[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jun 17 22:45:25 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 17 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: 1038319
Prefixes after maximum aggregation (per Origin AS): 384238
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 482861
Total ASes present in the Internet Routing Table: 77064
Prefixes per ASN: 13.47
Origin-only ASes present in the Internet Routing Table: 66327
Origin ASes announcing only one prefix: 26298
Transit ASes present in the Internet Routing Table: 10737
Transit-only ASes present in the Internet Routing Table: 542
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: 1240
Number of instances of unregistered ASNs: 1278
Number of 32-bit ASNs allocated by the RIRs: 46667
Number of 32-bit ASNs visible in the Routing Table: 38455
Prefixes from 32-bit ASNs in the Routing Table: 216147
Number of bogon 32-bit ASNs visible in the Routing Table: 154
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 448
Number of addresses announced to Internet: 3107765253
Equivalent to 185 /8s, 60 /16s and 188 /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: 351376
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267459
Total APNIC prefixes after maximum aggregation: 77839
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 258843
Unique aggregates announced from the APNIC address blocks: 104662
APNIC Region origin ASes present in the Internet Routing Table: 14672
APNIC Prefixes per ASN: 17.64
APNIC Region origin ASes announcing only one prefix: 4443
APNIC Region transit ASes present in the Internet Routing Table: 1943
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10176
Number of APNIC addresses announced to Internet: 749836608
Equivalent to 44 /8s, 177 /16s and 153 /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: 298123
Total ARIN prefixes after maximum aggregation: 132888
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299330
Unique aggregates announced from the ARIN address blocks: 139337
ARIN Region origin ASes present in the Internet Routing Table: 19251
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: 1915
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: 5242
Number of ARIN addresses announced to Internet: 1349891840
Equivalent to 80 /8s, 117 /16s and 183 /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: 292658
Total RIPE prefixes after maximum aggregation: 136179
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 291069
Unique aggregates announced from the RIPE address blocks: 176021
RIPE Region origin ASes present in the Internet Routing Table: 29003
RIPE Prefixes per ASN: 10.04
RIPE Region origin ASes announcing only one prefix: 12038
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: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12520
Number of RIPE addresses announced to Internet: 731390821
Equivalent to 43 /8s, 152 /16s and 35 /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: 139185
Total LACNIC prefixes after maximum aggregation: 29729
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 135833
Unique aggregates announced from the LACNIC address blocks: 48881
LACNIC Region origin ASes present in the Internet Routing Table: 11273
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2156
LACNIC Region transit ASes present in the Internet Routing Table: 2484
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: 171365728
Equivalent to 10 /8s, 54 /16s and 213 /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: 39654
Total AfriNIC prefixes after maximum aggregation: 6821
AfriNIC Deaggregation factor: 5.81
Prefixes being announced from the AfriNIC address blocks: 52795
Unique aggregates announced from the AfriNIC address blocks: 13561
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: 365
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1294
Number of AfriNIC addresses announced to Internet: 105073152
Equivalent to 6 /8s, 67 /16s and 74 /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 11281 8759 106 CHINAMOBILE-CN China Mobile Communication
7545 6190 847 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4927 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4481 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4432 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3715 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3299 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2891 856 532 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 13687 40940 5248 AMAZON-02, US
174 5463 8744 876 COGENT-174, US
11492 4762 316 595 CABLEONE, US
7155 3861 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 81 SHAW, CA
