[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jun 22 22:45:23 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sun 22 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: 1038277
Prefixes after maximum aggregation (per Origin AS): 384177
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 482853
Total ASes present in the Internet Routing Table: 77015
Prefixes per ASN: 13.48
Origin-only ASes present in the Internet Routing Table: 66295
Origin ASes announcing only one prefix: 26291
Transit ASes present in the Internet Routing Table: 10720
Transit-only ASes present in the Internet Routing Table: 536
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: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1230
Number of instances of unregistered ASNs: 1273
Number of 32-bit ASNs allocated by the RIRs: 46701
Number of 32-bit ASNs visible in the Routing Table: 38441
Prefixes from 32-bit ASNs in the Routing Table: 216177
Number of bogon 32-bit ASNs visible in the Routing Table: 165
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 451
Number of addresses announced to Internet: 3107611655
Equivalent to 185 /8s, 58 /16s and 100 /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: 351205
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267811
Total APNIC prefixes after maximum aggregation: 77882
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 259084
Unique aggregates announced from the APNIC address blocks: 104712
APNIC Region origin ASes present in the Internet Routing Table: 14676
APNIC Prefixes per ASN: 17.65
APNIC Region origin ASes announcing only one prefix: 4448
APNIC Region transit ASes present in the Internet Routing Table: 1935
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10177
Number of APNIC addresses announced to Internet: 749773377
Equivalent to 44 /8s, 176 /16s and 162 /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: 297951
Total ARIN prefixes after maximum aggregation: 132814
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299467
Unique aggregates announced from the ARIN address blocks: 139471
ARIN Region origin ASes present in the Internet Routing Table: 19249
ARIN Prefixes per ASN: 15.56
ARIN Region origin ASes announcing only one prefix: 7011
ARIN Region transit ASes present in the Internet Routing Table: 1911
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: 5238
Number of ARIN addresses announced to Internet: 1349921792
Equivalent to 80 /8s, 118 /16s and 44 /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: 291877
Total RIPE prefixes after maximum aggregation: 136125
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 290256
Unique aggregates announced from the RIPE address blocks: 175832
RIPE Region origin ASes present in the Internet Routing Table: 28962
RIPE Prefixes per ASN: 10.02
RIPE Region origin ASes announcing only one prefix: 12023
RIPE Region transit ASes present in the Internet Routing Table: 3867
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12507
Number of RIPE addresses announced to Internet: 731241318
Equivalent to 43 /8s, 149 /16s and 219 /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: 139629
Total LACNIC prefixes after maximum aggregation: 29764
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 136249
Unique aggregates announced from the LACNIC address blocks: 48843
LACNIC Region origin ASes present in the Internet Routing Table: 11276
LACNIC Prefixes per ASN: 12.08
LACNIC Region origin ASes announcing only one prefix: 2167
LACNIC Region transit ASes present in the Internet Routing Table: 2480
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: 9225
Number of LACNIC addresses announced to Internet: 171360608
Equivalent to 10 /8s, 54 /16s and 193 /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: 39779
Total AfriNIC prefixes after maximum aggregation: 6820
AfriNIC Deaggregation factor: 5.83
Prefixes being announced from the AfriNIC address blocks: 52769
Unique aggregates announced from the AfriNIC address blocks: 13592
AfriNIC Region origin ASes present in the Internet Routing Table: 1928
AfriNIC Prefixes per ASN: 27.37
AfriNIC Region origin ASes announcing only one prefix: 642
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: 1294
Number of AfriNIC addresses announced to Internet: 105110784
