[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 24 22:47:08 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 24 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: 1042761
Prefixes after maximum aggregation (per Origin AS): 387651
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 213333
Total ASes present in the Internet Routing Table: 77191
Prefixes per ASN: 13.51
Origin-only ASes present in the Internet Routing Table: 66404
Origin ASes announcing only one prefix: 26362
Transit ASes present in the Internet Routing Table: 10787
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: 1221
Number of instances of unregistered ASNs: 1264
Number of 32-bit ASNs allocated by the RIRs: 46895
Number of 32-bit ASNs visible in the Routing Table: 38689
Prefixes from 32-bit ASNs in the Routing Table: 218040
Number of bogon 32-bit ASNs visible in the Routing Table: 128
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 473
Number of addresses announced to Internet: 3978672538
Equivalent to 237 /8s, 37 /16s and 185 /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: 351288
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 270987
Total APNIC prefixes after maximum aggregation: 78545
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 261861
Unique aggregates announced from the APNIC address blocks: 67856
APNIC Region origin ASes present in the Internet Routing Table: 14755
APNIC Prefixes per ASN: 17.75
APNIC Region origin ASes announcing only one prefix: 4501
APNIC Region transit ASes present in the Internet Routing Table: 1955
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: 10277
Number of APNIC addresses announced to Internet: 465163528
Equivalent to 27 /8s, 185 /16s and 213 /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: 298915
Total ARIN prefixes after maximum aggregation: 133500
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300249
Unique aggregates announced from the ARIN address blocks: 51015
ARIN Region origin ASes present in the Internet Routing Table: 19265
ARIN Prefixes per ASN: 15.59
ARIN Region origin ASes announcing only one prefix: 7025
ARIN Region transit ASes present in the Internet Routing Table: 1923
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: 5268
Number of ARIN addresses announced to Internet: 855922944
Equivalent to 51 /8s, 4 /16s and 89 /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: 293364
Total RIPE prefixes after maximum aggregation: 137963
RIPE Deaggregation factor: 2.13
Prefixes being announced from the RIPE address blocks: 292047
Unique aggregates announced from the RIPE address blocks: 81578
RIPE Region origin ASes present in the Internet Routing Table: 29013
RIPE Prefixes per ASN: 10.07
RIPE Region origin ASes announcing only one prefix: 12025
RIPE Region transit ASes present in the Internet Routing Table: 3881
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: 12602
Number of RIPE addresses announced to Internet: -1688880238
Equivalent to 155 /8s, 85 /16s and 187 /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: 139137
Total LACNIC prefixes after maximum aggregation: 29889
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 135620
Unique aggregates announced from the LACNIC address blocks: 6110
LACNIC Region origin ASes present in the Internet Routing Table: 11268
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2155
LACNIC Region transit ASes present in the Internet Routing Table: 2477
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: 9230
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: 39137
Total AfriNIC prefixes after maximum aggregation: 6970
AfriNIC Deaggregation factor: 5.62
Prefixes being announced from the AfriNIC address blocks: 52510
Unique aggregates announced from the AfriNIC address blocks: 6573
AfriNIC Region origin ASes present in the Internet Routing Table: 1946
AfriNIC Prefixes per ASN: 26.98
AfriNIC Region origin ASes announcing only one prefix: 656
AfriNIC Region transit ASes present in the Internet Routing Table: 371
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: 1312
Number of AfriNIC addresses announced to Internet: 47781888
Equivalent to 2 /8s, 217 /16s and 24 /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 12098 8761 117 CHINAMOBILE-CN China Mobile Communication
