[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed May 14 22:47:04 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 14 May, 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: 1034653
Prefixes after maximum aggregation (per Origin AS): 382505
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 480015
Total ASes present in the Internet Routing Table: 76988
Prefixes per ASN: 13.44
Origin-only ASes present in the Internet Routing Table: 66254
Origin ASes announcing only one prefix: 26346
Transit ASes present in the Internet Routing Table: 10734
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: 3.1
Max AS path length visible: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1105
Number of instances of unregistered ASNs: 1108
Number of 32-bit ASNs allocated by the RIRs: 46395
Number of 32-bit ASNs visible in the Routing Table: 38298
Prefixes from 32-bit ASNs in the Routing Table: 214220
Number of bogon 32-bit ASNs visible in the Routing Table: 70
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 490
Number of addresses announced to Internet: 3111799333
Equivalent to 185 /8s, 122 /16s and 74 /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: 349587
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265942
Total APNIC prefixes after maximum aggregation: 77555
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257113
Unique aggregates announced from the APNIC address blocks: 103358
APNIC Region origin ASes present in the Internet Routing Table: 14646
APNIC Prefixes per ASN: 17.56
APNIC Region origin ASes announcing only one prefix: 4443
APNIC Region transit ASes present in the Internet Routing Table: 1935
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: 10138
Number of APNIC addresses announced to Internet: 749608000
Equivalent to 44 /8s, 174 /16s and 28 /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: 297194
Total ARIN prefixes after maximum aggregation: 132215
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 298085
Unique aggregates announced from the ARIN address blocks: 138674
ARIN Region origin ASes present in the Internet Routing Table: 19260
ARIN Prefixes per ASN: 15.48
ARIN Region origin ASes announcing only one prefix: 7019
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: 5216
Number of ARIN addresses announced to Internet: 1353441536
Equivalent to 80 /8s, 171 /16s and 225 /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: 291026
Total RIPE prefixes after maximum aggregation: 135418
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288810
Unique aggregates announced from the RIPE address blocks: 174685
RIPE Region origin ASes present in the Internet Routing Table: 28988
RIPE Prefixes per ASN: 9.96
RIPE Region origin ASes announcing only one prefix: 12043
RIPE Region transit ASes present in the Internet Routing Table: 3884
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12462
Number of RIPE addresses announced to Internet: 731182949
Equivalent to 43 /8s, 148 /16s and 247 /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: 139651
Total LACNIC prefixes after maximum aggregation: 29745
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135402
Unique aggregates announced from the LACNIC address blocks: 49000
LACNIC Region origin ASes present in the Internet Routing Table: 11243
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2191
LACNIC Region transit ASes present in the Internet Routing Table: 2481
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: 9190
Number of LACNIC addresses announced to Internet: 171882880
Equivalent to 10 /8s, 62 /16s and 185 /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: 39735
Total AfriNIC prefixes after maximum aggregation: 6901
AfriNIC Deaggregation factor: 5.76
Prefixes being announced from the AfriNIC address blocks: 54752
Unique aggregates announced from the AfriNIC address blocks: 13894
AfriNIC Region origin ASes present in the Internet Routing Table: 1921
AfriNIC Prefixes per ASN: 28.50
AfriNIC Region origin ASes announcing only one prefix: 650
AfriNIC Region transit ASes present in the Internet Routing Table: 365
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: 1292
Number of AfriNIC addresses announced to Internet: 105455360
Equivalent to 6 /8s, 73 /16s and 31 /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 10922 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6163 842 653 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4871 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4403 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4373 534 303 BBIL-AP BHARTI Airtel Ltd., IN
7552 3909 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3714 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3286 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2869 852 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2208 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 13409 40829 4965 AMAZON-02, US
174 5398 8751 916 COGENT-174, US
