[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 19 22:46:12 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 19 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: 1042531
Prefixes after maximum aggregation (per Origin AS): 386893
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 213109
Total ASes present in the Internet Routing Table: 77170
Prefixes per ASN: 13.51
Origin-only ASes present in the Internet Routing Table: 66405
Origin ASes announcing only one prefix: 26341
Transit ASes present in the Internet Routing Table: 10765
Transit-only ASes present in the Internet Routing Table: 549
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: 1211
Number of instances of unregistered ASNs: 1252
Number of 32-bit ASNs allocated by the RIRs: 46890
Number of 32-bit ASNs visible in the Routing Table: 38656
Prefixes from 32-bit ASNs in the Routing Table: 217706
Number of bogon 32-bit ASNs visible in the Routing Table: 128
Special use prefixes present in the Routing Table: 54
Prefixes being announced from unallocated address space: 501
Number of addresses announced to Internet: 3978876058
Equivalent to 237 /8s, 40 /16s and 212 /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: 351436
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 270513
Total APNIC prefixes after maximum aggregation: 78454
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 261199
Unique aggregates announced from the APNIC address blocks: 67882
APNIC Region origin ASes present in the Internet Routing Table: 14762
APNIC Prefixes per ASN: 17.69
APNIC Region origin ASes announcing only one prefix: 4511
APNIC Region transit ASes present in the Internet Routing Table: 1958
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10282
Number of APNIC addresses announced to Internet: 465320199
Equivalent to 27 /8s, 188 /16s and 57 /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: 299058
Total ARIN prefixes after maximum aggregation: 133470
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300445
Unique aggregates announced from the ARIN address blocks: 50776
ARIN Region origin ASes present in the Internet Routing Table: 19252
ARIN Prefixes per ASN: 15.61
ARIN Region origin ASes announcing only one prefix: 7020
ARIN Region transit ASes present in the Internet Routing Table: 1924
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: 5261
Number of ARIN addresses announced to Internet: 855965184
Equivalent to 51 /8s, 4 /16s and 254 /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: 293653
Total RIPE prefixes after maximum aggregation: 137375
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 292376
Unique aggregates announced from the RIPE address blocks: 81585
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: 12014
RIPE Region transit ASes present in the Internet Routing Table: 3871
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: 12587
Number of RIPE addresses announced to Internet: -1688861037
Equivalent to 155 /8s, 86 /16s and 6 /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: 139152
Total LACNIC prefixes after maximum aggregation: 29884
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 135626
Unique aggregates announced from the LACNIC address blocks: 6110
LACNIC Region origin ASes present in the Internet Routing Table: 11262
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2145
LACNIC Region transit ASes present in the Internet Routing Table: 2482
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: 9223
Number of LACNIC addresses announced to Internet: 3617024
Equivalent to 0 /8s, 55 /16s and 49 /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: 38944
Total AfriNIC prefixes after maximum aggregation: 6934
AfriNIC Deaggregation factor: 5.62
Prefixes being announced from the AfriNIC address blocks: 52383
Unique aggregates announced from the AfriNIC address blocks: 6570
AfriNIC Region origin ASes present in the Internet Routing Table: 1937
AfriNIC Prefixes per ASN: 27.04
AfriNIC Region origin ASes announcing only one prefix: 651
AfriNIC Region transit ASes present in the Internet Routing Table: 368
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: 47777792
Equivalent to 2 /8s, 217 /16s and 8 /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 6159 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4964 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4525 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 13712 40977 5284 AMAZON-02, US
174 5368 8771 862 COGENT-174, US
11492 4810 319 622 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 3100 1308 2238 AKAMAI-AS, US
4155 2868 218 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 7602 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4089 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 12387 3255 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 1195 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 1736 660 28 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
20011 1297 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36992 1226 1482 324 ETISALAT-MISR, EG
24863 1225 389 22 LINKdotNET-AS, EG
37069 1101 1112 11 MOBINIL, EG
36935 824 520 42 Vodafone-, EG
36914 578 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 13712 40977 5284 AMAZON-02, US
8151 12387 3255 575 UNINET, MX
9808 11880 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9772 1301 1045 TTNET, TR
12479 7602 1712 148 UNI2-AS, ES
7545 6159 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 4810 319 622 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 12387 11812 UNINET, MX
9808 11880 11763 CHINAMOBILE-CN China Mobile Communications Grou
47331 9772 8727 TTNET, TR
12479 7602 7454 UNI2-AS, ES
7545 6159 5537 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 4525 4500 FPT-AS-AP FPT Telecom Company, VN
11492 4810 4188 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 /16:13904 /17:8445 /18:14012
/19:25343 /20:46174 /21:54557 /22:115559 /23:111399 /24:645604
/25:409 /26:583 /27:1046 /28:73 /29:98 /30:16
/31:1 /32:859
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8844 9772 TTNET, TR
8151 6574 12387 UNINET, MX
12479 6544 7602 UNI2-AS, ES
11492 3604 4810 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 2353 13712 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 2:1535 3:854 4:25 5:5077 6:163
7:6 8:1622 9:1 11:172 12:1339 13:460
14:2610 15:367 16:286 17:380 18:897 20:569
21:4 22:188 23:7828 24:2833 25:2 27:2876
29:19 31:3424 32:50 33:1 34:84 35:263
36:3649 37:4695 38:10738 39:914 40:253 41:4701
42:2024 43:2734 44:377 45:20285 46:5185 47:340
49:1935 50:1961 51:591 52:1587 54:327 55:1113
56:11 57:283 58:2281 59:1404 60:1174 61:2967
62:3059 63:1822 64:5592 65:2191 66:4828 67:3158
68:1114 69:4051 70:1070 71:634 72:2961 74:2829
75:1524 76:606 77:2859 78:4377 79:1718 80:2236
81:2237 82:3269 83:1493 84:1909 85:4449 86:1094
87:2410 88:3577 89:4601 90:781 91:8551 92:2724
93:2971 94:4164 95:5684 96:1502 97:315 98:958
99:696 100:71 101:1447 102:4507 103:32539 104:5242
105:2205 106:971 107:2656 108:1276 109:4242 110:2250
111:3379 112:2261 113:1882 114:1974 115:2285 116:2130
117:2587 118:3003 119:1987 120:2189 121:1400 122:2819
123:2429 124:1766 125:2935 126:91 128:1645 129:1001
130:1340 131:2220 132:882 133:450 134:1652 135:436
136:1460 137:1195 138:3201 139:1585 140:1699 141:1519
142:1951 143:2127 144:1196 145:569 146:2196 147:2111
148:2722 149:3001 150:1235 151:2242 152:2098 153:591
154:7962 155:1868 156:3154 157:1981 158:1355 159:2519
160:3760 161:1946 162:3891 163:2278 164:1904 165:2406
166:1527 167:2060 168:4309 169:815 170:5585 171:1011
172:4268 173:3419 174:921 175:1328 176:3859 177:6014
178:4133 179:2744 180:2669 181:4349 182:3504 183:2259
184:2124 185:21919 186:5924 187:5185 188:4410 189:4716
190:10013 191:1738 192:11410 193:9545 194:7888 195:5772
196:3693 197:3900 198:6315 199:8642 200:8817 201:6632
202:10875 203:10813 204:4703 205:3682 206:4577 207:3664
208:4302 209:5275 210:4926 211:2698 212:4776 213:3961
214:1022 215:46 216:6867 217:3255 218:1427 219:574
220:2146 221:1194 222:876 223:2724
End of report
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