[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jul 22 22:46:50 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 22 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: 1042580
Prefixes after maximum aggregation (per Origin AS): 387659
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 213194
Total ASes present in the Internet Routing Table: 77166
Prefixes per ASN: 13.51
Origin-only ASes present in the Internet Routing Table: 66399
Origin ASes announcing only one prefix: 26340
Transit ASes present in the Internet Routing Table: 10767
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: 1204
Number of instances of unregistered ASNs: 1244
Number of 32-bit ASNs allocated by the RIRs: 46908
Number of 32-bit ASNs visible in the Routing Table: 38675
Prefixes from 32-bit ASNs in the Routing Table: 218018
Number of bogon 32-bit ASNs visible in the Routing Table: 122
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 465
Number of addresses announced to Internet: 3978732698
Equivalent to 237 /8s, 38 /16s and 164 /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: 351217
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 270711
Total APNIC prefixes after maximum aggregation: 78374
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 261501
Unique aggregates announced from the APNIC address blocks: 67824
APNIC Region origin ASes present in the Internet Routing Table: 14755
APNIC Prefixes per ASN: 17.72
APNIC Region origin ASes announcing only one prefix: 4500
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: 10279
Number of APNIC addresses announced to Internet: 465213448
Equivalent to 27 /8s, 186 /16s and 152 /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: 299159
Total ARIN prefixes after maximum aggregation: 133588
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300496
Unique aggregates announced from the ARIN address blocks: 50868
ARIN Region origin ASes present in the Internet Routing Table: 19255
ARIN Prefixes per ASN: 15.61
ARIN Region origin ASes announcing only one prefix: 7024
ARIN Region transit ASes present in the Internet Routing Table: 1918
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: 855953408
Equivalent to 51 /8s, 4 /16s and 208 /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: 293404
Total RIPE prefixes after maximum aggregation: 138022
RIPE Deaggregation factor: 2.13
Prefixes being announced from the RIPE address blocks: 292079
Unique aggregates announced from the RIPE address blocks: 81580
RIPE Region origin ASes present in the Internet Routing Table: 29012
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: 3878
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: 12599
Number of RIPE addresses announced to Internet: -1688898926
Equivalent to 155 /8s, 85 /16s and 114 /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: 139122
Total LACNIC prefixes after maximum aggregation: 29914
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135599
Unique aggregates announced from the LACNIC address blocks: 6107
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: 2138
LACNIC Region transit ASes present in the Internet Routing Table: 2476
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: 9220
Number of LACNIC addresses announced to Internet: 3620864
Equivalent to 0 /8s, 55 /16s and 64 /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: 38980
Total AfriNIC prefixes after maximum aggregation: 6977
AfriNIC Deaggregation factor: 5.59
Prefixes being announced from the AfriNIC address blocks: 52439
Unique aggregates announced from the AfriNIC address blocks: 6615
AfriNIC Region origin ASes present in the Internet Routing Table: 1942
AfriNIC Prefixes per ASN: 27.00
AfriNIC Region origin ASes announcing only one prefix: 656
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: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1308
Number of AfriNIC addresses announced to Internet: 47781376
Equivalent to 2 /8s, 217 /16s and 22 /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 12088 8761 117 CHINAMOBILE-CN China Mobile Communication
7545 6154 840 621 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4962 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4529 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4466 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3930 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3720 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3314 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2914 864 510 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 13699 40977 5287 AMAZON-02, US
