[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jul 30 22:47:14 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 30 Jul, 2025
IPv4 BGP Table (Global) as seen at RouteViews OIX.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/OIX/
Analysis Summary
----------------
BGP routing table entries examined: 1043764
Prefixes after maximum aggregation (per Origin AS): 388553
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 213637
Total ASes present in the Internet Routing Table: 77217
Prefixes per ASN: 13.52
Origin-only ASes present in the Internet Routing Table: 66437
Origin ASes announcing only one prefix: 26359
Transit ASes present in the Internet Routing Table: 10780
Transit-only ASes present in the Internet Routing Table: 552
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.1
Max AS path length visible: 91
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1230
Number of instances of unregistered ASNs: 1274
Number of 32-bit ASNs allocated by the RIRs: 46974
Number of 32-bit ASNs visible in the Routing Table: 38735
Prefixes from 32-bit ASNs in the Routing Table: 218319
Number of bogon 32-bit ASNs visible in the Routing Table: 126
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 470
Number of addresses announced to Internet: 3978724762
Equivalent to 237 /8s, 38 /16s and 133 /24s
Percentage of available address space announced: 107.5
Percentage of allocated address space announced: 107.5
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: 351424
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 271504
Total APNIC prefixes after maximum aggregation: 78614
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 262348
Unique aggregates announced from the APNIC address blocks: 67832
APNIC Region origin ASes present in the Internet Routing Table: 14759
APNIC Prefixes per ASN: 17.78
APNIC Region origin ASes announcing only one prefix: 4496
APNIC Region transit ASes present in the Internet Routing Table: 1956
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10284
Number of APNIC addresses announced to Internet: 465189128
Equivalent to 27 /8s, 186 /16s and 57 /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: 299154
Total ARIN prefixes after maximum aggregation: 133533
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300426
Unique aggregates announced from the ARIN address blocks: 51056
ARIN Region origin ASes present in the Internet Routing Table: 19262
ARIN Prefixes per ASN: 15.60
ARIN Region origin ASes announcing only one prefix: 7020
ARIN Region transit ASes present in the Internet Routing Table: 1919
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5272
Number of ARIN addresses announced to Internet: 855948032
Equivalent to 51 /8s, 4 /16s and 187 /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: 293257
Total RIPE prefixes after maximum aggregation: 138663
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 292013
Unique aggregates announced from the RIPE address blocks: 81859
RIPE Region origin ASes present in the Internet Routing Table: 29032
RIPE Prefixes per ASN: 10.06
RIPE Region origin ASes announcing only one prefix: 12023
RIPE Region transit ASes present in the Internet Routing Table: 3892
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12626
Number of RIPE addresses announced to Internet: -1688875374
Equivalent to 155 /8s, 85 /16s and 206 /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: 139346
Total LACNIC prefixes after maximum aggregation: 29951
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135827
Unique aggregates announced from the LACNIC address blocks: 6101
LACNIC Region origin ASes present in the Internet Routing Table: 11265
LACNIC Prefixes per ASN: 12.06
LACNIC Region origin ASes announcing only one prefix: 2157
LACNIC Region transit ASes present in the Internet Routing Table: 2476
Average LACNIC Region AS path length visible: 3.3
Max LACNIC Region AS path length visible: 91
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9232
Number of LACNIC addresses announced to Internet: 3616256
Equivalent to 0 /8s, 55 /16s and 46 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 39273
Total AfriNIC prefixes after maximum aggregation: 7017
AfriNIC Deaggregation factor: 5.60
Prefixes being announced from the AfriNIC address blocks: 52679
Unique aggregates announced from the AfriNIC address blocks: 6591
AfriNIC Region origin ASes present in the Internet Routing Table: 1956
AfriNIC Prefixes per ASN: 26.93
AfriNIC Region origin ASes announcing only one prefix: 663
AfriNIC Region transit ASes present in the Internet Routing Table: 367
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1321
Number of AfriNIC addresses announced to Internet: 47783680
Equivalent to 2 /8s, 217 /16s and 31 /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 12404 8761 117 CHINAMOBILE-CN China Mobile Communication
7545 6139 837 624 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4959 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4539 347 26 FPT-AS-AP FPT Telecom Company, VN
9498 4467 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3900 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3703 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3296 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2918 864 512 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2894 812 180 CMNET-JIANGSU-AP China Mobile communicati
