[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jun 26 22:45:13 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 26 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: 1038901
Prefixes after maximum aggregation (per Origin AS): 385321
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 484185
Total ASes present in the Internet Routing Table: 77073
Prefixes per ASN: 13.48
Origin-only ASes present in the Internet Routing Table: 66358
Origin ASes announcing only one prefix: 26344
Transit ASes present in the Internet Routing Table: 10715
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: 77
Max AS path prepend of ASN (133647) 73
Prefixes from unregistered ASNs in the Routing Table: 1224
Number of instances of unregistered ASNs: 1267
Number of 32-bit ASNs allocated by the RIRs: 46652
Number of 32-bit ASNs visible in the Routing Table: 38513
Prefixes from 32-bit ASNs in the Routing Table: 216510
Number of bogon 32-bit ASNs visible in the Routing Table: 161
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 464
Number of addresses announced to Internet: 3107553036
Equivalent to 185 /8s, 57 /16s and 127 /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: 350847
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 268051
Total APNIC prefixes after maximum aggregation: 78201
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 258760
Unique aggregates announced from the APNIC address blocks: 104684
APNIC Region origin ASes present in the Internet Routing Table: 14694
APNIC Prefixes per ASN: 17.61
APNIC Region origin ASes announcing only one prefix: 4475
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: 77
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10208
Number of APNIC addresses announced to Internet: 749797958
Equivalent to 44 /8s, 177 /16s and 2 /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: 298606
Total ARIN prefixes after maximum aggregation: 132950
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299721
Unique aggregates announced from the ARIN address blocks: 139635
ARIN Region origin ASes present in the Internet Routing Table: 19252
ARIN Prefixes per ASN: 15.57
ARIN Region origin ASes announcing only one prefix: 7012
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: 5250
Number of ARIN addresses announced to Internet: 1349511936
Equivalent to 80 /8s, 111 /16s and 235 /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: 293166
Total RIPE prefixes after maximum aggregation: 136781
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 291542
Unique aggregates announced from the RIPE address blocks: 176802
RIPE Region origin ASes present in the Internet Routing Table: 28992
RIPE Prefixes per ASN: 10.06
RIPE Region origin ASes announcing only one prefix: 12022
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: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12533
Number of RIPE addresses announced to Internet: 731430246
Equivalent to 43 /8s, 152 /16s and 189 /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: 138291
Total LACNIC prefixes after maximum aggregation: 29787
LACNIC Deaggregation factor: 4.64
Prefixes being announced from the LACNIC address blocks: 134912
Unique aggregates announced from the LACNIC address blocks: 48844
LACNIC Region origin ASes present in the Internet Routing Table: 11284
LACNIC Prefixes per ASN: 11.96
LACNIC Region origin ASes announcing only one prefix: 2175
LACNIC Region transit ASes present in the Internet Routing Table: 2468
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: 9229
Number of LACNIC addresses announced to Internet: 171305568
Equivalent to 10 /8s, 53 /16s and 234 /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: 39563
Total AfriNIC prefixes after maximum aggregation: 6819
AfriNIC Deaggregation factor: 5.80
Prefixes being announced from the AfriNIC address blocks: 53501
Unique aggregates announced from the AfriNIC address blocks: 13804
AfriNIC Region origin ASes present in the Internet Routing Table: 1927
AfriNIC Prefixes per ASN: 27.76
AfriNIC Region origin ASes announcing only one prefix: 660
AfriNIC Region transit ASes present in the Internet Routing Table: 366
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1293
Number of AfriNIC addresses announced to Internet: 105235456
Equivalent to 6 /8s, 69 /16s and 196 /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 11472 8759 115 CHINAMOBILE-CN China Mobile Communication
7545 6157 846 653 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4436 534 309 BBIL-AP BHARTI Airtel Ltd., IN
18403 4413 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3718 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3305 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2895 857 531 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2289 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 13621 40955 5222 AMAZON-02, US
