[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Apr 10 18:03:46 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 11 Apr, 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: 1043690
Prefixes after maximum aggregation (per Origin AS): 399679
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 513366
Number of IPv4 prefixes with a valid ROA: 628212
Number of IPv4 prefixes with an invalid ROA: 1476
Number of IPv4 prefixes with no ROA: 414002
Total ASes present in the Internet Routing Table: 78316
Prefixes per ASN: 13.33
Origin-only ASes present in the Internet Routing Table: 67300
Origin ASes announcing only one prefix: 27400
Transit ASes present in the Internet Routing Table: 11016
Transit-only ASes present in the Internet Routing Table: 564
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: 1001
Number of instances of unregistered ASNs: 1043
Number of 32-bit ASNs allocated by the RIRs: 49288
Number of 32-bit ASNs visible in the Routing Table: 40350
Prefixes from 32-bit ASNs in the Routing Table: 227424
Number of bogon 32-bit ASNs visible in the Routing Table: 136
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 422
Number of addresses announced to Internet: 3108504704
Equivalent to 185 /8s, 72 /16s and 4 /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: 339470
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 286546
Total APNIC prefixes after maximum aggregation: 82908
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 273456
Unique aggregates announced from the APNIC address blocks: 107510
APNIC Region origin ASes present in the Internet Routing Table: 15183
APNIC Prefixes per ASN: 18.01
APNIC Region origin ASes announcing only one prefix: 4683
APNIC Region transit ASes present in the Internet Routing Table: 2007
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: 10739
Number of APNIC addresses announced to Internet: 753994368
Equivalent to 44 /8s, 241 /16s and 10 /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: 303724
Total ARIN prefixes after maximum aggregation: 135932
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 303242
Unique aggregates announced from the ARIN address blocks: 146844
ARIN Region origin ASes present in the Internet Routing Table: 19417
ARIN Prefixes per ASN: 15.62
ARIN Region origin ASes announcing only one prefix: 7105
ARIN Region transit ASes present in the Internet Routing Table: 1930
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 29
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5546
Number of ARIN addresses announced to Internet: 1347913984
Equivalent to 80 /8s, 87 /16s and 137 /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: 287824
Total RIPE prefixes after maximum aggregation: 142306
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 290355
Unique aggregates announced from the RIPE address blocks: 188916
RIPE Region origin ASes present in the Internet Routing Table: 29390
RIPE Prefixes per ASN: 9.88
RIPE Region origin ASes announcing only one prefix: 12172
RIPE Region transit ASes present in the Internet Routing Table: 3962
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: 13263
Number of RIPE addresses announced to Internet: 733194880
Equivalent to 43 /8s, 179 /16s and 170 /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: 127700
Total LACNIC prefixes after maximum aggregation: 30891
LACNIC Deaggregation factor: 4.13
Prefixes being announced from the LACNIC address blocks: 122879
Unique aggregates announced from the LACNIC address blocks: 50269
LACNIC Region origin ASes present in the Internet Routing Table: 11395
LACNIC Prefixes per ASN: 10.78
LACNIC Region origin ASes announcing only one prefix: 2706
LACNIC Region transit ASes present in the Internet Routing Table: 2561
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: 9420
Number of LACNIC addresses announced to Internet: 169896064
Equivalent to 10 /8s, 32 /16s and 104 /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: 36895
Total AfriNIC prefixes after maximum aggregation: 7009
AfriNIC Deaggregation factor: 5.26
Prefixes being announced from the AfriNIC address blocks: 53336
Unique aggregates announced from the AfriNIC address blocks: 19465
AfriNIC Region origin ASes present in the Internet Routing Table: 2018
AfriNIC Prefixes per ASN: 26.43
AfriNIC Region origin ASes announcing only one prefix: 734
AfriNIC Region transit ASes present in the Internet Routing Table: 385
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: 1382
Number of AfriNIC addresses announced to Internet: 103309824
Equivalent to 6 /8s, 40 /16s and 98 /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 13910 8945 104 CHINAMOBILE-CN China Mobile Communication
7545 5916 828 499 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5033 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4903 549 326 BBIL-AP BHARTI Airtel Ltd., IN
18403 4547 347 26 FPT-AS-AP FPT Telecom Company, VN
7552 4057 1332 29 VIETEL-AS-AP Viettel Group, VN
7713 3670 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones
56046 3485 887 178 CMNET-JIANGSU-AP China Mobile communicati
45899 3360 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 3018 860 521 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 14611 41274 5674 AMAZON-02 - Amazon.com, Inc., US
22773 4782 3117 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4668 310 1033 CABLEONE - CABLE ONE, INC., US
