[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 5 22:45:04 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 05 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: 1037373
Prefixes after maximum aggregation (per Origin AS): 383661
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 483180
Total ASes present in the Internet Routing Table: 77042
Prefixes per ASN: 13.47
Origin-only ASes present in the Internet Routing Table: 66289
Origin ASes announcing only one prefix: 26357
Transit ASes present in the Internet Routing Table: 10753
Transit-only ASes present in the Internet Routing Table: 541
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: 1160
Number of instances of unregistered ASNs: 1198
Number of 32-bit ASNs allocated by the RIRs: 46582
Number of 32-bit ASNs visible in the Routing Table: 38392
Prefixes from 32-bit ASNs in the Routing Table: 215419
Number of bogon 32-bit ASNs visible in the Routing Table: 151
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 443
Number of addresses announced to Internet: 3111716133
Equivalent to 185 /8s, 121 /16s and 5 /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: 350608
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266624
Total APNIC prefixes after maximum aggregation: 77671
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 258117
Unique aggregates announced from the APNIC address blocks: 104546
APNIC Region origin ASes present in the Internet Routing Table: 14655
APNIC Prefixes per ASN: 17.61
APNIC Region origin ASes announcing only one prefix: 4460
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: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10154
Number of APNIC addresses announced to Internet: 749804608
Equivalent to 44 /8s, 177 /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: 298794
Total ARIN prefixes after maximum aggregation: 132720
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299378
Unique aggregates announced from the ARIN address blocks: 139455
ARIN Region origin ASes present in the Internet Routing Table: 19259
ARIN Prefixes per ASN: 15.54
ARIN Region origin ASes announcing only one prefix: 7015
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: 5229
Number of ARIN addresses announced to Internet: 1353037568
Equivalent to 80 /8s, 165 /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: 291968
Total RIPE prefixes after maximum aggregation: 135936
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 290106
Unique aggregates announced from the RIPE address blocks: 175455
RIPE Region origin ASes present in the Internet Routing Table: 28999
RIPE Prefixes per ASN: 10.00
RIPE Region origin ASes announcing only one prefix: 12040
RIPE Region transit ASes present in the Internet Routing Table: 3885
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: 12494
Number of RIPE addresses announced to Internet: 731412069
Equivalent to 43 /8s, 152 /16s and 118 /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: 139533
Total LACNIC prefixes after maximum aggregation: 29838
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 136059
Unique aggregates announced from the LACNIC address blocks: 49001
LACNIC Region origin ASes present in the Internet Routing Table: 11272
LACNIC Prefixes per ASN: 12.07
LACNIC Region origin ASes announcing only one prefix: 2187
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: 9219
Number of LACNIC addresses announced to Internet: 172028544
Equivalent to 10 /8s, 64 /16s and 242 /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: 39294
Total AfriNIC prefixes after maximum aggregation: 6816
AfriNIC Deaggregation factor: 5.76
Prefixes being announced from the AfriNIC address blocks: 53269
Unique aggregates announced from the AfriNIC address blocks: 14323
AfriNIC Region origin ASes present in the Internet Routing Table: 1928
AfriNIC Prefixes per ASN: 27.63
AfriNIC Region origin ASes announcing only one prefix: 655
AfriNIC Region transit ASes present in the Internet Routing Table: 369
Average AfriNIC Region AS path length visible: 3.5
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: 105171200
Equivalent to 6 /8s, 68 /16s and 201 /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 11122 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6180 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4438 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4402 534 307 BBIL-AP BHARTI Airtel Ltd., IN
7552 3924 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3716 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3296 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2882 854 530 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 13668 40829 5221 AMAZON-02, US
174 5335 8747 895 COGENT-174, US
11492 4760 316 593 CABLEONE, US
7155 3860 286 85 VIASAT-SP-BACKBONE, US
6327 3632 1320 81 SHAW, CA