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13679 40976 5278 AMAZON-02, US
174 5361 8770 861 COGENT-174, US
11492 4821 319 607 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3341 3030 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3222 54766 2473 DNIC-AS-00749, US
396982 3200 3856 434 GOOGLE-CLOUD-PLATFORM, US
16625 3076 1302 2229 AKAMAI-AS, US
4155 2895 219 1741 USDA-1, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
47331 9354 1255 2038 TTNET, TR
12479 7585 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4054 3396 140 AKAMAI-ASN1, NL
9009 3830 363 2142 M247, RO
12389 3121 2315 870 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2455 364 579 TELLCOM-AS, TR
212238 2324 165 1691 CDNEXT, GB
8452 1844 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12399 3276 577 UNINET, MX
10620 3479 473 1035 Telmex Colombia S.A., CO
13999 2522 511 354 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1614 2435 269 Claro NXT Telecomunicacoes Ltda, BR
3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1194 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1189 371 22 Telefonica del Peru S.A.A., PE
22884 1072 71 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1019 373 162 Axtel, S.A.B. de C.V., MX
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1717 660 28 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1604 102 51 ORANGE-COTE-IVOIRE, CI
36992 1322 1490 355 ETISALAT-MISR, EG
20011 1298 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
24863 1231 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 899 520 43 Vodafone-, EG
36914 575 82 3 KENET-AS, KE
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13679 40976 5278 AMAZON-02, US
9808 12404 8761 117 CHINAMOBILE-CN China Mobile Communication
8151 12399 3276 577 UNINET, MX
47331 9354 1255 2038 TTNET, TR
12479 7585 1712 148 UNI2-AS, ES
7545 6139 837 624 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5361 8770 861 COGENT-174, US
4538 4959 4194 78 ERX-CERNET-BKB China Education and Resear
11492 4821 319 607 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 12404 12287 CHINAMOBILE-CN China Mobile Communications Grou
8151 12399 11822 UNINET, MX
12479 7585 7437 UNI2-AS, ES
47331 9354 7316 TTNET, TR
7545 6139 5515 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4959 4881 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4539 4513 FPT-AS-AP FPT Telecom Company, VN
174 5361 4500 COGENT-174, US
11492 4821 4214 CABLEONE, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/OIX/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://bgp.nsrc.org/REN/OIX/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 21859 ZEN-ECN, US
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
23.147.224.0/24 Origin: 27392 639-DATACENTERS, US
23.147.224.0/24 Transit: 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/1:1 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:14 /10:41 /11:92 /12:298
/13:581 /14:1219 /15:2188 /16:13910 /17:8486 /18:14035
/19:25345 /20:46209 /21:54556 /22:115720 /23:111444 /24:646474
/25:409 /26:582 /27:1063 /28:73 /29:96 /30:18
/31:1 /32:892
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8448 9354 TTNET, TR
8151 6582 12399 UNINET, MX
12479 6536 7585 UNI2-AS, ES
11492 3613 4821 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3637 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2493 3341 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2357 13679 AMAZON-02, US
30036 2288 2629 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2466 2:1533 3:849 4:25 5:5061 6:163
7:6 8:1623 9:2 11:172 12:1344 13:458
14:2616 15:369 16:286 17:378 18:900 20:572
21:4 22:188 23:7835 24:2826 25:2 27:2857
29:19 31:3430 32:49 33:1 34:84 35:264
36:4065 37:4683 38:10757 39:950 40:247 41:4730
42:2039 43:2749 44:382 45:20301 46:5179 47:340
49:1944 50:2024 51:591 52:1587 54:325 55:1109
56:11 57:283 58:2270 59:1406 60:1171 61:2954
62:3069 63:1814 64:5593 65:2175 66:4864 67:3165
68:1111 69:4054 70:1065 71:633 72:2956 74:2844
75:1524 76:612 77:2875 78:4287 79:1728 80:2238
81:2228 82:3263 83:1484 84:1915 85:4420 86:1098
87:2405 88:3467 89:4587 90:780 91:8552 92:2744
93:2977 94:4163 95:5646 96:1502 97:315 98:957
99:694 100:71 101:1458 102:4526 103:32532 104:5268
105:2224 106:972 107:2677 108:1281 109:4245 110:2246
111:3446 112:2367 113:1874 114:1976 115:2286 116:2138
117:2643 118:3005 119:1998 120:2219 121:1403 122:2824
123:2369 124:1780 125:2934 126:91 128:1641 129:1003
130:1343 131:2228 132:888 133:450 134:1609 135:397
136:1469 137:1204 138:3186 139:1589 140:1693 141:1519
142:1958 143:2094 144:1172 145:571 146:2206 147:2106
148:2737 149:3001 150:1288 151:2266 152:2100 153:590
154:7968 155:1873 156:3150 157:1986 158:1363 159:2525
160:3717 161:1943 162:3892 163:2272 164:1933 165:2474
166:1540 167:2045 168:4278 169:814 170:5589 171:999
172:4270 173:3420 174:920 175:1328 176:3868 177:6030
178:4144 179:2745 180:2655 181:4353 182:3535 183:2302
184:2123 185:21909 186:5964 187:5180 188:4393 189:4739
190:10022 191:1742 192:11394 193:9549 194:7893 195:5777
196:3699 197:3878 198:6271 199:8649 200:8885 201:6647
202:10854 203:10797 204:4689 205:3651 206:4569 207:3667
208:4302 209:5276 210:5012 211:2711 212:4771 213:3932
214:938 215:48 216:6860 217:3281 218:1435 219:577
220:2152 221:1208 222:870 223:2785
End of report
More information about the ren-bgp-stats-all
mailing list