[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jun 19 22:45:32 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 19 Jun, 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: 1038925
Prefixes after maximum aggregation (per Origin AS): 384130
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 482857
Total ASes present in the Internet Routing Table: 77027
Prefixes per ASN: 13.49
Origin-only ASes present in the Internet Routing Table: 66300
Origin ASes announcing only one prefix: 26288
Transit ASes present in the Internet Routing Table: 10727
Transit-only ASes present in the Internet Routing Table: 535
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: 1241
Number of instances of unregistered ASNs: 1284
Number of 32-bit ASNs allocated by the RIRs: 46680
Number of 32-bit ASNs visible in the Routing Table: 38446
Prefixes from 32-bit ASNs in the Routing Table: 216285
Number of bogon 32-bit ASNs visible in the Routing Table: 162
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 454
Number of addresses announced to Internet: 3107691270
Equivalent to 185 /8s, 59 /16s and 155 /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: 351828
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267842
Total APNIC prefixes after maximum aggregation: 77827
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 259093
Unique aggregates announced from the APNIC address blocks: 104644
APNIC Region origin ASes present in the Internet Routing Table: 14667
APNIC Prefixes per ASN: 17.67
APNIC Region origin ASes announcing only one prefix: 4444
APNIC Region transit ASes present in the Internet Routing Table: 1940
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: 10169
Number of APNIC addresses announced to Internet: 749783616
Equivalent to 44 /8s, 176 /16s and 202 /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: 297913
Total ARIN prefixes after maximum aggregation: 132743
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299364
Unique aggregates announced from the ARIN address blocks: 139403
ARIN Region origin ASes present in the Internet Routing Table: 19250
ARIN Prefixes per ASN: 15.55
ARIN Region origin ASes announcing only one prefix: 7012
ARIN Region transit ASes present in the Internet Routing Table: 1914
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: 5244
Number of ARIN addresses announced to Internet: 1349807360
Equivalent to 80 /8s, 116 /16s and 109 /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: 292595
Total RIPE prefixes after maximum aggregation: 136188
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 291021
Unique aggregates announced from the RIPE address blocks: 176003
RIPE Region origin ASes present in the Internet Routing Table: 28979
RIPE Prefixes per ASN: 10.04
RIPE Region origin ASes announcing only one prefix: 12021
RIPE Region transit ASes present in the Internet Routing Table: 3872
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: 12512
Number of RIPE addresses announced to Internet: 731402342
Equivalent to 43 /8s, 152 /16s and 80 /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: 139570
Total LACNIC prefixes after maximum aggregation: 29765
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 136215
Unique aggregates announced from the LACNIC address blocks: 48844
LACNIC Region origin ASes present in the Internet Routing Table: 11276
LACNIC Prefixes per ASN: 12.08
LACNIC Region origin ASes announcing only one prefix: 2162
LACNIC Region transit ASes present in the Internet Routing Table: 2479
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: 9225
Number of LACNIC addresses announced to Internet: 171363680
Equivalent to 10 /8s, 54 /16s and 205 /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: 39764
Total AfriNIC prefixes after maximum aggregation: 6827
AfriNIC Deaggregation factor: 5.82
Prefixes being announced from the AfriNIC address blocks: 52777
Unique aggregates announced from the AfriNIC address blocks: 13558
AfriNIC Region origin ASes present in the Internet Routing Table: 1930
AfriNIC Prefixes per ASN: 27.35
AfriNIC Region origin ASes announcing only one prefix: 649
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: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1296
Number of AfriNIC addresses announced to Internet: 105122048
Equivalent to 6 /8s, 68 /16s and 9 /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 11284 8759 106 CHINAMOBILE-CN China Mobile Communication
7545 6195 847 649 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4961 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4488 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4431 534 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3716 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3298 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2892 856 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2209 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
