[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jul 20 22:46:43 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sun 20 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: 1042606
Prefixes after maximum aggregation (per Origin AS): 386926
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 213104
Total ASes present in the Internet Routing Table: 77165
Prefixes per ASN: 13.51
Origin-only ASes present in the Internet Routing Table: 66400
Origin ASes announcing only one prefix: 26336
Transit ASes present in the Internet Routing Table: 10765
Transit-only ASes present in the Internet Routing Table: 550
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: 1199
Number of instances of unregistered ASNs: 1238
Number of 32-bit ASNs allocated by the RIRs: 46910
Number of 32-bit ASNs visible in the Routing Table: 38654
Prefixes from 32-bit ASNs in the Routing Table: 217706
Number of bogon 32-bit ASNs visible in the Routing Table: 120
Special use prefixes present in the Routing Table: 54
Prefixes being announced from unallocated address space: 488
Number of addresses announced to Internet: 3978745754
Equivalent to 237 /8s, 38 /16s and 215 /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: 351447
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 270575
Total APNIC prefixes after maximum aggregation: 78463
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 261243
Unique aggregates announced from the APNIC address blocks: 67875
APNIC Region origin ASes present in the Internet Routing Table: 14755
APNIC Prefixes per ASN: 17.71
APNIC Region origin ASes announcing only one prefix: 4504
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: 10278
Number of APNIC addresses announced to Internet: 465231879
Equivalent to 27 /8s, 186 /16s and 224 /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: 299068
Total ARIN prefixes after maximum aggregation: 133469
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300402
Unique aggregates announced from the ARIN address blocks: 50755
ARIN Region origin ASes present in the Internet Routing Table: 19253
ARIN Prefixes per ASN: 15.60
ARIN Region origin ASes announcing only one prefix: 7017
ARIN Region transit ASes present in the Internet Routing Table: 1927
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: 5265
Number of ARIN addresses announced to Internet: 855949568
Equivalent to 51 /8s, 4 /16s and 193 /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: 293680
Total RIPE prefixes after maximum aggregation: 137375
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 292461
Unique aggregates announced from the RIPE address blocks: 81601
RIPE Region origin ASes present in the Internet Routing Table: 29016
RIPE Prefixes per ASN: 10.08
RIPE Region origin ASes announcing only one prefix: 12017
RIPE Region transit ASes present in the Internet Routing Table: 3869
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12584
Number of RIPE addresses announced to Internet: -1688852589
Equivalent to 155 /8s, 86 /16s and 39 /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: 139132
Total LACNIC prefixes after maximum aggregation: 29884
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 135634
Unique aggregates announced from the LACNIC address blocks: 6115
LACNIC Region origin ASes present in the Internet Routing Table: 11263
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2148
LACNIC Region transit ASes present in the Internet Routing Table: 2484
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: 9224
Number of LACNIC addresses announced to Internet: 3618048
Equivalent to 0 /8s, 55 /16s and 53 /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: 38952
Total AfriNIC prefixes after maximum aggregation: 6960
AfriNIC Deaggregation factor: 5.60
Prefixes being announced from the AfriNIC address blocks: 52377
Unique aggregates announced from the AfriNIC address blocks: 6574
AfriNIC Region origin ASes present in the Internet Routing Table: 1936
AfriNIC Prefixes per ASN: 27.05
AfriNIC Region origin ASes announcing only one prefix: 650
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: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1303
Number of AfriNIC addresses announced to Internet: 47743232
Equivalent to 2 /8s, 216 /16s and 129 /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 11880 8761 117 CHINAMOBILE-CN China Mobile Communication
7545 6160 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4964 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4530 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4466 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3929 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3721 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3313 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2909 863 522 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2742 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 13707 40977 5287 AMAZON-02, US
174 5368 8771 862 COGENT-174, US
