[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Mar 12 22:46:18 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 12 Mar, 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: 1030050
Prefixes after maximum aggregation (per Origin AS): 377889
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 476429
Total ASes present in the Internet Routing Table: 76809
Prefixes per ASN: 13.41
Origin-only ASes present in the Internet Routing Table: 66151
Origin ASes announcing only one prefix: 26263
Transit ASes present in the Internet Routing Table: 10658
Transit-only ASes present in the Internet Routing Table: 538
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.2
Max AS path length visible: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1078
Number of instances of unregistered ASNs: 1084
Number of 32-bit ASNs allocated by the RIRs: 46160
Number of 32-bit ASNs visible in the Routing Table: 37993
Prefixes from 32-bit ASNs in the Routing Table: 210662
Number of bogon 32-bit ASNs visible in the Routing Table: 81
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 503
Number of addresses announced to Internet: 3114294373
Equivalent to 185 /8s, 160 /16s and 92 /24s
Percentage of available address space announced: 84.1
Percentage of allocated address space announced: 84.1
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: 348478
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265471
Total APNIC prefixes after maximum aggregation: 76675
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 257283
Unique aggregates announced from the APNIC address blocks: 102875
APNIC Region origin ASes present in the Internet Routing Table: 14586
APNIC Prefixes per ASN: 17.64
APNIC Region origin ASes announcing only one prefix: 4416
APNIC Region transit ASes present in the Internet Routing Table: 1939
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 36
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10052
Number of APNIC addresses announced to Internet: 751992896
Equivalent to 44 /8s, 210 /16s and 128 /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: 295703
Total ARIN prefixes after maximum aggregation: 129991
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 296393
Unique aggregates announced from the ARIN address blocks: 136434
ARIN Region origin ASes present in the Internet Routing Table: 19246
ARIN Prefixes per ASN: 15.40
ARIN Region origin ASes announcing only one prefix: 7007
ARIN Region transit ASes present in the Internet Routing Table: 1896
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5170
Number of ARIN addresses announced to Internet: 1351518976
Equivalent to 80 /8s, 142 /16s and 139 /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: 290190
Total RIPE prefixes after maximum aggregation: 134120
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 287785
Unique aggregates announced from the RIPE address blocks: 173182
RIPE Region origin ASes present in the Internet Routing Table: 28915
RIPE Prefixes per ASN: 9.95
RIPE Region origin ASes announcing only one prefix: 12018
RIPE Region transit ASes present in the Internet Routing Table: 3840
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12327
Number of RIPE addresses announced to Internet: 732355365
Equivalent to 43 /8s, 166 /16s and 219 /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: 138642
Total LACNIC prefixes after maximum aggregation: 29487
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 135588
Unique aggregates announced from the LACNIC address blocks: 49017
LACNIC Region origin ASes present in the Internet Routing Table: 11224
LACNIC Prefixes per ASN: 12.08
LACNIC Region origin ASes announcing only one prefix: 2172
LACNIC Region transit ASes present in the Internet Routing Table: 2461
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: 9161
Number of LACNIC addresses announced to Internet: 172906752
Equivalent to 10 /8s, 78 /16s and 89 /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: 38966
Total AfriNIC prefixes after maximum aggregation: 6946
AfriNIC Deaggregation factor: 5.61
Prefixes being announced from the AfriNIC address blocks: 52496
Unique aggregates announced from the AfriNIC address blocks: 14478
AfriNIC Region origin ASes present in the Internet Routing Table: 1919
AfriNIC Prefixes per ASN: 27.36
AfriNIC Region origin ASes announcing only one prefix: 650
AfriNIC Region transit ASes present in the Internet Routing Table: 361
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1283
Number of AfriNIC addresses announced to Internet: 105273344
Equivalent to 6 /8s, 70 /16s and 88 /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 10329 8753 90 CHINAMOBILE-CN China Mobile Communication
7545 6211 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5062 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4398 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4254 530 277 BBIL-AP BHARTI Airtel Ltd., IN
7552 3922 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3676 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3284 1869 104 VNPT-AS-VN VNPT Corp, VN
24560 2841 847 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2206 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 12931 39642 3949 AMAZON-02, US
174 5624 8768 961 COGENT-174, US
11492 4673 310 589 CABLEONE, US
7155 4175 286 83 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3390 3049 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3075 1304 2227 AKAMAI-AS, US
