[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jul 25 22:47:13 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 25 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: 1042869
Prefixes after maximum aggregation (per Origin AS): 388712
Deaggregation factor: 2.68
Unique aggregates announced (without unneeded subnets): 213640
Total ASes present in the Internet Routing Table: 77203
Prefixes per ASN: 13.51
Origin-only ASes present in the Internet Routing Table: 66419
Origin ASes announcing only one prefix: 26363
Transit ASes present in the Internet Routing Table: 10784
Transit-only ASes present in the Internet Routing Table: 546
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: 46918
Number of 32-bit ASNs visible in the Routing Table: 38708
Prefixes from 32-bit ASNs in the Routing Table: 218205
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: 472
Number of addresses announced to Internet: 3978682266
Equivalent to 237 /8s, 37 /16s and 223 /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: 351232
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 270991
Total APNIC prefixes after maximum aggregation: 78565
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 261868
Unique aggregates announced from the APNIC address blocks: 67893
APNIC Region origin ASes present in the Internet Routing Table: 14759
APNIC Prefixes per ASN: 17.74
APNIC Region origin ASes announcing only one prefix: 4505
APNIC Region transit ASes present in the Internet Routing Table: 1951
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: 10281
Number of APNIC addresses announced to Internet: 465177864
Equivalent to 27 /8s, 186 /16s and 13 /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: 299078
Total ARIN prefixes after maximum aggregation: 133556
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300432
Unique aggregates announced from the ARIN address blocks: 51048
ARIN Region origin ASes present in the Internet Routing Table: 19269
ARIN Prefixes per ASN: 15.59
ARIN Region origin ASes announcing only one prefix: 7026
ARIN Region transit ASes present in the Internet Routing Table: 1925
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 33
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5273
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: 293317
Total RIPE prefixes after maximum aggregation: 138580
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 292023
Unique aggregates announced from the RIPE address blocks: 81815
RIPE Region origin ASes present in the Internet Routing Table: 29015
RIPE Prefixes per ASN: 10.06
RIPE Region origin ASes announcing only one prefix: 12018
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: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12607
Number of RIPE addresses announced to Internet: -1688887406
Equivalent to 155 /8s, 85 /16s and 159 /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: 139060
Total LACNIC prefixes after maximum aggregation: 30246
LACNIC Deaggregation factor: 4.60
Prefixes being announced from the LACNIC address blocks: 135517
Unique aggregates announced from the LACNIC address blocks: 6101
LACNIC Region origin ASes present in the Internet Routing Table: 11270
LACNIC Prefixes per ASN: 12.02
LACNIC Region origin ASes announcing only one prefix: 2155
LACNIC Region transit ASes present in the Internet Routing Table: 2481
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: 9232
Number of LACNIC addresses announced to Internet: 3620352
Equivalent to 0 /8s, 55 /16s and 62 /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: 39203
Total AfriNIC prefixes after maximum aggregation: 6980
AfriNIC Deaggregation factor: 5.62
Prefixes being announced from the AfriNIC address blocks: 52556
Unique aggregates announced from the AfriNIC address blocks: 6581
AfriNIC Region origin ASes present in the Internet Routing Table: 1949
AfriNIC Prefixes per ASN: 26.97
AfriNIC Region origin ASes announcing only one prefix: 659
AfriNIC Region transit ASes present in the Internet Routing Table: 369
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: 1315
Number of AfriNIC addresses announced to Internet: 47779328
Equivalent to 2 /8s, 217 /16s and 14 /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 6140 840 619 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4963 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4509 347 25 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 13684 40976 5282 AMAZON-02, US
174 5378 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 3197 3856 433 GOOGLE-CLOUD-PLATFORM, US
16625 3078 1302 2227 AKAMAI-AS, US
4155 2883 218 1731 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 7594 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4066 3396 140 AKAMAI-ASN1, NL
9009 3827 363 2140 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 12393 3260 576 UNINET, MX
10620 3485 474 1025 Telmex Colombia S.A., CO
13999 2508 373 684 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 1348 787 206 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 1729 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 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 13684 40976 5282 AMAZON-02, US
8151 12393 3260 576 UNINET, MX
9808 12115 8761 116 CHINAMOBILE-CN China Mobile Communication
47331 9352 1255 2037 TTNET, TR
12479 7594 1712 148 UNI2-AS, ES
7545 6140 840 619 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5378 8771 862 COGENT-174, US
4538 4963 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 12393 11817 UNINET, MX
12479 7594 7446 UNI2-AS, ES
47331 9352 7315 TTNET, TR
7545 6140 5521 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4963 4885 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5378 4516 COGENT-174, US
18403 4509 4484 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
/13:580 /14:1220 /15:2183 /16:13908 /17:8476 /18:14039
/19:25362 /20:46172 /21:54536 /22:115645 /23:111426 /24:645782
/25:408 /26:578 /27:1045 /28:74 /29:97 /30:16
/31:1 /32:858
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8446 9352 TTNET, TR
8151 6579 12393 UNINET, MX
12479 6542 7594 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 2345 13684 AMAZON-02, US
30036 2284 2625 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 2:1533 3:857 4:25 5:5079 6:163
7:6 8:1624 9:2 11:172 12:1345 13:465
14:2616 15:368 16:286 17:376 18:898 20:570
21:4 22:188 23:7839 24:2826 25:2 27:2860
29:19 31:3437 32:50 33:1 34:84 35:262
36:3864 37:4687 38:10780 39:943 40:248 41:4731
42:2014 43:2748 44:384 45:20270 46:5166 47:340
49:1943 50:2025 51:587 52:1582 54:323 55:1112
56:11 57:284 58:2274 59:1406 60:1171 61:2956
62:3055 63:1815 64:5598 65:2178 66:4848 67:3164
68:1110 69:4052 70:1068 71:632 72:2965 74:2838
75:1525 76:610 77:2878 78:4289 79:1722 80:2238
81:2219 82:3273 83:1485 84:1914 85:4420 86:1097
87:2412 88:3469 89:4572 90:780 91:8545 92:2738
93:2977 94:4170 95:5646 96:1507 97:314 98:956
99:692 100:71 101:1455 102:4518 103:32536 104:5274
105:2221 106:972 107:2673 108:1284 109:4250 110:2245
111:3412 112:2311 113:1873 114:1983 115:2282 116:2133
117:2627 118:3000 119:1996 120:2205 121:1402 122:2824
123:2432 124:1778 125:2929 126:91 128:1644 129:1003
130:1346 131:2218 132:886 133:450 134:1599 135:397
136:1473 137:1203 138:3181 139:1588 140:1697 141:1521
142:1958 143:2069 144:1175 145:571 146:2205 147:2106
148:2735 149:3002 150:1289 151:2241 152:2097 153:588
154:7909 155:1868 156:3145 157:1982 158:1358 159:2527
160:3710 161:1947 162:3910 163:2274 164:1928 165:2433
166:1533 167:2054 168:4277 169:813 170:5574 171:1007
172:4260 173:3427 174:920 175:1327 176:3871 177:5990
178:4135 179:2735 180:2652 181:4343 182:3538 183:2293
184:2123 185:21920 186:5913 187:5196 188:4408 189:4734
190:10023 191:1733 192:11409 193:9541 194:7887 195:5776
196:3682 197:3880 198:6267 199:8667 200:8814 201:6614
202:10876 203:10797 204:4690 205:3673 206:4564 207:3670
208:4304 209:5273 210:4979 211:2707 212:4769 213:3942
214:1022 215:48 216:6854 217:3277 218:1435 219:576
220:2147 221:1199 222:874 223:2725
End of report
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