[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jul 3 22:45:03 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 03 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: 1040303
Prefixes after maximum aggregation (per Origin AS): 385759
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 485683
Total ASes present in the Internet Routing Table: 77098
Prefixes per ASN: 13.49
Origin-only ASes present in the Internet Routing Table: 66349
Origin ASes announcing only one prefix: 26299
Transit ASes present in the Internet Routing Table: 10749
Transit-only ASes present in the Internet Routing Table: 548
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: 1175
Number of instances of unregistered ASNs: 1217
Number of 32-bit ASNs allocated by the RIRs: 46744
Number of 32-bit ASNs visible in the Routing Table: 38541
Prefixes from 32-bit ASNs in the Routing Table: 216583
Number of bogon 32-bit ASNs visible in the Routing Table: 157
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 459
Number of addresses announced to Internet: 3107660999
Equivalent to 185 /8s, 59 /16s and 36 /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: 351073
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 268709
Total APNIC prefixes after maximum aggregation: 77996
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 259706
Unique aggregates announced from the APNIC address blocks: 104822
APNIC Region origin ASes present in the Internet Routing Table: 14718
APNIC Prefixes per ASN: 17.65
APNIC Region origin ASes announcing only one prefix: 4469
APNIC Region transit ASes present in the Internet Routing Table: 1945
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: 10228
Number of APNIC addresses announced to Internet: 750046017
Equivalent to 44 /8s, 180 /16s and 203 /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: 298501
Total ARIN prefixes after maximum aggregation: 133316
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299397
Unique aggregates announced from the ARIN address blocks: 140385
ARIN Region origin ASes present in the Internet Routing Table: 19255
ARIN Prefixes per ASN: 15.55
ARIN Region origin ASes announcing only one prefix: 7014
ARIN Region transit ASes present in the Internet Routing Table: 1919
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: 5246
Number of ARIN addresses announced to Internet: 1349348352
Equivalent to 80 /8s, 109 /16s and 108 /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: 293423
Total RIPE prefixes after maximum aggregation: 136956
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 291946
Unique aggregates announced from the RIPE address blocks: 177162
RIPE Region origin ASes present in the Internet Routing Table: 28984
RIPE Prefixes per ASN: 10.07
RIPE Region origin ASes announcing only one prefix: 12001
RIPE Region transit ASes present in the Internet Routing Table: 3870
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: 12539
Number of RIPE addresses announced to Internet: 731544934
Equivalent to 43 /8s, 154 /16s and 125 /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: 138827
Total LACNIC prefixes after maximum aggregation: 29874
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135383
Unique aggregates announced from the LACNIC address blocks: 48947
LACNIC Region origin ASes present in the Internet Routing Table: 11287
LACNIC Prefixes per ASN: 11.99
LACNIC Region origin ASes announcing only one prefix: 2173
LACNIC Region transit ASes present in the Internet Routing Table: 2483
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: 9236
Number of LACNIC addresses announced to Internet: 171251232
Equivalent to 10 /8s, 53 /16s and 22 /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: 39668
Total AfriNIC prefixes after maximum aggregation: 6863
AfriNIC Deaggregation factor: 5.78
Prefixes being announced from the AfriNIC address blocks: 53411
Unique aggregates announced from the AfriNIC address blocks: 13956
AfriNIC Region origin ASes present in the Internet Routing Table: 1927
AfriNIC Prefixes per ASN: 27.72
AfriNIC Region origin ASes announcing only one prefix: 642
AfriNIC Region transit ASes present in the Internet Routing Table: 364
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1292
Number of AfriNIC addresses announced to Internet: 105216768
Equivalent to 6 /8s, 69 /16s and 123 /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 11619 8759 115 CHINAMOBILE-CN China Mobile Communication
7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4454 535 313 BBIL-AP BHARTI Airtel Ltd., IN
18403 4423 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3916 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3718 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3311 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2901 861 527 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2430 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 13605 40951 5233 AMAZON-02, US
