[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue May 13 22:47:13 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 13 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: 1034470
Prefixes after maximum aggregation (per Origin AS): 382283
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479830
Total ASes present in the Internet Routing Table: 76984
Prefixes per ASN: 13.44
Origin-only ASes present in the Internet Routing Table: 66245
Origin ASes announcing only one prefix: 26376
Transit ASes present in the Internet Routing Table: 10739
Transit-only ASes present in the Internet Routing Table: 544
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: 1074
Number of instances of unregistered ASNs: 1077
Number of 32-bit ASNs allocated by the RIRs: 46406
Number of 32-bit ASNs visible in the Routing Table: 38290
Prefixes from 32-bit ASNs in the Routing Table: 214123
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: 470
Number of addresses announced to Internet: 3111545893
Equivalent to 185 /8s, 118 /16s and 108 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 349859
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265878
Total APNIC prefixes after maximum aggregation: 77521
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256988
Unique aggregates announced from the APNIC address blocks: 103357
APNIC Region origin ASes present in the Internet Routing Table: 14658
APNIC Prefixes per ASN: 17.53
APNIC Region origin ASes announcing only one prefix: 4458
APNIC Region transit ASes present in the Internet Routing Table: 1941
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: 10149
Number of APNIC addresses announced to Internet: 749457472
Equivalent to 44 /8s, 171 /16s and 208 /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: 297386
Total ARIN prefixes after maximum aggregation: 132087
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 298244
Unique aggregates announced from the ARIN address blocks: 138622
ARIN Region origin ASes present in the Internet Routing Table: 19269
ARIN Prefixes per ASN: 15.48
ARIN Region origin ASes announcing only one prefix: 7023
ARIN Region transit ASes present in the Internet Routing Table: 1911
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: 5210
Number of ARIN addresses announced to Internet: 1353358336
Equivalent to 80 /8s, 170 /16s and 156 /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: 290777
Total RIPE prefixes after maximum aggregation: 135355
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288564
Unique aggregates announced from the RIPE address blocks: 174616
RIPE Region origin ASes present in the Internet Routing Table: 28975
RIPE Prefixes per ASN: 9.96
RIPE Region origin ASes announcing only one prefix: 12032
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: 12450
Number of RIPE addresses announced to Internet: 731200101
Equivalent to 43 /8s, 149 /16s and 58 /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: 139692
Total LACNIC prefixes after maximum aggregation: 29778
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135455
Unique aggregates announced from the LACNIC address blocks: 48963
LACNIC Region origin ASes present in the Internet Routing Table: 11239
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2213
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: 171857024
Equivalent to 10 /8s, 62 /16s and 84 /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: 39663
Total AfriNIC prefixes after maximum aggregation: 6897
AfriNIC Deaggregation factor: 5.75
Prefixes being announced from the AfriNIC address blocks: 54748
Unique aggregates announced from the AfriNIC address blocks: 13885
AfriNIC Region origin ASes present in the Internet Routing Table: 1920
AfriNIC Prefixes per ASN: 28.51
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: 1291
Number of AfriNIC addresses announced to Internet: 105450240
Equivalent to 6 /8s, 73 /16s and 11 /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 10918 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6164 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4861 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4400 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4371 534 302 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 13343 40826 4916 AMAZON-02, US
174 5391 8750 903 COGENT-174, US
11492 4727 313 592 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3359 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 2793 228 857 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 7719 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4076 3396 140 AKAMAI-ASN1, NL
9009 3800 326 1967 M247, RO
12389 3074 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2442 363 576 TELLCOM-AS, TR
212238 2142 151 1576 CDNEXT, GB
8452 1903 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 12376 3265 683 UNINET, MX
10620 3500 480 1019 Telmex Colombia S.A., CO
13999 2511 539 359 Mega Cable, S.A. de C.V., MX
11830 1997 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 1739 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 13343 40826 4916 AMAZON-02, US
8151 12376 3265 683 UNINET, MX
9808 10918 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7719 1714 148 UNI2-AS, ES
7545 6164 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5391 8750 903 COGENT-174, US
4538 4861 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 12376 11693 UNINET, MX
9808 10918 10820 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7719 7571 UNI2-AS, ES
7545 6164 5510 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4861 4783 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5391 4488 COGENT-174, US
18403 4400 4375 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
211747 UNALLOCATED 5.231.225.0/24 204044 ONLYSERVERS Dedicated S
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
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
23.138.204.0/24 Origin: 203062 ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux
23.138.204.0/24 Transit: 52025 PARADOXNETWORKS-LIMITED, GB
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
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 /15:2200 /16:14102 /17:8437 /18:14217
/19:25344 /20:45977 /21:54296 /22:115530 /23:110161 /24:638648
/25:585 /26:586 /27:1054 /28:67 /29:107 /30:20
/31:3 /32:854
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6638 7719 UNI2-AS, ES
8151 6519 12376 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 2507 3359 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2319 13343 AMAZON-02, US
30036 2222 2562 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 2:1538 3:724 4:27 5:5005 6:163
7:6 8:1666 9:1 11:172 12:1369 13:383
14:2562 15:355 16:284 17:373 18:921 20:529
21:4 22:188 23:7608 24:2904 25:2 27:2819
29:19 31:3324 32:52 33:1 34:84 35:210
36:2816 37:4752 38:10449 39:911 40:169 41:4752
42:2020 43:2634 44:381 45:20072 46:5130 47:304
49:1952 50:1906 51:590 52:1588 54:308 55:1094
56:11 57:265 58:2301 59:1435 60:1166 61:3029
62:3049 63:1838 64:5533 65:2202 66:4768 67:3129
68:1147 69:4014 70:1078 71:638 72:2935 74:2821
75:1626 76:620 77:2810 78:4358 79:1782 80:2242
81:2258 82:3210 83:1475 84:1882 85:4399 86:1072
87:2430 88:3553 89:4531 90:777 91:8470 92:2705
93:2912 94:4130 95:5579 96:1478 97:326 98:982
99:679 100:72 101:1431 102:4446 103:32550 104:5039
105:2238 106:1035 107:2656 108:1237 109:4139 110:2249
111:3348 112:2081 113:1828 114:1989 115:2263 116:2106
117:2620 118:2903 119:1970 120:1950 121:1437 122:2781
123:2412 124:1687 125:2900 126:91 128:1623 129:1032
130:1334 131:2118 132:893 133:451 134:1543 135:377
136:1320 137:1182 138:3237 139:1604 140:1592 141:1503
142:1943 143:1855 144:1115 145:510 146:2189 147:2102
148:2690 149:2935 150:1226 151:1893 152:2112 153:562
154:8499 155:1976 156:3406 157:1926 158:1310 159:2454
160:3952 161:1904 162:3761 163:2162 164:1754 165:2238
166:1480 167:1936 168:4631 169:821 170:5577 171:1012
172:4465 173:3305 174:914 175:1305 176:3820 177:6151
178:3804 179:2740 180:2692 181:4236 182:3430 183:2121
184:2123 185:21886 186:5808 187:5074 188:4367 189:4664
190:9978 191:2067 192:11287 193:9563 194:7887 195:5687
196:3677 197:4015 198:6235 199:8526 200:8801 201:6600
202:10753 203:10742 204:4586 205:3599 206:4546 207:3609
208:4300 209:5297 210:4914 211:2639 212:4754 213:3865
214:1033 215:48 216:6821 217:3213 218:1402 219:551
220:2092 221:1083 222:849 223:2379
End of report
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