[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jul 26 22:47:05 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 26 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: 1043391
Prefixes after maximum aggregation (per Origin AS): 388414
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 213642
Total ASes present in the Internet Routing Table: 77214
Prefixes per ASN: 13.51
Origin-only ASes present in the Internet Routing Table: 66441
Origin ASes announcing only one prefix: 26367
Transit ASes present in the Internet Routing Table: 10773
Transit-only ASes present in the Internet Routing Table: 543
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: 1220
Number of instances of unregistered ASNs: 1262
Number of 32-bit ASNs allocated by the RIRs: 46946
Number of 32-bit ASNs visible in the Routing Table: 38728
Prefixes from 32-bit ASNs in the Routing Table: 218428
Number of bogon 32-bit ASNs visible in the Routing Table: 124
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 471
Number of addresses announced to Internet: 3978671514
Equivalent to 237 /8s, 37 /16s and 181 /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: 351477
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 271009
Total APNIC prefixes after maximum aggregation: 78606
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 261913
Unique aggregates announced from the APNIC address blocks: 67882
APNIC Region origin ASes present in the Internet Routing Table: 14772
APNIC Prefixes per ASN: 17.73
APNIC Region origin ASes announcing only one prefix: 4510
APNIC Region transit ASes present in the Internet Routing Table: 1957
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10292
Number of APNIC addresses announced to Internet: 465176584
Equivalent to 27 /8s, 186 /16s and 8 /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: 299131
Total ARIN prefixes after maximum aggregation: 133564
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300457
Unique aggregates announced from the ARIN address blocks: 51048
ARIN Region origin ASes present in the Internet Routing Table: 19264
ARIN Prefixes per ASN: 15.60
ARIN Region origin ASes announcing only one prefix: 7023
ARIN Region transit ASes present in the Internet Routing Table: 1926
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: 5269
Number of ARIN addresses announced to Internet: 855928320
Equivalent to 51 /8s, 4 /16s and 110 /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: 293350
Total RIPE prefixes after maximum aggregation: 138559
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 292075
Unique aggregates announced from the RIPE address blocks: 81827
RIPE Region origin ASes present in the Internet Routing Table: 29018
RIPE Prefixes per ASN: 10.07
RIPE Region origin ASes announcing only one prefix: 12022
RIPE Region transit ASes present in the Internet Routing Table: 3879
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: 12615
Number of RIPE addresses announced to Internet: -1688892782
Equivalent to 155 /8s, 85 /16s and 138 /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: 139486
Total LACNIC prefixes after maximum aggregation: 29922
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 135928
Unique aggregates announced from the LACNIC address blocks: 6096
LACNIC Region origin ASes present in the Internet Routing Table: 11278
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2159
LACNIC Region transit ASes present in the Internet Routing Table: 2469
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: 9239
Number of LACNIC addresses announced to Internet: 3618304
Equivalent to 0 /8s, 55 /16s and 54 /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: 39195
Total AfriNIC prefixes after maximum aggregation: 6981
AfriNIC Deaggregation factor: 5.61
Prefixes being announced from the AfriNIC address blocks: 52546
Unique aggregates announced from the AfriNIC address blocks: 6589
AfriNIC Region origin ASes present in the Internet Routing Table: 1946
AfriNIC Prefixes per ASN: 27.00
AfriNIC Region origin ASes announcing only one prefix: 653
AfriNIC Region transit ASes present in the Internet Routing Table: 370
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: 1313
Number of AfriNIC addresses announced to Internet: 47777280
Equivalent to 2 /8s, 217 /16s and 6 /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 12115 8761 116 CHINAMOBILE-CN China Mobile Communication
7545 6138 840 617 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4964 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4509 347 26 FPT-AS-AP FPT Telecom Company, VN
9498 4467 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3918 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3717 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3303 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2915 864 511 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2820 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 13700 40975 5278 AMAZON-02, US