396982 2943 3660 456 GOOGLE-CLOUD-PLATFORM, US
30036 2545 350 417 MEDIACOM-ENTERPRISE-BUSINESS, 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 9683 1287 1285 TTNET, TR
12479 7757 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4027 3396 142 AKAMAI-ASN1, NL
9009 3775 323 1944 M247, RO
12389 2984 2303 891 ROSTELECOM-AS, RU
34984 2416 364 575 TELLCOM-AS, TR
212238 2033 145 1499 CDNEXT, GB
8452 1912 1852 14 TE-AS TE-AS, EG
5384 1799 585 30 EMIRATES-INTERNET Emirates Internet, AE
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 12103 3259 689 UNINET, MX
10620 3523 487 970 Telmex Colombia S.A., CO
13999 2507 538 370 Mega Cable, S.A. de C.V., MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
28573 1594 2437 265 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 22 Telefonica del Peru S.A.A., PE
28202 1132 52 9 Rede Brasileira de Comunicacao SA, BR
6503 1103 359 174 Axtel, S.A.B. de C.V., MX
11664 1064 278 33 Techtel LMDS Comunicaciones Interactivas
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 1683 599 30 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1619 389 16 LINKdotNET-AS, EG
29571 1583 100 105 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
20011 1276 198 333 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1022 523 45 Vodafone-, EG
37069 855 1083 15 MOBINIL, EG
3741 561 661 320 IS, ZA
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 12931 39642 3949 AMAZON-02, US
8151 12103 3259 689 UNINET, MX
9808 10329 8753 90 CHINAMOBILE-CN China Mobile Communication
47331 9683 1287 1285 TTNET, TR
12479 7757 1714 145 UNI2-AS, ES
7545 6211 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5624 8768 961 COGENT-174, US
4538 5062 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4673 310 589 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 12103 11414 UNINET, MX
9808 10329 10239 CHINAMOBILE-CN China Mobile Communications Grou
47331 9683 8398 TTNET, TR
12479 7757 7612 UNI2-AS, ES
7545 6211 5553 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5062 4984 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5624 4663 COGENT-174, US
18403 4398 4373 FPT-AS-AP FPT Telecom Company, VN
7155 4175 4092 VIASAT-SP-BACKBONE, 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
46559 UNALLOCATED 8.3.52.0/23 3257 GTT-BACKBONE GTT, US
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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
Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.116.75.0/24 22884 TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
172.22.139.0/24 8151 UNINET, MX
172.22.243.0/24 8151 UNINET, MX
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
23.135.220.0/24 Origin: 215364 INFINITRON-INTERNET Infinitron Internet,
23.135.220.0/24 Transit: 207841 INFERNO, GB
23.138.40.0/22 Origin: 964 IONSWITCH-NW, US
23.138.40.0/22 Transit: 20055 AS-WHOLESAIL, US
23.138.41.0/24 Origin: 964 IONSWITCH-NW, US
23.138.41.0/24 Transit: 20055 AS-WHOLESAIL, US
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, 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 /9:16 /10:42 /11:92 /12:304
/13:587 /14:1235 /15:2206 /16:14139 /17:8583 /18:14283
/19:25464 /20:46072 /21:54691 /22:115894 /23:110458 /24:632737
/25:586 /26:590 /27:1052 /28:77 /29:106 /30:23
/31:2 /32:794
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8766 9683 TTNET, TR
12479 6695 7757 UNI2-AS, ES
8151 6252 12103 UNINET, MX
11492 3527 4673 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 3121 4175 VIASAT-SP-BACKBONE, US
22773 2526 3390 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2335 12931 AMAZON-02, US
30036 2206 2545 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2385 2:1533 3:588 4:25 5:4874 6:162
7:6 8:1647 9:1 10:1 11:172 12:1379
13:348 14:2560 15:351 16:279 17:364 18:922
20:472 21:4 22:188 23:7380 24:3067 25:2
27:2773 29:19 31:3268 32:53 34:83 35:208
36:2432 37:4754 38:10343 39:898 40:158 41:4773
42:2013 43:2602 44:358 45:20008 46:5092 47:291
49:2009 50:1899 51:591 52:1588 54:302 55:1071
56:9 57:255 58:2313 59:1303 60:1165 61:3100
62:3030 63:1841 64:5549 65:2189 66:4718 67:3073
68:1139 69:3973 70:1130 71:626 72:2948 74:2815
75:1661 76:617 77:2810 78:4229 79:1758 80:2230
81:2185 82:2827 83:1443 84:1835 85:4293 86:1039
87:2435 88:3430 89:4495 90:785 91:8450 92:2807
93:2925 94:3983 95:5472 96:1414 97:326 98:990
99:738 100:71 101:1411 102:4218 103:32573 104:4821
105:2235 106:1000 107:2601 108:1222 109:4171 110:2271
111:3344 112:2061 113:1829 114:1960 115:2208 116:2099
117:2760 118:2898 119:2015 120:1910 121:1439 122:2882
123:2332 124:1685 125:2915 126:86 128:1611 129:1026
130:1314 131:2024 132:894 133:451 134:1532 135:376
136:1281 137:1176 138:3240 139:1632 140:1561 141:1486
142:1874 143:1757 144:1061 145:484 146:2179 147:2083
148:2605 149:2954 150:1246 151:1953 152:2141 153:574
154:8031 155:1651 156:3302 157:1940 158:1282 159:2437
160:3643 161:1979 162:3707 163:1920 164:1757 165:2218
166:1405 167:1912 168:4378 169:819 170:5525 171:1004
172:4459 173:3253 174:914 175:1284 176:3785 177:6232
178:3961 179:2783 180:2650 181:4194 182:3375 183:2076
184:2312 185:21788 186:5752 187:4982 188:4340 189:4627
190:9940 191:2072 192:11224 193:9473 194:7875 195:5680
196:3621 197:3964 198:6250 199:8426 200:8732 201:6613
202:10917 203:10776 204:4556 205:3705 206:4679 207:3591
208:4213 209:5265 210:4923 211:2641 212:4602 213:3871
214:1057 215:42 216:6693 217:3183 218:1388 219:555
220:2107 221:1056 222:850 223:2339
End of report
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