11492 4813 319 611 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3341 3032 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3223 54766 2474 DNIC-AS-00749, US
396982 3196 3855 432 GOOGLE-CLOUD-PLATFORM, US
16625 3099 1308 2237 AKAMAI-AS, US
4155 2864 217 1734 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 9772 1301 1045 TTNET, TR
12479 7605 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4090 3396 140 AKAMAI-ASN1, NL
9009 3809 362 2124 M247, RO
12389 3125 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2454 364 578 TELLCOM-AS, TR
212238 2323 164 1691 CDNEXT, GB
8452 1845 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 12390 3259 575 UNINET, MX
10620 3514 482 1020 Telmex Colombia S.A., CO
13999 2529 511 349 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1613 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 371 22 Telefonica del Peru S.A.A., PE
11664 1181 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1069 71 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1022 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 1735 660 28 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
20011 1298 204 345 INTERNET-SOLUTIONS, ZA
36992 1261 1484 342 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
24863 1225 389 22 LINKdotNET-AS, EG
37069 1097 1112 11 MOBINIL, EG
36935 824 520 42 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 13707 40977 5287 AMAZON-02, US
8151 12390 3259 575 UNINET, MX
9808 11880 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9772 1301 1045 TTNET, TR
12479 7605 1712 148 UNI2-AS, ES
7545 6160 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5368 8771 862 COGENT-174, US
4538 4964 4194 78 ERX-CERNET-BKB China Education and Resear
11492 4813 319 611 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
8151 12390 11815 UNINET, MX
9808 11880 11763 CHINAMOBILE-CN China Mobile Communications Grou
47331 9772 8727 TTNET, TR
12479 7605 7457 UNI2-AS, ES
7545 6160 5538 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 5368 4506 COGENT-174, US
18403 4530 4505 FPT-AS-AP FPT Telecom Company, VN
11492 4813 4202 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
198.18.0.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.1.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.2.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.3.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.4.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.5.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.6.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.7.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.9.0/24 18229 CTRLS-AS-IN CtrlS, IN
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 /16:13902 /17:8448 /18:14016
/19:25343 /20:46164 /21:54550 /22:115569 /23:111431 /24:645652
/25:409 /26:582 /27:1047 /28:73 /29:98 /30:16
/31:1 /32:856
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8844 9772 TTNET, TR
8151 6574 12390 UNINET, MX
12479 6547 7605 UNI2-AS, ES
11492 3606 4813 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3637 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2494 3341 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2354 13707 AMAZON-02, US
30036 2270 2611 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2455 2:1534 3:854 4:25 5:5081 6:162
7:6 8:1624 9:1 11:172 12:1339 13:462
14:2610 15:367 16:286 17:380 18:897 20:569
21:4 22:188 23:7829 24:2834 25:2 27:2875
29:19 31:3424 32:50 33:1 34:84 35:263
36:3649 37:4693 38:10735 39:914 40:253 41:4692
42:2024 43:2732 44:377 45:20280 46:5186 47:340
49:1935 50:1957 51:591 52:1585 54:327 55:1112
56:11 57:283 58:2281 59:1404 60:1183 61:2967
62:3057 63:1823 64:5590 65:2189 66:4830 67:3159
68:1114 69:4039 70:1070 71:634 72:2963 74:2830
75:1524 76:606 77:2858 78:4376 79:1717 80:2236
81:2237 82:3261 83:1493 84:1908 85:4451 86:1094
87:2412 88:3576 89:4602 90:781 91:8545 92:2732
93:2974 94:4164 95:5684 96:1502 97:315 98:958
99:695 100:71 101:1448 102:4507 103:32526 104:5242
105:2213 106:971 107:2656 108:1276 109:4253 110:2247
111:3380 112:2261 113:1882 114:1974 115:2285 116:2130
117:2587 118:3005 119:1987 120:2189 121:1400 122:2820
123:2429 124:1766 125:2935 126:91 128:1634 129:1002
130:1339 131:2222 132:884 133:450 134:1653 135:436
136:1458 137:1197 138:3196 139:1584 140:1699 141:1510
142:1953 143:2131 144:1196 145:569 146:2195 147:2111
148:2722 149:3000 150:1269 151:2244 152:2102 153:591
154:7959 155:1869 156:3151 157:1980 158:1355 159:2519
160:3760 161:1944 162:3884 163:2277 164:1902 165:2411
166:1525 167:2058 168:4308 169:814 170:5586 171:1011
172:4276 173:3420 174:921 175:1327 176:3859 177:6000
178:4136 179:2746 180:2671 181:4353 182:3511 183:2261
184:2125 185:21921 186:5924 187:5186 188:4411 189:4718
190:10016 191:1735 192:11410 193:9551 194:7890 195:5774
196:3692 197:3897 198:6317 199:8638 200:8824 201:6632
202:10875 203:10813 204:4704 205:3688 206:4575 207:3666
208:4294 209:5275 210:4954 211:2698 212:4775 213:3961
214:1022 215:46 216:6866 217:3257 218:1427 219:574
220:2148 221:1194 222:876 223:2724
End of report
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