174 5363 8771 858 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 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3222 54766 2473 DNIC-AS-00749, US
396982 3198 3856 434 GOOGLE-CLOUD-PLATFORM, US
16625 3097 1308 2236 AKAMAI-AS, US
4155 2877 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 9546 1277 1649 TTNET, TR
12479 7592 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4089 3396 140 AKAMAI-ASN1, NL
9009 3812 362 2127 M247, RO
12389 3125 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2455 364 579 TELLCOM-AS, TR
212238 2321 164 1689 CDNEXT, GB
8452 1875 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 3484 474 1027 Telmex Colombia S.A., CO
13999 2527 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 1196 371 22 Telefonica del Peru S.A.A., PE
11664 1186 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1069 71 372 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 1731 660 28 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1314 1488 357 ETISALAT-MISR, EG
20011 1298 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
24863 1230 389 20 LINKdotNET-AS, EG
37069 1097 1112 11 MOBINIL, EG
36935 834 520 42 Vodafone-, EG
36914 580 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 13699 40977 5287 AMAZON-02, US
8151 12390 3259 575 UNINET, MX
9808 12088 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9546 1277 1649 TTNET, TR
12479 7592 1712 148 UNI2-AS, ES
7545 6154 840 621 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5363 8771 858 COGENT-174, US
4538 4962 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
9808 12088 11971 CHINAMOBILE-CN China Mobile Communications Grou
8151 12390 11815 UNINET, MX
47331 9546 7897 TTNET, TR
12479 7592 7444 UNI2-AS, ES
7545 6154 5533 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4962 4884 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5363 4505 COGENT-174, US
18403 4529 4504 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
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 /15:2185 /16:13909 /17:8445 /18:14018
/19:25334 /20:46127 /21:54531 /22:115589 /23:111403 /24:645678
/25:411 /26:580 /27:1046 /28:73 /29:97 /30:16
/31:1 /32:872
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8626 9546 TTNET, TR
8151 6574 12390 UNINET, MX
12479 6536 7592 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 2493 3341 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2358 13699 AMAZON-02, US
30036 2272 2613 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2456 2:1533 3:854 4:25 5:5081 6:163
7:6 8:1625 9:1 11:172 12:1341 13:465
14:2622 15:367 16:286 17:379 18:898 20:569
21:4 22:188 23:7832 24:2834 25:2 27:2868
29:19 31:3426 32:50 33:1 34:84 35:263
36:3769 37:4675 38:10763 39:929 40:251 41:4723
42:2026 43:2739 44:382 45:20278 46:5173 47:340
49:1941 50:2021 51:591 52:1582 54:323 55:1112
56:11 57:283 58:2280 59:1406 60:1173 61:2966
62:3065 63:1820 64:5597 65:2190 66:4838 67:3162
68:1111 69:4055 70:1069 71:631 72:2964 74:2835
75:1524 76:610 77:2860 78:4322 79:1724 80:2243
81:2229 82:3255 83:1492 84:1913 85:4416 86:1093
87:2409 88:3528 89:4586 90:780 91:8546 92:2739
93:2977 94:4160 95:5663 96:1503 97:315 98:958
99:695 100:71 101:1452 102:4494 103:32539 104:5250
105:2222 106:973 107:2660 108:1278 109:4251 110:2245
111:3399 112:2282 113:1874 114:1969 115:2295 116:2132
117:2599 118:3004 119:1986 120:2194 121:1400 122:2820
123:2420 124:1766 125:2925 126:91 128:1647 129:999
130:1348 131:2221 132:884 133:450 134:1652 135:396
136:1410 137:1199 138:3208 139:1587 140:1697 141:1518
142:1954 143:2131 144:1199 145:569 146:2201 147:2117
148:2723 149:3000 150:1270 151:2239 152:2100 153:590
154:7983 155:1878 156:3162 157:1977 158:1359 159:2519
160:3749 161:1949 162:3880 163:2284 164:1927 165:2426
166:1527 167:2055 168:4303 169:813 170:5582 171:1004
172:4280 173:3422 174:920 175:1329 176:3881 177:6010
178:4137 179:2745 180:2646 181:4333 182:3515 183:2268
184:2124 185:21912 186:5934 187:5185 188:4407 189:4719
190:9990 191:1736 192:11413 193:9553 194:7881 195:5774
196:3664 197:3872 198:6263 199:8653 200:8789 201:6621
202:10868 203:10817 204:4703 205:3682 206:4565 207:3670
208:4310 209:5275 210:4969 211:2700 212:4771 213:3949
214:1022 215:48 216:6845 217:3258 218:1429 219:571
220:2150 221:1195 222:876 223:2724
End of report
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