[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Sep 25 18:04:30 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 26 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: 1076628
Prefixes after maximum aggregation (per Origin AS): 414791
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 535035
Number of IPv4 prefixes with a valid ROA: 467595
Number of IPv4 prefixes with an invalid ROA: 1675
Number of IPv4 prefixes with no ROA: 607358
Total ASes present in the Internet Routing Table: 79357
Prefixes per ASN: 13.57
Origin-only ASes present in the Internet Routing Table: 68213
Origin ASes announcing only one prefix: 27851
Transit ASes present in the Internet Routing Table: 11144
Transit-only ASes present in the Internet Routing Table: 594
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 54
Max AS path prepend of ASN (152764) 50
Prefixes from unregistered ASNs in the Routing Table: 1127
Number of instances of unregistered ASNs: 1137
Number of 32-bit ASNs allocated by the RIRs: 51398
Number of 32-bit ASNs visible in the Routing Table: 41742
Prefixes from 32-bit ASNs in the Routing Table: 242063
Number of bogon 32-bit ASNs visible in the Routing Table: 42
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 526
Number of addresses announced to Internet: 3127397632
Equivalent to 186 /8s, 104 /16s and 77 /24s
Percentage of available address space announced: 84.5
Percentage of allocated address space announced: 84.5
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: 355105
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 290513
Total APNIC prefixes after maximum aggregation: 86530
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 277815
Unique aggregates announced from the APNIC address blocks: 110792
APNIC Region origin ASes present in the Internet Routing Table: 15413
APNIC Prefixes per ASN: 18.02
APNIC Region origin ASes announcing only one prefix: 4770
APNIC Region transit ASes present in the Internet Routing Table: 2018
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 54
Number of APNIC region 32-bit ASNs visible in the Routing Table: 11006
Number of APNIC addresses announced to Internet: 750106752
Equivalent to 44 /8s, 181 /16s and 184 /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: 315346
Total ARIN prefixes after maximum aggregation: 139852
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 313049
Unique aggregates announced from the ARIN address blocks: 153353
ARIN Region origin ASes present in the Internet Routing Table: 19499
ARIN Prefixes per ASN: 16.05
ARIN Region origin ASes announcing only one prefix: 7169
ARIN Region transit ASes present in the Internet Routing Table: 1921
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: 5794
Number of ARIN addresses announced to Internet: 1355790848
Equivalent to 80 /8s, 207 /16s and 186 /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: 299405
Total RIPE prefixes after maximum aggregation: 148941
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 305461
Unique aggregates announced from the RIPE address blocks: 200137
RIPE Region origin ASes present in the Internet Routing Table: 29862
RIPE Prefixes per ASN: 10.23
RIPE Region origin ASes announcing only one prefix: 12353
RIPE Region transit ASes present in the Internet Routing Table: 4058
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 13905
Number of RIPE addresses announced to Internet: 750090880
Equivalent to 44 /8s, 181 /16s and 122 /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: 132103
Total LACNIC prefixes after maximum aggregation: 31738
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 125812
