[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jun 20 22:45:04 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 20 Jun, 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: 1038242
Prefixes after maximum aggregation (per Origin AS): 384074
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 482603
Total ASes present in the Internet Routing Table: 76995
Prefixes per ASN: 13.48
Origin-only ASes present in the Internet Routing Table: 66285
Origin ASes announcing only one prefix: 26286
Transit ASes present in the Internet Routing Table: 10710
Transit-only ASes present in the Internet Routing Table: 537
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: 77
Max AS path prepend of ASN (133647) 73
Prefixes from unregistered ASNs in the Routing Table: 1232
Number of instances of unregistered ASNs: 1275
Number of 32-bit ASNs allocated by the RIRs: 46692
Number of 32-bit ASNs visible in the Routing Table: 38434
Prefixes from 32-bit ASNs in the Routing Table: 216039
Number of bogon 32-bit ASNs visible in the Routing Table: 164
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 453
Number of addresses announced to Internet: 3107587077
Equivalent to 185 /8s, 58 /16s and 4 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 351318
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267643
Total APNIC prefixes after maximum aggregation: 77828
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 258926
Unique aggregates announced from the APNIC address blocks: 104711
APNIC Region origin ASes present in the Internet Routing Table: 14658
APNIC Prefixes per ASN: 17.66
APNIC Region origin ASes announcing only one prefix: 4443
APNIC Region transit ASes present in the Internet Routing Table: 1937
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 77
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10162
Number of APNIC addresses announced to Internet: 749744192
Equivalent to 44 /8s, 176 /16s and 48 /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: 297902
Total ARIN prefixes after maximum aggregation: 132814
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299370
Unique aggregates announced from the ARIN address blocks: 139387
ARIN Region origin ASes present in the Internet Routing Table: 19238
ARIN Prefixes per ASN: 15.56
ARIN Region origin ASes announcing only one prefix: 7005
ARIN Region transit ASes present in the Internet Routing Table: 1913
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: 5234
Number of ARIN addresses announced to Internet: 1349850368
Equivalent to 80 /8s, 117 /16s and 21 /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: 292020
Total RIPE prefixes after maximum aggregation: 136059
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 290416
Unique aggregates announced from the RIPE address blocks: 175694
RIPE Region origin ASes present in the Internet Routing Table: 28965
RIPE Prefixes per ASN: 10.03
RIPE Region origin ASes announcing only one prefix: 12023
RIPE Region transit ASes present in the Internet Routing Table: 3858
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12517
Number of RIPE addresses announced to Internet: 731302501
Equivalent to 43 /8s, 150 /16s and 202 /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: 139664
Total LACNIC prefixes after maximum aggregation: 29778
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 136295
Unique aggregates announced from the LACNIC address blocks: 48852
LACNIC Region origin ASes present in the Internet Routing Table: 11277
LACNIC Prefixes per ASN: 12.09
LACNIC Region origin ASes announcing only one prefix: 2166
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: 52
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9226
Number of LACNIC addresses announced to Internet: 171361376
Equivalent to 10 /8s, 54 /16s and 196 /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: 39781
Total AfriNIC prefixes after maximum aggregation: 6821
AfriNIC Deaggregation factor: 5.83
Prefixes being announced from the AfriNIC address blocks: 52781
Unique aggregates announced from the AfriNIC address blocks: 13555
AfriNIC Region origin ASes present in the Internet Routing Table: 1930
AfriNIC Prefixes per ASN: 27.35
AfriNIC Region origin ASes announcing only one prefix: 649
AfriNIC Region transit ASes present in the Internet Routing Table: 365
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1295
Number of AfriNIC addresses announced to Internet: 105116672
Equivalent to 6 /8s, 67 /16s and 244 /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 11284 8759 106 CHINAMOBILE-CN China Mobile Communication
7545 6182 846 649 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4961 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4464 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4431 534 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3716 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3300 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2895 857 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2209 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
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 13647 40958 5237 AMAZON-02, US