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 13671 40936 5237 AMAZON-02, US
174 5463 8744 873 COGENT-174, US
11492 4780 317 603 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 81 SHAW, CA
22773 3348 3033 168 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3193 3854 429 GOOGLE-CLOUD-PLATFORM, US
16625 3143 1315 2263 AKAMAI-AS, US
36352 2816 230 846 AS-COLOCROSSING, 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 9759 1297 1052 TTNET, TR
12479 7674 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4081 3396 140 AKAMAI-ASN1, NL
9009 3938 360 2084 M247, RO
12389 3121 2305 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2452 364 570 TELLCOM-AS, TR
212238 2320 170 1702 CDNEXT, GB
8452 1923 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 12265 3256 575 UNINET, MX
10620 3501 481 1018 Telmex Colombia S.A., CO
13999 2536 537 353 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1616 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1201 371 22 Telefonica del Peru S.A.A., PE
11664 1115 278 33 Techtel LMDS Comunicaciones Interactivas
28202 1100 52 9 MASTER SA, BR
22884 1064 71 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1820 644 27 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1623 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 1107 1100 18 MOBINIL, EG
36935 1079 523 46 Vodafone-, EG
36914 570 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 13671 40936 5237 AMAZON-02, US
8151 12265 3256 575 UNINET, MX
9808 11284 8759 106 CHINAMOBILE-CN China Mobile Communication
47331 9759 1297 1052 TTNET, TR
12479 7674 1713 148 UNI2-AS, ES
7545 6195 847 649 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5463 8744 873 COGENT-174, US
4538 4961 4194 78 ERX-CERNET-BKB China Education and Resear
11492 4780 317 603 CABLEONE, US
39891 4780 291 66 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 12265 11690 UNINET, MX
9808 11284 11178 CHINAMOBILE-CN China Mobile Communications Grou
47331 9759 8707 TTNET, TR
12479 7674 7526 UNI2-AS, ES
7545 6195 5546 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4961 4883 ERX-CERNET-BKB China Education and Research Net
39891 4780 4714 ALJAWWALSTC-AS, SA
174 5463 4590 COGENT-174, US
18403 4488 4463 FPT-AS-AP FPT Telecom Company, VN
11492 4780 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
100.64.3.0/24 52091 LEVEL-MSK-AS Level-MSK Ltd., RU
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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:14 /10:41 /11:92 /12:300
/13:584 /14:1219 /15:2186 /16:13961 /17:8440 /18:14030
/19:25307 /20:46130 /21:54546 /22:115860 /23:111132 /24:641783
/25:402 /26:584 /27:1037 /28:68 /29:104 /30:17
/31:3 /32:1068
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8838 9759 TTNET, TR
12479 6596 7674 UNI2-AS, ES
8151 6458 12265 UNINET, MX
11492 3576 4780 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3636 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2499 3348 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2359 13671 AMAZON-02, US
30036 2253 2594 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2426 2:1532 3:824 4:25 5:5085 6:161
7:6 8:1640 9:1 11:172 12:1351 13:454
14:2572 15:364 16:286 17:378 18:923 20:558
21:4 22:188 23:7688 24:2993 25:2 27:2831
29:19 31:3372 32:50 33:1 34:84 35:258
36:3165 37:4690 38:10682 39:909 40:175 41:4792
42:2011 43:2663 44:386 45:20197 46:5178 47:323
49:1996 50:1901 51:591 52:1599 54:319 55:1082
56:11 57:280 58:2313 59:1414 60:1172 61:3048
62:3067 63:1824 64:5529 65:2206 66:4760 67:3132
68:1147 69:4021 70:1092 71:633 72:2963 74:2842
75:1526 76:620 77:2828 78:4359 79:1742 80:2248
81:2242 82:3239 83:1476 84:1891 85:4432 86:1096
87:2395 88:3572 89:4588 90:773 91:8539 92:2753
93:2941 94:4121 95:5627 96:1486 97:315 98:984
99:687 100:73 101:1447 102:4445 103:32625 104:5186
105:2243 106:1044 107:2679 108:1260 109:4168 110:2242
111:3351 112:2146 113:1844 114:2012 115:2266 116:2128
117:2538 118:2917 119:1972 120:2090 121:1443 122:2813
123:2505 124:1710 125:2925 126:91 128:1642 129:993
130:1340 131:2174 132:885 133:451 134:1563 135:392
136:1354 137:1191 138:3209 139:1583 140:1606 141:1504
142:1945 143:1981 144:1186 145:551 146:2209 147:2120
148:2705 149:2974 150:1272 151:1975 152:2113 153:590
154:7724 155:1767 156:2903 157:1947 158:1335 159:2503
160:3709 161:1905 162:3886 163:2243 164:1911 165:2039
166:1495 167:2012 168:4309 169:820 170:5591 171:1013
172:4490 173:3364 174:921 175:1304 176:3850 177:6198
178:3939 179:2774 180:2707 181:4335 182:3455 183:2196
184:2131 185:21868 186:5950 187:5166 188:4392 189:4719
190:10027 191:2074 192:11366 193:9543 194:7928 195:5722
196:3683 197:3951 198:6247 199:8569 200:8835 201:6641
202:10778 203:10811 204:4605 205:3691 206:4564 207:3619
208:4306 209:5261 210:4940 211:2642 212:4805 213:3900
214:1028 215:48 216:6860 217:3276 218:1419 219:570
220:2143 221:1146 222:856 223:2546
End of report
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