Equivalent to 6 /8s, 67 /16s and 221 /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 6183 846 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4961 4194 78 ERX-CERNET-BKB China Education and Resear
9498 4435 535 310 BBIL-AP BHARTI Airtel Ltd., IN
18403 4426 347 25 FPT-AS-AP FPT Telecom Company, VN
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 2894 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 13630 40955 5218 AMAZON-02, US
174 5437 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 3350 3032 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3192 3854 428 GOOGLE-CLOUD-PLATFORM, US
16625 3137 1318 2262 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 7675 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4078 3396 140 AKAMAI-ASN1, NL
9009 3945 361 2092 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 1931 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 12274 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 1199 371 22 Telefonica del Peru S.A.A., PE
11664 1116 278 33 Techtel LMDS Comunicaciones Interactivas
28202 1100 52 9 MASTER SA, BR
22884 1081 72 365 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 1821 644 27 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1622 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 1077 523 46 Vodafone-, EG
36914 565 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 13630 40955 5218 AMAZON-02, US
8151 12274 3256 575 UNINET, MX
9808 11284 8759 106 CHINAMOBILE-CN China Mobile Communication
47331 9759 1297 1052 TTNET, TR
12479 7675 1713 148 UNI2-AS, ES
7545 6183 846 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5437 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 12274 11699 UNINET, MX
9808 11284 11178 CHINAMOBILE-CN China Mobile Communications Grou
47331 9759 8707 TTNET, TR
12479 7675 7527 UNI2-AS, ES
7545 6183 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 5437 4572 COGENT-174, US
18403 4426 4401 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
80501 UNALLOCATED 1.178.0.0/24 7224 AMAZON-AS, US
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
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 /16:13960 /17:8440 /18:14029
/19:25311 /20:46148 /21:54547 /22:115867 /23:111161 /24:641264
/25:401 /26:584 /27:1042 /28:69 /29:103 /30:17
/31:3 /32:878
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8838 9759 TTNET, TR
12479 6597 7675 UNI2-AS, ES
8151 6465 12274 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 3350 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2344 13630 AMAZON-02, US
30036 2256 2597 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 2:1528 3:827 4:25 5:5049 6:162
7:6 8:1641 9:1 11:172 12:1351 13:449
14:2573 15:365 16:285 17:379 18:921 20:561
21:4 22:188 23:7696 24:2978 25:2 27:2832
29:19 31:3339 32:46 33:1 34:84 35:260
36:3169 37:4681 38:10673 39:909 40:181 41:4822
42:1975 43:2655 44:386 45:20168 46:5169 47:323
49:1989 50:1896 51:591 52:1594 54:324 55:1006
56:11 57:279 58:2313 59:1414 60:1171 61:3045
62:3031 63:1821 64:5542 65:2201 66:4758 67:3137
68:1148 69:4021 70:1090 71:633 72:2966 74:2839
75:1526 76:626 77:2827 78:4330 79:1701 80:2239
81:2238 82:3244 83:1476 84:1894 85:4423 86:1089
87:2411 88:3576 89:4578 90:773 91:8508 92:2745
93:2939 94:4129 95:5639 96:1487 97:315 98:984
99:687 100:73 101:1445 102:4438 103:32591 104:5180
105:2243 106:980 107:2675 108:1263 109:4146 110:2249
111:3354 112:2148 113:1877 114:2011 115:2266 116:2126
117:2533 118:2938 119:1974 120:2090 121:1447 122:2819
123:2498 124:1709 125:2926 126:91 128:1643 129:994
130:1336 131:2209 132:892 133:451 134:1559 135:395
136:1355 137:1190 138:3198 139:1585 140:1626 141:1501
142:1960 143:2005 144:1179 145:551 146:2207 147:2122
148:2702 149:3000 150:1273 151:1991 152:2106 153:590
154:7726 155:1766 156:2897 157:1946 158:1329 159:2503
160:3712 161:1914 162:3893 163:2234 164:1913 165:2071
166:1503 167:2013 168:4303 169:820 170:5572 171:1013
172:4489 173:3371 174:922 175:1323 176:3851 177:6195
178:3950 179:2771 180:2705 181:4335 182:3461 183:2183
184:2133 185:21711 186:5937 187:5210 188:4387 189:4722
190:10023 191:2074 192:11361 193:9534 194:7913 195:5714
196:3682 197:3942 198:6239 199:8567 200:8823 201:6644
202:10768 203:10817 204:4609 205:3704 206:4555 207:3613
208:4307 209:5260 210:4936 211:2644 212:4780 213:3901
214:1029 215:48 216:6857 217:3273 218:1419 219:571
220:2141 221:1148 222:857 223:2532
End of report
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