174 5457 8743 865 COGENT-174, US
11492 4780 317 603 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 81 SHAW, CA
22773 3351 3032 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3192 3854 428 GOOGLE-CLOUD-PLATFORM, US
16625 3140 1318 2263 AKAMAI-AS, US
36352 2823 230 852 AS-COLOCROSSING, 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 9759 1297 1052 TTNET, TR
12479 7674 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4080 3395 139 AKAMAI-ASN1, NL
9009 3944 361 2091 M247, RO
12389 3121 2305 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2452 364 570 TELLCOM-AS, TR
212238 2313 169 1695 CDNEXT, GB
8452 1933 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 12267 3256 575 UNINET, MX
10620 3504 481 1016 Telmex Colombia S.A., CO
13999 2536 537 354 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1614 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1198 371 22 Telefonica del Peru S.A.A., PE
11664 1115 278 33 Techtel LMDS Comunicaciones Interactivas
28202 1100 52 9 MASTER SA, BR
22884 1063 71 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1820 644 27 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1620 389 16 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1519 280 ETISALAT-MISR, EG
20011 1297 205 346 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1079 523 46 Vodafone-, EG
36914 573 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 13647 40958 5237 AMAZON-02, US
8151 12267 3256 575 UNINET, MX
9808 11284 8759 106 CHINAMOBILE-CN China Mobile Communication
47331 9759 1297 1052 TTNET, TR
12479 7674 1713 148 UNI2-AS, ES
7545 6182 846 649 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5457 8743 865 COGENT-174, US
4538 4961 4194 78 ERX-CERNET-BKB China Education and Resear
11492 4780 317 603 CABLEONE, US
39891 4780 291 66 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
8151 12267 11692 UNINET, MX
9808 11284 11178 CHINAMOBILE-CN China Mobile Communications Grou
47331 9759 8707 TTNET, TR
12479 7674 7526 UNI2-AS, ES
7545 6182 5533 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4961 4883 ERX-CERNET-BKB China Education and Research Net
39891 4780 4714 ALJAWWALSTC-AS, SA
174 5457 4592 COGENT-174, US
18403 4464 4439 FPT-AS-AP FPT Telecom Company, VN
11492 4780 4177 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
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
395195 UNALLOCATED 8.38.115.0/24 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
100.64.3.0/24 52091 LEVEL-MSK-AS Level-MSK Ltd., RU
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: 6939 HURRICANE, 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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:14 /10:41 /11:92 /12:300
/13:584 /14:1219 /15:2186 /16:13961 /17:8439 /18:14029
/19:25315 /20:46149 /21:54539 /22:115836 /23:111172 /24:641251
/25:401 /26:584 /27:1039 /28:69 /29:104 /30:17
/31:3 /32:881
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8838 9759 TTNET, TR
12479 6596 7674 UNI2-AS, ES
8151 6460 12267 UNINET, MX
11492 3576 4780 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3636 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2502 3351 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2348 13647 AMAZON-02, US
30036 2254 2595 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2426 2:1531 3:825 4:25 5:5056 6:162
7:6 8:1643 9:1 11:172 12:1351 13:450
14:2574 15:366 16:285 17:377 18:919 20:559
21:4 22:188 23:7690 24:2977 25:2 27:2831
29:19 31:3371 32:46 33:1 34:84 35:259
36:3168 37:4679 38:10684 39:910 40:170 41:4819
42:2008 43:2654 44:387 45:20197 46:5175 47:323
49:1996 50:1897 51:591 52:1597 54:322 55:1083
56:11 57:280 58:2313 59:1415 60:1171 61:3047
62:3059 63:1822 64:5535 65:2201 66:4758 67:3136
68:1148 69:4017 70:1091 71:633 72:2963 74:2834
75:1526 76:626 77:2824 78:4363 79:1743 80:2248
81:2236 82:3247 83:1476 84:1895 85:4354 86:1097
87:2404 88:3575 89:4587 90:773 91:8485 92:2744
93:2946 94:4122 95:5655 96:1486 97:315 98:984
99:687 100:73 101:1445 102:4451 103:32553 104:5179
105:2243 106:1044 107:2679 108:1264 109:4150 110:2239
111:3354 112:2149 113:1853 114:1935 115:2266 116:2125
117:2538 118:2904 119:1974 120:2090 121:1446 122:2819
123:2499 124:1709 125:2924 126:91 128:1641 129:994
130:1337 131:2208 132:893 133:451 134:1556 135:392
136:1355 137:1188 138:3211 139:1585 140:1626 141:1506
142:1952 143:1996 144:1173 145:551 146:2209 147:2117
148:2706 149:2986 150:1268 151:1974 152:2110 153:590
154:7712 155:1770 156:2910 157:1949 158:1336 159:2502
160:3711 161:1911 162:3892 163:2239 164:1887 165:2037
166:1496 167:2015 168:4305 169:821 170:5577 171:1012
172:4488 173:3369 174:922 175:1305 176:3852 177:6190
178:3881 179:2774 180:2706 181:4338 182:3462 183:2192
184:2134 185:21751 186:5942 187:5186 188:4394 189:4720
190:10031 191:2071 192:11351 193:9537 194:7926 195:5706
196:3673 197:3948 198:6239 199:8576 200:8836 201:6643
202:10764 203:10797 204:4603 205:3691 206:4555 207:3616
208:4308 209:5262 210:4935 211:2643 212:4808 213:3902
214:1030 215:48 216:6857 217:3277 218:1418 219:571
220:2141 221:1148 222:857 223:2532
End of report
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