[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jun 21 22:45:22 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 21 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: 1038320
Prefixes after maximum aggregation (per Origin AS): 384123
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 482844
Total ASes present in the Internet Routing Table: 77002
Prefixes per ASN: 13.48
Origin-only ASes present in the Internet Routing Table: 66293
Origin ASes announcing only one prefix: 26283
Transit ASes present in the Internet Routing Table: 10709
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: 46694
Number of 32-bit ASNs visible in the Routing Table: 38438
Prefixes from 32-bit ASNs in the Routing Table: 216055
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: 3107482630
Equivalent to 185 /8s, 56 /16s and 108 /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: 351326
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267690
Total APNIC prefixes after maximum aggregation: 77844
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 258988
Unique aggregates announced from the APNIC address blocks: 104723
APNIC Region origin ASes present in the Internet Routing Table: 14664
APNIC Prefixes per ASN: 17.66
APNIC Region origin ASes announcing only one prefix: 4449
APNIC Region transit ASes present in the Internet Routing Table: 1933
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: 10167
Number of APNIC addresses announced to Internet: 749773889
Equivalent to 44 /8s, 176 /16s and 164 /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: 297956
Total ARIN prefixes after maximum aggregation: 132811
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299463
Unique aggregates announced from the ARIN address blocks: 139454
ARIN Region origin ASes present in the Internet Routing Table: 19238
ARIN Prefixes per ASN: 15.57
ARIN Region origin ASes announcing only one prefix: 7004
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: 1349907200
Equivalent to 80 /8s, 117 /16s and 243 /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: 292011
Total RIPE prefixes after maximum aggregation: 136081
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 290389
Unique aggregates announced from the RIPE address blocks: 175779
RIPE Region origin ASes present in the Internet Routing Table: 28966
RIPE Prefixes per ASN: 10.03
RIPE Region origin ASes announcing only one prefix: 12018
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: 12513
Number of RIPE addresses announced to Internet: 731258981
Equivalent to 43 /8s, 150 /16s and 32 /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: 139652
Total LACNIC prefixes after maximum aggregation: 29774
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 136275
Unique aggregates announced from the LACNIC address blocks: 48875
LACNIC Region origin ASes present in the Internet Routing Table: 11277
LACNIC Prefixes per ASN: 12.08
LACNIC Region origin ASes announcing only one prefix: 2163
LACNIC Region transit ASes present in the Internet Routing Table: 2478
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: 171362144
Equivalent to 10 /8s, 54 /16s and 199 /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: 6841
AfriNIC Deaggregation factor: 5.82
Prefixes being announced from the AfriNIC address blocks: 52753
Unique aggregates announced from the AfriNIC address blocks: 13610
AfriNIC Region origin ASes present in the Internet Routing Table: 1932
AfriNIC Prefixes per ASN: 27.30
AfriNIC Region origin ASes announcing only one prefix: 649
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: 1298
Number of AfriNIC addresses announced to Internet: 104976640
Equivalent to 6 /8s, 65 /16s and 209 /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 4445 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4433 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 2893 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 13652 40957 5229 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 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3193 3854 429 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 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 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 1115 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 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 567 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 13652 40957 5229 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 6182 846 649 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 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 5437 4572 COGENT-174, US
18403 4445 4420 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 /15:2185 /16:13960 /17:8441 /18:14030
/19:25317 /20:46140 /21:54535 /22:115844 /23:111150 /24:641353
/25:401 /26:584 /27:1041 /28:69 /29:102 /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 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 2501 3350 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2348 13652 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 2:1478 3:827 4:25 5:5054 6:162
7:6 8:1642 9:1 11:172 12:1351 13:450
14:2574 15:365 16:285 17:377 18:922 20:560
21:4 22:188 23:7692 24:2978 25:2 27:2832
29:19 31:3359 32:46 33:1 34:84 35:260
36:3169 37:4673 38:10672 39:909 40:175 41:4805
42:1997 43:2654 44:387 45:20178 46:5179 47:323
49:1996 50:1898 51:591 52:1597 54:324 55:1082
56:11 57:279 58:2312 59:1415 60:1171 61:3045
62:3053 63:1822 64:5541 65:2201 66:4759 67:3137
68:1136 69:4021 70:1089 71:633 72:2965 74:2837
75:1526 76:626 77:2835 78:4337 79:1739 80:2248
81:2237 82:3245 83:1476 84:1894 85:4421 86:1103
87:2406 88:3575 89:4578 90:773 91:8512 92:2746
93:2954 94:4126 95:5628 96:1486 97:315 98:984
99:687 100:73 101:1445 102:4446 103:32565 104:5178
105:2243 106:1043 107:2678 108:1262 109:4154 110:2239
111:3354 112:2148 113:1856 114:2010 115:2266 116:2125
117:2538 118:2898 119:1974 120:2090 121:1447 122:2819
123:2497 124:1709 125:2925 126:91 128:1638 129:994
130:1335 131:2210 132:893 133:451 134:1559 135:395
136:1357 137:1190 138:3199 139:1585 140:1626 141:1504
142:1960 143:2001 144:1171 145:550 146:2208 147:2122
148:2699 149:3000 150:1271 151:1985 152:2106 153:586
154:7717 155:1772 156:2888 157:1942 158:1334 159:2501
160:3714 161:1911 162:3890 163:2243 164:1879 165:2067
166:1497 167:2013 168:4298 169:821 170:5578 171:1011
172:4488 173:3368 174:922 175:1303 176:3850 177:6188
178:3942 179:2773 180:2704 181:4339 182:3463 183:2187
184:2133 185:21738 186:5937 187:5209 188:4387 189:4720
190:10034 191:2073 192:11361 193:9544 194:7914 195:5717
196:3680 197:3946 198:6238 199:8563 200:8837 201:6636
202:10765 203:10808 204:4606 205:3705 206:4554 207:3610
208:4309 209:5260 210:4937 211:2644 212:4803 213:3907
214:1029 215:48 216:6857 217:3273 218:1418 219:571
220:2141 221:1148 222:857 223:2530
End of report
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