174 5377 8758 852 COGENT-174, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3352 3032 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3195 3854 430 GOOGLE-CLOUD-PLATFORM, US
16625 3128 1314 2259 AKAMAI-AS, US
36352 2834 231 859 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 7672 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4084 3396 140 AKAMAI-ASN1, NL
9009 3928 360 2104 M247, RO
12389 3121 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2452 364 576 TELLCOM-AS, TR
212238 2329 171 1707 CDNEXT, GB
8452 1936 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 12283 3256 575 UNINET, MX
10620 3506 481 1018 Telmex Colombia S.A., CO
13999 2539 538 354 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1613 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 371 22 Telefonica del Peru S.A.A., PE
11664 1183 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1065 71 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1053 2487 55 TIM SA, BR
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 1822 644 27 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1621 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 1078 523 46 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 13621 40955 5222 AMAZON-02, US
8151 12283 3256 575 UNINET, MX
9808 11472 8759 115 CHINAMOBILE-CN China Mobile Communication
47331 9759 1297 1052 TTNET, TR
12479 7672 1713 148 UNI2-AS, ES
7545 6157 846 653 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5377 8758 852 COGENT-174, US
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
11492 4781 317 604 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 12283 11708 UNINET, MX
9808 11472 11357 CHINAMOBILE-CN China Mobile Communications Grou
47331 9759 8707 TTNET, TR
12479 7672 7524 UNI2-AS, ES
7545 6157 5504 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4775 ERX-CERNET-BKB China Education and Research Net
39891 4780 4714 ALJAWWALSTC-AS, SA
174 5377 4525 COGENT-174, US
18403 4413 4388 FPT-AS-AP FPT Telecom Company, VN
11492 4781 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
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
23.140.164.0/24 Origin: 396108 WHYLE-LABS-SELF-01, CA
23.140.164.0/24 Transit: 20473 AS-VULTR, 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
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 /12:299
/13:585 /14:1220 /15:2188 /16:13937 /17:8436 /18:13936
/19:25279 /20:46167 /21:54645 /22:115830 /23:111177 /24:641953
/25:402 /26:583 /27:1042 /28:69 /29:105 /30:18
/31:3 /32:863
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8838 9759 TTNET, TR
12479 6595 7672 UNI2-AS, ES
8151 6470 12283 UNINET, MX
11492 3577 4781 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3637 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2503 3352 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2341 13621 AMAZON-02, US
30036 2259 2600 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2427 2:1538 3:823 4:25 5:5031 6:161
7:6 8:1633 9:1 11:172 12:1345 13:445
14:2575 15:366 16:285 17:378 18:921 20:561
21:4 22:188 23:7721 24:2967 25:2 27:2788
29:19 31:3386 32:50 33:1 34:84 35:261
36:3204 37:4696 38:10635 39:908 40:205 41:4800
42:1945 43:2645 44:382 45:20226 46:5199 47:327
49:1967 50:1905 51:592 52:1589 54:324 55:1102
56:11 57:281 58:2305 59:1415 60:1172 61:3043
62:3060 63:1817 64:5558 65:2204 66:4782 67:3141
68:1148 69:4025 70:1088 71:631 72:2962 74:2830
75:1527 76:611 77:2865 78:4366 79:1749 80:2248
81:2256 82:3252 83:1489 84:1895 85:4429 86:1098
87:2412 88:3579 89:4578 90:780 91:8528 92:2759
93:2959 94:4133 95:5677 96:1490 97:314 98:984
99:685 100:72 101:1422 102:4369 103:32572 104:5246
105:2243 106:976 107:2667 108:1262 109:4176 110:2248
111:3351 112:2146 113:1881 114:2013 115:2235 116:2130
117:2543 118:2872 119:1969 120:2117 121:1440 122:2815
123:2517 124:1666 125:2928 126:91 128:1639 129:991
130:1340 131:2215 132:842 133:451 134:1566 135:395
136:1358 137:1189 138:3174 139:1581 140:1630 141:1513
142:1961 143:2050 144:1181 145:565 146:2206 147:2122
148:2717 149:2998 150:1276 151:2110 152:2106 153:591
154:8223 155:1780 156:3211 157:1953 158:1339 159:2507
160:3709 161:1912 162:3899 163:2236 164:1900 165:2092
166:1507 167:2024 168:4284 169:807 170:5575 171:1009
172:4491 173:3386 174:922 175:1324 176:3849 177:5977
178:4090 179:2732 180:2684 181:4314 182:3464 183:2211
184:2127 185:21907 186:5849 187:5068 188:4372 189:4683
190:9987 191:1704 192:11364 193:9546 194:7920 195:5696
196:3690 197:3935 198:6244 199:8602 200:8787 201:6630
202:10728 203:10782 204:4619 205:3699 206:4531 207:3617
208:4298 209:5257 210:4933 211:2642 212:4795 213:3927
214:1016 215:45 216:6859 217:3285 218:1424 219:570
220:2138 221:1157 222:857 223:2567
End of report
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