174 5387 8766 862 COGENT-174, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
22773 3340 3032 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3226 54767 2477 DNIC-AS-00749, US
396982 3194 3854 431 GOOGLE-CLOUD-PLATFORM, US
16625 3129 1314 2258 AKAMAI-AS, US
4155 2843 216 1736 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 9764 1298 1046 TTNET, TR
12479 7655 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4090 3396 140 AKAMAI-ASN1, NL
9009 3924 360 2104 M247, RO
12389 3125 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2456 365 580 TELLCOM-AS, TR
212238 2351 169 1718 CDNEXT, GB
8452 1904 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 12309 3256 576 UNINET, MX
10620 3508 481 1019 Telmex Colombia S.A., CO
13999 2540 538 356 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1611 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 22 Telefonica del Peru S.A.A., PE
11664 1164 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1064 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 1784 604 28 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1620 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 1108 1100 18 MOBINIL, EG
36935 941 520 43 Vodafone-, EG
36914 576 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 13605 40951 5233 AMAZON-02, US
8151 12309 3256 576 UNINET, MX
9808 11619 8759 115 CHINAMOBILE-CN China Mobile Communication
47331 9764 1298 1046 TTNET, TR
12479 7655 1713 148 UNI2-AS, ES
7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5387 8766 862 COGENT-174, US
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4781 317 604 CABLEONE, US
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 12309 11733 UNINET, MX
9808 11619 11504 CHINAMOBILE-CN China Mobile Communications Grou
47331 9764 8718 TTNET, TR
12479 7655 7507 UNI2-AS, ES
7545 6148 5525 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4775 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5387 4525 COGENT-174, US
18403 4423 4398 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
23.140.216.0/24 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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
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 /12:298
/13:585 /14:1220 /15:2187 /16:13906 /17:8422 /18:14013
/19:25310 /20:46143 /21:54589 /22:115731 /23:111232 /24:643416
/25:406 /26:581 /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 8842 9764 TTNET, TR
12479 6578 7655 UNI2-AS, ES
8151 6493 12309 UNINET, MX
11492 3577 4781 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3431 3636 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2492 3340 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2350 13605 AMAZON-02, US
30036 2263 2604 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2434 2:1542 3:824 4:25 5:5060 6:162
7:6 8:1644 9:1 11:172 12:1348 13:452
14:2591 15:365 16:285 17:383 18:895 20:566
21:4 22:188 23:7797 24:2830 25:2 27:2842
29:19 31:3391 32:50 33:1 34:84 35:261
36:3290 37:4726 38:10635 39:910 40:230 41:4819
42:1943 43:2701 44:381 45:20230 46:5205 47:329
49:1932 50:1905 51:592 52:1586 54:321 55:1103
56:11 57:281 58:2284 59:1451 60:1173 61:3051
62:3072 63:1822 64:5577 65:2201 66:4810 67:3145
68:1116 69:4030 70:1073 71:631 72:2960 74:2827
75:1525 76:612 77:2879 78:4366 79:1763 80:2240
81:2262 82:3246 83:1494 84:1902 85:4435 86:1091
87:2416 88:3575 89:4590 90:779 91:8523 92:2768
93:2968 94:4157 95:5660 96:1501 97:314 98:961
99:691 100:72 101:1447 102:4453 103:32566 104:5241
105:2240 106:979 107:2656 108:1279 109:4208 110:2252
111:3307 112:2205 113:1877 114:1991 115:2258 116:2125
117:2555 118:3000 119:1977 120:2131 121:1395 122:2822
123:2522 124:1734 125:2926 126:91 128:1636 129:994
130:1328 131:2212 132:893 133:451 134:1577 135:435
136:1397 137:1189 138:3182 139:1590 140:1638 141:1514
142:1960 143:2072 144:1177 145:562 146:2199 147:2114
148:2709 149:2976 150:1272 151:2177 152:2114 153:590
154:8171 155:1792 156:3212 157:1962 158:1345 159:2513
160:3742 161:1911 162:3910 163:2241 164:1921 165:2098
166:1517 167:2038 168:4296 169:807 170:5581 171:1010
172:4468 173:3389 174:921 175:1323 176:3851 177:6009
178:4112 179:2741 180:2665 181:4319 182:3490 183:2207
184:2131 185:21926 186:5892 187:5102 188:4384 189:4700
190:10037 191:1691 192:11369 193:9548 194:7880 195:5742
196:3702 197:3947 198:6236 199:8607 200:8819 201:6628
202:10851 203:10791 204:4629 205:3703 206:4542 207:3656
208:4294 209:5213 210:4935 211:2657 212:4796 213:3940
214:1016 215:46 216:6862 217:3282 218:1424 219:573
220:2144 221:1154 222:847 223:2596
End of report
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