7545 6140 840 620 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4963 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4510 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 2914 863 513 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 13695 40976 5284 AMAZON-02, US
174 5379 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 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 3078 1302 2227 AKAMAI-AS, US
4155 2874 218 1737 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 7595 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4066 3396 140 AKAMAI-ASN1, NL
9009 3825 363 2138 M247, RO
12389 3122 2315 870 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2455 364 579 TELLCOM-AS, TR
212238 2322 164 1690 CDNEXT, GB
8452 1854 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 12389 3259 576 UNINET, MX
10620 3486 474 1026 Telmex Colombia S.A., CO
13999 2525 511 349 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1614 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1348 787 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 371 22 Telefonica del Peru S.A.A., PE
11664 1187 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1071 71 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1017 372 160 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 1221 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 832 520 43 Vodafone-, EG
36914 582 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 13695 40976 5284 AMAZON-02, US
8151 12389 3259 576 UNINET, MX
9808 12098 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9546 1277 1649 TTNET, TR
12479 7595 1712 148 UNI2-AS, ES
7545 6140 840 620 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5379 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 12098 11981 CHINAMOBILE-CN China Mobile Communications Grou
8151 12389 11813 UNINET, MX
47331 9546 7897 TTNET, TR
12479 7595 7447 UNI2-AS, ES
7545 6140 5520 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 5379 4517 COGENT-174, US
18403 4510 4485 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
/13:582 /14:1220 /15:2184 /16:13912 /17:8480 /18:14044
/19:25365 /20:46165 /21:54540 /22:115627 /23:111468 /24:645641
/25:407 /26:575 /27:1044 /28:74 /29:96 /30:16
/31:1 /32:857
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8626 9546 TTNET, TR
8151 6575 12389 UNINET, MX
12479 6543 7595 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 2493 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2359 13695 AMAZON-02, US
30036 2283 2624 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 2:1530 3:855 4:25 5:5077 6:163
7:6 8:1624 9:2 11:172 12:1345 13:465
14:2616 15:368 16:286 17:376 18:898 20:569
21:4 22:188 23:7832 24:2826 25:2 27:2859
29:19 31:3435 32:50 33:1 34:84 35:263
36:3840 37:4686 38:10780 39:943 40:248 41:4713
42:2015 43:2746 44:384 45:20249 46:5174 47:340
49:1943 50:2020 51:591 52:1583 54:323 55:1062
56:11 57:284 58:2274 59:1406 60:1171 61:2959
62:3059 63:1819 64:5597 65:2190 66:4843 67:3161
68:1110 69:4036 70:1065 71:632 72:2962 74:2840
75:1525 76:610 77:2862 78:4321 79:1715 80:2238
81:2220 82:3260 83:1488 84:1912 85:4433 86:1097
87:2411 88:3528 89:4562 90:780 91:8542 92:2741
93:2972 94:4173 95:5662 96:1506 97:315 98:956
99:695 100:71 101:1455 102:4517 103:32526 104:5238
105:2217 106:972 107:2671 108:1284 109:4249 110:2245
111:3409 112:2311 113:1873 114:1983 115:2281 116:2132
117:2627 118:3001 119:1996 120:2203 121:1403 122:2824
123:2431 124:1777 125:2929 126:91 128:1644 129:1003
130:1342 131:2218 132:886 133:450 134:1598 135:397
136:1470 137:1199 138:3186 139:1587 140:1698 141:1520
142:1958 143:2087 144:1191 145:572 146:2205 147:2106
148:2725 149:3006 150:1278 151:2239 152:2097 153:590
154:7904 155:1869 156:3147 157:1980 158:1356 159:2525
160:3716 161:1947 162:3881 163:2272 164:1926 165:2420
166:1533 167:2054 168:4290 169:815 170:5576 171:1004
172:4261 173:3427 174:920 175:1327 176:3866 177:6000
178:4130 179:2736 180:2651 181:4351 182:3534 183:2293
184:2124 185:21882 186:5912 187:5199 188:4401 189:4729
190:10025 191:1739 192:11417 193:9545 194:7871 195:5766
196:3662 197:3886 198:6264 199:8663 200:8822 201:6626
202:10874 203:10809 204:4697 205:3676 206:4563 207:3669
208:4311 209:5268 210:4979 211:2707 212:4772 213:3943
214:1023 215:48 216:6849 217:3267 218:1435 219:576
220:2150 221:1199 222:875 223:2758
End of report
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