327 AS13999 - Mega Cable, S.A. de C.V., MX
11830 1872 369 65 AS11830 - Instituto Costarricense de Elec
11664 1505 277 34 AS11664 - Techtel LMDS Comunicaciones Int
28573 1377 2431 274 AS28573 - Claro NXT Telecomunicacoes Ltda
3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A.
6147 1196 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE
27715 1106 77 58 AS27715 - Locaweb Servicos de Internet S/
22884 1099 70 384 AS22884 - TOTAL PLAY TELECOMUNICACIONES,
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 1979 509 28 Vodafone Data - Vodafone Data, EG
36992 1929 1543 328 ETISALAT MISR - ETISALAT MISR, EG
24863 1398 389 16 Link Egypt (Link.NET) - Link Egypt (Link.
36903 1352 588 105 Office National des Postes et Telecommuni
36935 1286 523 49 Vodafone Data - Vodafone Data, EG
37069 1128 1100 11 The Egyptian Company for Mobile Services
29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv
15399 562 58 63 Wananchi Group (Kenya) Limited - Wananchi
36914 553 82 3 Kenya Education Network - Kenya Education
20011 543 159 176 Dimension Data - Dimension Data, 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 16508 42645 5651 AMAZON-02 - Amazon.com, Inc., US
9808 14089 8919 101 CHINAMOBILE-CN - China Mobile Communicati
8151 13143 3305 611 AS8151 - UNINET, MX
12479 6955 1711 150 UNI2-AS - Orange Espagne SA, ES
9498 5099 561 347 BBIL-AP - BHARTI Airtel Ltd., IN
4538 5067 4192 74 ERX-CERNET-BKB - China Education and Rese
39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS
22773 4858 3137 419 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
18403 4648 347 24 FPT-VN - FPT Telecom Company, VN
7545 4633 825 315 TPG-INTERNET-AP - TPG Telecom Limited, AU
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 14089 13988 CHINAMOBILE-CN - China Mobile Communications Gr
8151 13143 12532 AS8151 - UNINET, MX
12479 6955 6805 UNI2-AS - Orange Espagne SA, ES
4538 5067 4993 ERX-CERNET-BKB - China Education and Research N
39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA
9498 5099 4752 BBIL-AP - BHARTI Airtel Ltd., IN
18403 4648 4624 FPT-VN - FPT Telecom Company, VN
22773 4858 4439 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 4633 4318 TPG-INTERNET-AP - TPG Telecom Limited, AU
7552 4069 4045 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
394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent
395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Com
396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent
397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent
396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent
396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent
395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent
397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent
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
23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US
23.130.160.0/24 Transit: 2516 KDDI - KDDI CORPORATION, JP
23.131.100.0/24 Origin: 401541 UNASSIGNED
23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu
23.131.156.0/24 Origin: 401541 UNASSIGNED
23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu
23.131.212.0/24 Origin: 401541 UNASSIGNED
23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu
23.133.212.0/24 Origin: 18604 UNASSIGNED
23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C
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 /10:39 /11:97 /12:299
/13:592 /14:1192 /15:2132 /16:13776 /17:8362 /18:13407
/19:25760 /20:46979 /21:54188 /22:114172 /23:111388 /24:681099
/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 7310 13143 AS8151 - UNINET, MX
12479 5881 6955 UNI2-AS - Orange Espagne SA, ES
39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA
6327 3528 3751 SHAW - Shaw Communications, CA
11492 3517 4611 CABLEONE - CABLE ONE, INC., US
16509 3202 16508 AMAZON-02 - Amazon.com, Inc., US
22773 3106 4858 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
7155 2952 3999 VIASAT-SP-BACKBONE - ViaSat,Inc., US
10620 2246 3411 AS10620 - Telmex Colombia S.A., CO
30036 2188 2536 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2743 2:2928 3:1195 4:5 5:5310 6:215
7:6 8:1371 9:99 11:172 12:1098 13:940
14:2725 15:488 16:271 17:463 18:1085 20:602
21:4 22:188 23:8602 24:2792 25:2 27:2874
28:7 29:19 31:3893 32:36 34:95 35:296
36:4928 37:4476 38:10399 39:1417 40:449 41:4653
42:2260 43:3418 44:506 45:19864 46:5029 47:464
48:171 49:2310 50:2025 51:944 52:1386 54:331
55:1076 56:11 57:336 58:2550 59:1448 60:1198
61:3308 62:3182 63:1703 64:6638 65:2184 66:6315
67:3338 68:1314 69:4131 70:1057 71:603 72:3282
74:3151 75:1615 76:594 77:2951 78:2149 79:1871
80:2409 81:2301 82:4370 83:1499 84:2145 85:3923
86:1140 87:3057 88:1338 89:4883 90:771 91:8535
92:2767 93:3055 94:4642 95:4797 96:1459 97:307
98:939 99:1004 100:65 101:1370 102:4739 103:32466
104:5723 105:928 106:930 107:3010 108:1509 109:3974
110:2240 111:4294 112:3152 113:1957 114:2604 115:2249
116:2119 117:3883 118:2941 119:2124 120:2876 121:1887
122:3086 123:2235 124:1740 125:3016 126:156 128:1596
129:977 130:1755 131:2554 132:895 133:486 134:1795
135:676 136:1590 137:1471 138:3454 139:1813 140:1938
141:1846 142:2673 143:2278 144:1898 145:710 146:2225
147:2380 148:2900 149:3643 150:1430 151:3036 152:2444
153:2100 154:9144 155:2379 156:4101 157:2459 158:1653
159:2939 160:4081 161:2103 162:4235 163:2721 164:2419
165:2784 166:1253 167:2401 168:4265 169:957 170:5636
171:1131 172:4940 173:3472 174:894 175:1426 176:4050
177:5560 178:4652 179:2758 180:3422 181:4677 182:4073
183:2883 184:2067 185:22011 186:6597 187:5819 188:4790
189:4816 190:10017 191:1878 192:11860 193:9643 194:7976
195:5994 196:3405 197:3245 198:6375 199:6149 200:8479
201:6881 202:10797 203:10588 204:4763 205:3801 206:4467
207:4131 208:4319 209:5565 210:4901 211:2810 212:5311
213:4149 214:1029 215:50 216:7343 217:3783 218:1989
219:588 220:2243 221:1468 222:1172 223:3626
End of report
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