174 5379 8771 862 COGENT-174, US
11492 4819 319 605 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3342 3030 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3223 54766 2474 DNIC-AS-00749, US
396982 3198 3856 434 GOOGLE-CLOUD-PLATFORM, US
16625 3078 1302 2227 AKAMAI-AS, US
4155 2879 218 1729 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 9352 1255 2037 TTNET, TR
12479 7595 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4065 3396 140 AKAMAI-ASN1, NL
9009 3824 363 2137 M247, RO
12389 3121 2315 870 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2455 364 579 TELLCOM-AS, TR
212238 2323 164 1691 CDNEXT, GB
8452 1846 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 12401 3260 576 UNINET, MX
10620 3484 474 1024 Telmex Colombia S.A., CO
13999 2525 511 349 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1615 2435 269 Claro NXT Telecomunicacoes Ltda, BR
3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1189 371 22 Telefonica del Peru S.A.A., PE
11664 1189 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1070 71 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1020 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 1732 660 28 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1313 1489 356 ETISALAT-MISR, EG
20011 1298 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
24863 1228 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 832 520 43 Vodafone-, EG
36914 577 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 13700 40975 5278 AMAZON-02, US
8151 12401 3260 576 UNINET, MX
9808 12115 8761 116 CHINAMOBILE-CN China Mobile Communication
47331 9352 1255 2037 TTNET, TR
12479 7595 1712 148 UNI2-AS, ES
7545 6138 840 617 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5379 8771 862 COGENT-174, US
4538 4964 4194 78 ERX-CERNET-BKB China Education and Resear
11492 4819 319 605 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 12115 11999 CHINAMOBILE-CN China Mobile Communications Grou
8151 12401 11825 UNINET, MX
12479 7595 7447 UNI2-AS, ES
47331 9352 7315 TTNET, TR
7545 6138 5521 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4964 4886 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5379 4517 COGENT-174, US
18403 4509 4483 FPT-AS-AP FPT Telecom Company, VN
11492 4819 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
/13:582 /14:1220 /15:2184 /16:13908 /17:8480 /18:14043
/19:25375 /20:46182 /21:54554 /22:115688 /23:111478 /24:646156
/25:408 /26:579 /27:1044 /28:73 /29:96 /30:16
/31:1 /32:861
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8446 9352 TTNET, TR
8151 6585 12401 UNINET, MX
12479 6543 7595 UNI2-AS, ES
11492 3611 4819 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3637 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2494 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2351 13700 AMAZON-02, US
30036 2286 2627 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2458 2:1534 3:858 4:25 5:5079 6:163
7:6 8:1626 9:2 11:172 12:1343 13:465
14:2616 15:369 16:286 17:376 18:898 20:570
21:4 22:188 23:7839 24:2819 25:2 27:2858
29:19 31:3436 32:50 33:1 34:84 35:263
36:3864 37:4687 38:10777 39:943 40:248 41:4733
42:2014 43:2747 44:384 45:20293 46:5173 47:340
49:1945 50:2025 51:591 52:1586 54:325 55:1111
56:11 57:284 58:2274 59:1406 60:1171 61:2956
62:3060 63:1816 64:5603 65:2182 66:4850 67:3167
68:1110 69:4055 70:1068 71:632 72:2965 74:2846
75:1523 76:610 77:2878 78:4288 79:1715 80:2240
81:2229 82:3272 83:1485 84:1914 85:4420 86:1097
87:2412 88:3469 89:4579 90:780 91:8550 92:2737
93:2976 94:4170 95:5647 96:1507 97:314 98:956
99:692 100:71 101:1455 102:4512 103:32527 104:5271
105:2221 106:972 107:2672 108:1286 109:4256 110:2245
111:3410 112:2307 113:1873 114:1985 115:2283 116:2132
117:2627 118:3000 119:1996 120:2204 121:1402 122:2825
123:2432 124:1779 125:2929 126:91 128:1643 129:1003
130:1342 131:2231 132:879 133:450 134:1599 135:397
136:1471 137:1201 138:3193 139:1585 140:1695 141:1520
142:1958 143:2085 144:1174 145:571 146:2204 147:2105
148:2735 149:3000 150:1289 151:2240 152:2100 153:590
154:7921 155:1861 156:3146 157:1987 158:1358 159:2534
160:3715 161:1947 162:3905 163:2276 164:1920 165:2440
166:1532 167:2053 168:4298 169:814 170:5592 171:1007
172:4260 173:3427 174:920 175:1327 176:3871 177:6069
178:4133 179:2746 180:2655 181:4352 182:3531 183:2289
184:2124 185:21914 186:5966 187:5196 188:4400 189:4733
190:10025 191:1739 192:11407 193:9547 194:7887 195:5773
196:3679 197:3879 198:6259 199:8653 200:8879 201:6632
202:10875 203:10807 204:4692 205:3674 206:4560 207:3669
208:4302 209:5273 210:4978 211:2707 212:4770 213:3943
214:1021 215:48 216:6850 217:3276 218:1435 219:576
220:2149 221:1204 222:877 223:2758
End of report
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