11492 4727 313 592 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3361 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54861 2504 DNIC-AS-00749, US
396982 3166 3852 417 GOOGLE-CLOUD-PLATFORM, US
16625 3159 1321 2270 AKAMAI-AS, US
36352 2791 228 850 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 9752 1296 1077 TTNET, TR
12479 7697 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4079 3396 140 AKAMAI-ASN1, NL
9009 3802 326 1968 M247, RO
12389 3074 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2441 363 575 TELLCOM-AS, TR
212238 2144 151 1578 CDNEXT, GB
8452 1906 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 12388 3265 681 UNINET, MX
10620 3500 480 1019 Telmex Colombia S.A., CO
13999 2517 540 360 Mega Cable, S.A. de C.V., MX
11830 1995 369 64 Instituto Costarricense de Electricidad y
28573 1601 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1190 371 22 Telefonica del Peru S.A.A., PE
28202 1128 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1107 278 33 Techtel LMDS Comunicaciones Interactivas
262287 1068 83 227 Latitude.sh LTDA, BR
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 1778 632 28 RAYA-AS, EG
24863 1652 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1597 102 33 ORANGE-COTE-IVOIRE, CI
36992 1435 1519 280 ETISALAT-MISR, EG
20011 1295 204 345 INTERNET-SOLUTIONS, ZA
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1040 523 45 Vodafone-, EG
3741 559 661 318 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 13409 40829 4965 AMAZON-02, US
8151 12388 3265 681 UNINET, MX
9808 10922 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7697 1714 148 UNI2-AS, ES
7545 6163 842 653 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5398 8751 916 COGENT-174, US
4538 4871 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4727 313 592 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 12388 11707 UNINET, MX
9808 10922 10824 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7697 7549 UNI2-AS, ES
7545 6163 5510 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4871 4793 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5398 4482 COGENT-174, US
18403 4403 4378 FPT-AS-AP FPT Telecom Company, VN
11492 4727 4135 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
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
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
23.138.212.0/24 Origin: 400910 MOOSE, US
23.138.212.0/24 Transit: 35661 VIRTUASYS-EU Lift weight. Push bytes. Ne
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 CIBC-US, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
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 /10:41 /11:93 /12:300
/13:582 /14:1233 /15:2201 /16:14102 /17:8438 /18:14219
/19:25366 /20:46001 /21:54418 /22:115495 /23:110075 /24:638774
/25:585 /26:586 /27:1052 /28:67 /29:105 /30:19
/31:3 /32:865
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6615 7697 UNI2-AS, ES
8151 6533 12388 UNINET, MX
11492 3533 4727 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2509 3361 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2335 13409 AMAZON-02, US
30036 2218 2558 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2381 2:1540 3:729 4:27 5:5009 6:163
7:6 8:1662 9:1 11:172 12:1369 13:415
14:2563 15:355 16:284 17:373 18:918 20:529
21:4 22:188 23:7606 24:2870 25:2 27:2821
29:19 31:3341 32:52 33:1 34:84 35:210
36:2842 37:4762 38:10448 39:911 40:169 41:4760
42:2019 43:2630 44:382 45:20182 46:5128 47:305
49:1950 50:1909 51:589 52:1588 54:313 55:1094
56:11 57:267 58:2306 59:1434 60:1166 61:3031
62:3049 63:1839 64:5532 65:2189 66:4727 67:3099
68:1150 69:4016 70:1088 71:639 72:2870 74:2821
75:1628 76:620 77:2814 78:4357 79:1783 80:2242
81:2256 82:3207 83:1474 84:1885 85:4401 86:1075
87:2432 88:3553 89:4539 90:777 91:8472 92:2709
93:2915 94:4134 95:5574 96:1478 97:326 98:982
99:685 100:72 101:1426 102:4461 103:32541 104:5044
105:2243 106:1038 107:2661 108:1239 109:4137 110:2249
111:3355 112:2093 113:1829 114:1989 115:2258 116:2106
117:2624 118:2903 119:1969 120:1953 121:1441 122:2782
123:2412 124:1689 125:2902 126:91 128:1635 129:1032
130:1322 131:2123 132:893 133:451 134:1551 135:377
136:1354 137:1185 138:3249 139:1611 140:1599 141:1503
142:1943 143:1866 144:1117 145:510 146:2190 147:2109
148:2697 149:2939 150:1225 151:1898 152:2113 153:560
154:8423 155:1981 156:3377 157:1915 158:1314 159:2455
160:3957 161:1901 162:3763 163:2165 164:1758 165:2238
166:1484 167:1936 168:4635 169:821 170:5570 171:1012
172:4471 173:3296 174:915 175:1307 176:3823 177:6166
178:3810 179:2761 180:2691 181:4242 182:3434 183:2127
184:2124 185:21883 186:5750 187:5074 188:4370 189:4678
190:9887 191:2065 192:11294 193:9562 194:7892 195:5690
196:3682 197:4014 198:6241 199:8542 200:8780 201:6626
202:10757 203:10740 204:4591 205:3585 206:4543 207:3607
208:4305 209:5297 210:4914 211:2643 212:4753 213:3878
214:1033 215:48 216:6793 217:3218 218:1402 219:551
220:2092 221:1087 222:849 223:2400
End of report
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