Unique aggregates announced from the LACNIC address blocks: 51597
LACNIC Region origin ASes present in the Internet Routing Table: 11525
LACNIC Prefixes per ASN: 10.92
LACNIC Region origin ASes announcing only one prefix: 2790
LACNIC Region transit ASes present in the Internet Routing Table: 2609
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9578
Number of LACNIC addresses announced to Internet: 167558144
Equivalent to 9 /8s, 252 /16s and 188 /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: 38134
Total AfriNIC prefixes after maximum aggregation: 7057
AfriNIC Deaggregation factor: 5.40
Prefixes being announced from the AfriNIC address blocks: 53965
Unique aggregates announced from the AfriNIC address blocks: 18719
AfriNIC Region origin ASes present in the Internet Routing Table: 2097
AfriNIC Prefixes per ASN: 25.73
AfriNIC Region origin ASes announcing only one prefix: 769
AfriNIC Region transit ASes present in the Internet Routing Table: 377
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: 1459
Number of AfriNIC addresses announced to Internet: 103574272
Equivalent to 6 /8s, 44 /16s and 107 /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 14107 8920 104 CHINAMOBILE-CN - China Mobile Communicati
9498 5121 561 339 BBIL-AP - BHARTI Airtel Ltd., IN
4538 5043 4192 73 ERX-CERNET-BKB - China Education and Rese
7545 4637 831 274 TPG-INTERNET-AP - TPG Telecom Limited, AU
7552 4073 1331 24 VIETEL-AS-AP - Viettel Group, VN
56046 3622 887 178 CMNET-Jiangsu-AP - China Mobile communica
7713 3540 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon
45899 3407 1868 99 VNPT-AS-VN - VNPT Corp, VN
140292 3235 341 1863 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK -
24560 2486 590 707 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 18696 42655 5599 AMAZON-02 - Amazon.com, Inc., US
22773 4870 3183 424 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4604 306 1119 CABLEONE - CABLE ONE, INC., US
7155 4338 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US
6327 3838 1305 75 SHAW - Shaw Communications, CA
396982 3530 5368 599 GOOGLE-CLOUD-PLATFORM - Google LLC, US
36352 3217 239 1143 AS-COLOCROSSING - HostPapa, US
749 3133 54663 2384 DNIC-AS-00749 - United States Department
7029 2823 2561 892 WINDSTREAM - Windstream Communications LL
31898 2770 1376 1157 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 6987 1709 149 UNI2-AS - Orange Espagne SA, ES
39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS
9009 4346 388 2642 M247 - M247 Europe SRL, RO
20940 3912 3388 105 AKAMAI-ASN1 - Akamai International B.V.,
212238 3587 258 2712 CDNEXT - Datacamp Limited, GB
12389 3164 2331 866 ROSTELECOM-AS - PJSC Rostelecom, RU
29355 2524 155 28 KCELL-AS - Kcell JSC, KZ
34984 2520 371 596 TELLCOM-AS - Superonline Iletisim Hizmetl
3257 1786 2088 995 GTT-BACKBONE - GTT Communications Inc., U
8452 1696 1852 17 TE-AS - IDDQD-AS, EG
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 13225 3307 608 AS8151 - UNINET, MX
10620 3406 443 1115 AS10620 - Telmex Colombia S.A., CO
13999 2241 495 328 AS13999 - Mega Cable, S.A. de C.V., MX
11830 1866 369 65 AS11830 - Instituto Costarricense de Elec
11664 1493 277 34 AS11664 - Techtel LMDS Comunicaciones Int
28573 1377 2433 268 AS28573 - Claro NXT Telecomunicacoes Ltda
3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A.
6147 1194 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE
27715 1107 77 59 AS27715 - Locaweb Servicos de Internet S/
22884 1100 73 385 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 1976 497 26 Vodafone Data - Vodafone Data, EG
36992 1942 1543 328 ETISALAT MISR - ETISALAT MISR, EG
24863 1460 389 20 Link Egypt (Link.NET) - Link Egypt (Link.