22773 3362 3049 170 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
396982 3181 3853 423 GOOGLE-CLOUD-PLATFORM, US
16625 3148 1314 2267 AKAMAI-AS, US
36352 2815 230 855 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 7684 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4075 3396 140 AKAMAI-ASN1, NL
9009 3921 359 2093 M247, RO
12389 3124 2306 890 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 573 TELLCOM-AS, TR
212238 2243 163 1647 CDNEXT, GB
8452 1930 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 12484 3274 681 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2550 540 363 Mega Cable, S.A. de C.V., MX
11830 1989 369 64 Instituto Costarricense de Electricidad y
28573 1614 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1199 371 22 Telefonica del Peru S.A.A., PE
28202 1113 52 9 MASTER SA, BR
11664 1109 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1062 70 377 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 1780 644 27 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1614 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1519 280 ETISALAT-MISR, EG
24863 1387 389 17 LINKdotNET-AS, EG
20011 1296 205 346 INTERNET-SOLUTIONS, ZA
36903 1248 553 105 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1052 520 43 Vodafone-, EG
3741 560 661 319 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 13668 40829 5221 AMAZON-02, US
8151 12484 3274 681 UNINET, MX
9808 11122 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7684 1714 148 UNI2-AS, ES
7545 6180 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5335 8747 895 COGENT-174, US
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4760 316 593 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 12484 11803 UNINET, MX
9808 11122 11024 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7684 7536 UNI2-AS, ES
7545 6180 5530 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4792 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5335 4440 COGENT-174, US
18403 4438 4413 FPT-AS-AP FPT Telecom Company, VN
11492 4760 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
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
169.254.0.0/16 38917 KOMTEL-AS, 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
23.139.228.0/24 Origin: 399587 UNASSIGNED
23.139.228.0/24 Transit: 20473 AS-VULTR, 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
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 /12:299
/13:583 /14:1231 /15:2196 /16:14010 /17:8448 /18:14213
/19:25366 /20:46123 /21:54509 /22:115477 /23:110960 /24:640464
/25:588 /26:583 /27:1057 /28:68 /29:104 /30:18
/31:3 /32:909
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
8151 6629 12484 UNINET, MX
12479 6603 7684 UNI2-AS, ES
11492 3557 4760 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3427 3632 SHAW, CA
7155 2819 3860 VIASAT-SP-BACKBONE, US
22773 2509 3362 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2393 13668 AMAZON-02, US
30036 2237 2578 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2415 2:1528 3:806 4:25 5:5022 6:162
7:6 8:1648 9:1 11:172 12:1361 13:441
14:2566 15:362 16:285 17:377 18:919 20:555
21:4 22:188 23:7655 24:2908 25:2 27:2835
29:19 31:3344 32:51 33:1 34:84 35:257
36:3077 37:4697 38:10484 39:913 40:173 41:4740
42:1978 43:2645 44:378 45:20118 46:5176 47:322
49:1988 50:1905 51:591 52:1603 54:324 55:1089
56:11 57:274 58:2305 59:1449 60:1171 61:3043
62:3068 63:1825 64:5512 65:2211 66:4742 67:3120
68:1152 69:4011 70:1097 71:638 72:2952 74:2839
75:1528 76:619 77:2813 78:4368 79:1735 80:2253
81:2235 82:3202 83:1484 84:1893 85:4412 86:1079
87:2420 88:3561 89:4575 90:773 91:8499 92:2731
93:2940 94:4137 95:5621 96:1476 97:315 98:982
99:695 100:71 101:1457 102:4362 103:32519 104:5116
105:2233 106:1036 107:2672 108:1268 109:4142 110:2254
111:3332 112:2160 113:1844 114:2001 115:2195 116:2108
117:2531 118:2917 119:1978 120:2009 121:1449 122:2799
123:2492 124:1700 125:2921 126:90 128:1641 129:1040
130:1353 131:2161 132:897 133:449 134:1558 135:380
136:1352 137:1189 138:3242 139:1597 140:1609 141:1499
142:1947 143:1926 144:1158 145:540 146:2211 147:2121
148:2733 149:2961 150:1260 151:1946 152:2116 153:579
154:7813 155:2009 156:3074 157:1941 158:1330 159:2498
160:3969 161:1907 162:3810 163:2215 164:1925 165:2263
166:1494 167:1969 168:4621 169:821 170:5559 171:1013
172:4462 173:3344 174:921 175:1304 176:3846 177:6055
178:3879 179:2720 180:2702 181:4312 182:3445 183:2146
184:2122 185:21908 186:5921 187:5107 188:4369 189:4654
190:10048 191:2038 192:11328 193:9538 194:7919 195:5717
196:3653 197:3927 198:6252 199:8580 200:8821 201:6622
202:10775 203:10777 204:4599 205:3690 206:4534 207:3622
208:4264 209:5270 210:4927 211:2637 212:4793 213:3889
214:1033 215:48 216:6856 217:3227 218:1419 219:557
220:2090 221:1126 222:855 223:2498
End of report
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