22773 3350 3033 170 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54767 2480 DNIC-AS-00749, US
396982 3188 3854 427 GOOGLE-CLOUD-PLATFORM, US
16625 3145 1316 2264 AKAMAI-AS, US
36352 2817 230 847 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 9755 1296 1073 TTNET, TR
12479 7688 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4079 3396 140 AKAMAI-ASN1, NL
9009 3941 361 2087 M247, RO
12389 3121 2305 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2451 364 572 TELLCOM-AS, TR
212238 2290 168 1674 CDNEXT, GB
8452 1933 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 12256 3254 577 UNINET, MX
10620 3502 481 1019 Telmex Colombia S.A., CO
13999 2521 538 353 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1615 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1199 371 22 Telefonica del Peru S.A.A., PE
11664 1114 278 33 Techtel LMDS Comunicaciones Interactivas
28202 1100 52 9 MASTER SA, BR
22884 1066 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 1633 389 16 LINKdotNET-AS, EG
29571 1606 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 1051 520 43 Vodafone-, EG
36914 565 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 13687 40940 5248 AMAZON-02, US
8151 12256 3254 577 UNINET, MX
9808 11281 8759 106 CHINAMOBILE-CN China Mobile Communication
47331 9755 1296 1073 TTNET, TR
12479 7688 1713 148 UNI2-AS, ES
7545 6190 847 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5463 8744 876 COGENT-174, US
4538 4927 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4780 291 66 ALJAWWALSTC-AS, SA
11492 4762 316 595 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 12256 11679 UNINET, MX
9808 11281 11175 CHINAMOBILE-CN China Mobile Communications Grou
47331 9755 8682 TTNET, TR
12479 7688 7540 UNI2-AS, ES
7545 6190 5540 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4927 4849 ERX-CERNET-BKB China Education and Research Net
39891 4780 4714 ALJAWWALSTC-AS, SA
174 5463 4587 COGENT-174, US
18403 4481 4456 FPT-AS-AP FPT Telecom Company, VN
11492 4762 4167 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
394804 UNALLOCATED 8.33.225.0/24 3356 LEVEL3, 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: 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 /15:2187 /16:13964 /17:8430 /18:14028
/19:25316 /20:46127 /21:54543 /22:115812 /23:111058 /24:641297
/25:405 /26:583 /27:1040 /28:68 /29:104 /30:17
/31:3 /32:1070
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8834 9755 TTNET, TR
12479 6609 7688 UNI2-AS, ES
8151 6450 12256 UNINET, MX
11492 3559 4762 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3636 SHAW, CA
7155 2820 3861 VIASAT-SP-BACKBONE, US
22773 2499 3350 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2355 13687 AMAZON-02, US
30036 2247 2588 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 3:823 4:25 5:5100 6:162
7:6 8:1644 9:1 11:172 12:1353 13:455
14:2568 15:362 16:285 17:378 18:923 20:556
21:4 22:188 23:7691 24:2978 25:2 27:2833
29:19 31:3376 32:50 33:1 34:84 35:258
36:3109 37:4700 38:10690 39:910 40:167 41:4778
42:2006 43:2661 44:389 45:20188 46:5192 47:321
49:1991 50:1899 51:592 52:1604 54:328 55:1091
56:11 57:279 58:2311 59:1450 60:1171 61:3049
62:3049 63:1821 64:5510 65:2197 66:4757 67:3124
68:1149 69:4023 70:1093 71:634 72:2956 74:2840
75:1525 76:620 77:2824 78:4361 79:1742 80:2258
81:2221 82:3235 83:1479 84:1897 85:4430 86:1093
87:2421 88:3565 89:4596 90:771 91:8534 92:2751
93:2942 94:4120 95:5627 96:1485 97:315 98:986
99:694 100:73 101:1462 102:4442 103:32550 104:5177
105:2238 106:1039 107:2679 108:1260 109:4163 110:2240
111:3346 112:2145 113:1845 114:2011 115:2266 116:2128
117:2535 118:2917 119:1980 120:2088 121:1447 122:2809
123:2496 124:1707 125:2925 126:91 128:1641 129:993
130:1347 131:2204 132:893 133:450 134:1564 135:392
136:1358 137:1192 138:3203 139:1591 140:1614 141:1507
142:1945 143:1994 144:1186 145:551 146:2211 147:2111
148:2705 149:2960 150:1262 151:1968 152:2113 153:590
154:7705 155:1772 156:3039 157:1950 158:1336 159:2501
160:3711 161:1910 162:3878 163:2240 164:1914 165:2032
166:1492 167:2006 168:4325 169:824 170:5578 171:1025
172:4492 173:3342 174:920 175:1305 176:3846 177:6184
178:3939 179:2757 180:2706 181:4299 182:3451 183:2190
184:2130 185:21883 186:5836 187:5149 188:4391 189:4718
190:9982 191:2065 192:11358 193:9557 194:7926 195:5727
196:3679 197:3943 198:6239 199:8570 200:8819 201:6645
202:10724 203:10788 204:4603 205:3692 206:4546 207:3611
208:4301 209:5259 210:4929 211:2641 212:4801 213:3901
214:1031 215:48 216:6851 217:3252 218:1419 219:565
220:2144 221:1140 222:857 223:2517
End of report
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