7155 3870 286 85 VIASAT-SP-BACKBONE - ViaSat,Inc., US
6327 3719 1305 76 SHAW - Shaw Communications, CA
396982 3320 4859 493 GOOGLE-CLOUD-PLATFORM - Google LLC, US
174 3271 8767 828 COGENT-174 - Cogent Communications, LLC,
749 3140 54728 2391 DNIC-AS-00749 - United States Department
36352 2721 222 906 AS-COLOCROSSING - HostPapa, US
30036 2671 364 304 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C
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 7161 1711 149 UNI2-AS, ES
39891 4972 306 72 ALJAWWALSTC-AS, SA
9009 3833 354 2247 M247, RO
20940 3819 3389 110 AKAMAI-ASN1, NL
12389 3173 2319 870 ROSTELECOM-AS PJSC Rostelecom. Technical
212238 2720 197 2002 CDNEXT, GB
34984 2449 365 571 TELLCOM-AS, TR
8452 1729 1852 17 TE-AS TE-AS, EG
203020 1642 249 809 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 12751 3300 620 UNINET, MX
10620 3429 450 1105 Telmex Colombia S.A., CO
13999 2446 506 345 Mega Cable, S.A. de C.V., MX
11830 1938 369 65 Instituto Costarricense de Electricidad y
11664 1436 277 34 Techtel LMDS Comunicaciones Interactivas
28573 1373 2431 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1245 371 22 INTEGRATEL PERU S.A.A., PE
26615 1066 2392 101 TIM SA, BR
22884 1053 71 362 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 2025 648 34 RAYA-AS, EG
36992 1859 1532 341 ETISALAT-MISR, EG
24863 1296 389 16 LINKdotNET-AS, EG
36935 1242 523 45 Vodafone-, EG
36903 1232 555 98 MT-MPLS, MA
37069 1117 1100 11 MOBINIL, EG
29571 1071 78 19 ORANGE-COTE-IVOIRE, CI
20011 589 155 220 NTT-DATA-Inc, ZA
15399 556 58 61 WANANCHI-, KE
36914 550 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 14611 41274 5674 AMAZON-02 - Amazon.com, Inc., US
9808 13910 8945 104 CHINAMOBILE-CN China Mobile Communication
8151 12751 3300 620 UNINET, MX
12479 7161 1711 149 UNI2-AS, ES
7545 5916 828 499 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5033 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4972 306 72 ALJAWWALSTC-AS, SA
9498 4903 549 326 BBIL-AP BHARTI Airtel Ltd., IN
22773 4782 3117 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4668 310 1033 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 13910 13806 CHINAMOBILE-CN China Mobile Communications Grou
8151 12751 12131 UNINET, MX
12479 7161 7012 UNI2-AS, ES
7545 5916 5417 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5033 4956 ERX-CERNET-BKB China Education and Research Net
39891 4972 4900 ALJAWWALSTC-AS, SA
9498 4903 4577 BBIL-AP BHARTI Airtel Ltd., IN
18403 4547 4521 FPT-AS-AP FPT Telecom Company, VN
22773 4782 4415 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 4057 4028 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
395729 UNALLOCATED 8.28.58.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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 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
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 /14:1186 /15:2099 /16:13637 /17:8378 /18:13404
/19:25712 /20:46981 /21:52904 /22:114094 /23:107644 /24:655920
/25:687 /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 6941 12751 UNINET, MX
12479 6104 7161 UNI2-AS, ES
39891 3656 4972 ALJAWWALSTC-AS, SA
11492 3528 4668 CABLEONE - CABLE ONE, INC., US
6327 3500 3719 SHAW - Shaw Communications, CA
22773 3054 4782 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
7155 2824 3870 VIASAT-SP-BACKBONE - ViaSat,Inc., US
16509 2623 14611 AMAZON-02 - Amazon.com, Inc., US
30036 2323 2671 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US
10620 2233 3429 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2535 2:1806 3:994 4:5 5:5107 6:196
7:6 8:1510 9:39 11:172 12:1190 13:688
14:2721 15:459 16:172 17:422 18:916 20:585
21:4 22:188 23:8166 24:2777 25:2 27:2748
28:1 29:19 31:3474 32:37 34:86 35:287
36:4665 37:4450 38:10098 39:1283 40:423 41:4558
42:2171 43:3022 44:446 45:19784 46:4860 47:411
48:126 49:2224 50:2023 51:626 52:1306 54:276
55:1120 56:11 57:326 58:2421 59:1439 60:1175
61:3133 62:3123 63:1722 64:6299 65:2136 66:6076
67:3245 68:1501 69:4209 70:1063 71:615 72:3183
74:3033 75:1491 76:591 77:2927 78:1973 79:1789
80:2371 81:2217 82:4040 83:1448 84:2148 85:3806
86:1091 87:2488 88:1350 89:4708 90:783 91:8430
92:2824 93:3008 94:4375 95:4653 96:1456 97:316
98:944 99:808 100:68 101:1367 102:4486 103:32378
104:5361 105:816 106:913 107:2875 108:1240 109:4211
110:2298 111:4174 112:3168 113:1962 114:2271 115:2241
116:2159 117:3505 118:2950 119:2116 120:2725 121:1594
122:3009 123:2273 124:1729 125:3009 126:125 128:1600
129:972 130:1639 131:2466 132:830 133:475 134:1672
135:610 136:1610 137:1415 138:3308 139:1630 140:1825
141:1735 142:2530 143:2126 144:1732 145:646 146:2209
147:2201 148:2762 149:3103 150:1364 151:2809 152:2320
153:1314 154:9567 155:2294 156:4459 157:2281 158:1531
159:2856 160:3809 161:1962 162:4039 163:2492 164:2040
165:2629 166:1272 167:2299 168:4019 169:849 170:5561
171:1125 172:4553 173:3483 174:883 175:1357 176:3867
177:4871 178:4359 179:2306 180:3045 181:4522 182:3991
183:2828 184:2022 185:21806 186:5766 187:4941 188:4603
189:4501 190:9836 191:1566 192:11491 193:9624 194:7873
195:5831 196:3347 197:3255 198:6297 199:6078 200:8218
201:6392 202:10818 203:10523 204:4803 205:3764 206:4563
207:3998 208:4378 209:5451 210:4902 211:2777 212:5045
213:4128 214:1041 215:47 216:7291 217:3582 218:1755
219:585 220:2200 221:1308 222:1079 223:3431
End of report
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