36903 1353 589 106 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 596 58 63 Wananchi Group (Kenya) Limited - Wananchi
20011 558 161 173 Dimension Data - Dimension Data, ZA
36914 551 82 3 Kenya Education Network - Kenya Education
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 18696 42655 5599 AMAZON-02 - Amazon.com, Inc., US
9808 14107 8920 104 CHINAMOBILE-CN - China Mobile Communicati
8151 13225 3307 608 AS8151 - UNINET, MX
12479 6987 1709 149 UNI2-AS - Orange Espagne SA, ES
9498 5121 561 339 BBIL-AP - BHARTI Airtel Ltd., IN
4538 5043 4192 73 ERX-CERNET-BKB - China Education and Rese
39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS
22773 4870 3183 424 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
7545 4637 831 274 TPG-INTERNET-AP - TPG Telecom Limited, AU
11492 4604 306 1119 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 14107 14003 CHINAMOBILE-CN - China Mobile Communications Gr
8151 13225 12617 AS8151 - UNINET, MX
12479 6987 6838 UNI2-AS - Orange Espagne SA, ES
4538 5043 4970 ERX-CERNET-BKB - China Education and Research N
39891 4976 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA
9498 5121 4782 BBIL-AP - BHARTI Airtel Ltd., IN
22773 4870 4446 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 4637 4363 TPG-INTERNET-AP - TPG Telecom Limited, AU
7155 4338 4251 VIASAT-SP-BACKBONE - ViaSat,Inc., US
7552 4073 4049 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
23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co
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
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: 32217 GPIEX - GPIEX INC, 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 /10:39 /11:97 /12:299
/13:590 /14:1190 /15:2138 /16:13786 /17:8382 /18:13412
/19:25786 /20:46603 /21:53799 /22:113869 /23:110944 /24:684966
/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 7393 13225 AS8151 - UNINET, MX
12479 5897 6987 UNI2-AS - Orange Espagne SA, ES
16509 3685 18696 AMAZON-02 - Amazon.com, Inc., US
39891 3661 4976 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA
6327 3601 3838 SHAW - Shaw Communications, CA
11492 3511 4604 CABLEONE - CABLE ONE, INC., US
7155 3269 4338 VIASAT-SP-BACKBONE - ViaSat,Inc., US
22773 3113 4870 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
10620 2241 3406 AS10620 - Telmex Colombia S.A., CO
30036 2204 2551 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)
----------------------------------------------
1:2051 2:2933 3:1875 4:6 5:5473 6:215
7:6 8:1369 9:138 11:172 12:1095 13:1474
14:2747 15:493 16:285 17:468 18:1905 20:601
21:4 22:188 23:8641 24:2813 25:2 27:2877
28:7 29:19 31:3964 32:36 34:94 35:296
36:4923 37:4441 38:10499 39:1447 40:461 41:4636
42:1032 43:3459 44:513 45:19909 46:5018 47:463
48:171 49:2314 50:2037 51:1015 52:1463 54:449
55:1153 56:11 57:337 58:2757 59:1565 60:1197
61:3320 62:3189 63:1705 64:6632 65:2262 66:6318
67:3337 68:1311 69:4132 70:1095 71:612 72:3287
74:3176 75:1748 76:600 77:2936 78:2148 79:1914
80:2390 81:2316 82:4439 83:1520 84:2187 85:3902
86:1133 87:3041 88:1350 89:4930 90:762 91:8508
92:2778 93:3058 94:4667 95:4765 96:1465 97:306
98:958 99:1127 100:65 101:1372 102:4754 103:32440
104:5750 105:939 106:932 107:2995 108:1918 109:3958
110:2244 111:4298 112:3253 113:1684 114:2623 115:2265
116:2115 117:3889 118:2519 119:2119 120:2876 121:1876
122:3088 123:2235 124:1989 125:3027 126:155 128:1602
129:991 130:1777 131:2619 132:933 133:484 134:1830
135:673 136:1581 137:1478 138:3423 139:1825 140:1932
141:1883 142:2744 143:2356 144:1921 145:702 146:2242
147:2390 148:2871 149:3727 150:1463 151:3185 152:2495
153:2172 154:9035 155:2379 156:4179 157:2497 158:1660
159:2983 160:4143 161:2158 162:4237 163:2770 164:2452
165:2804 166:1264 167:2421 168:4277 169:972 170:5599
171:1139 172:4984 173:3504 174:894 175:1417 176:4045
177:5586 178:4699 179:2794 180:3422 181:4694 182:4080
183:2658 184:2221 185:22088 186:6592 187:5957 188:4849
189:4919 190:9974 191:1949 192:11957 193:9618 194:7942
195:5987 196:3417 197:3259 198:6482 199:6148 200:8485
201:6937 202:10804 203:10580 204:4767 205:3749 206:4504
207:4091 208:4347 209:5553 210:4902 211:2816 212:5252
213:4159 214:1031 215:50 216:7365 217:3839 218:1992
219:584 220:2245 221:1471 222:1173 223:3647
End of report
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