[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 10 22:45:19 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 10 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: 1037543
Prefixes after maximum aggregation (per Origin AS): 383920
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 482319
Total ASes present in the Internet Routing Table: 77039
Prefixes per ASN: 13.47
Origin-only ASes present in the Internet Routing Table: 66299
Origin ASes announcing only one prefix: 26321
Transit ASes present in the Internet Routing Table: 10740
Transit-only ASes present in the Internet Routing Table: 547
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: 1141
Number of instances of unregistered ASNs: 1179
Number of 32-bit ASNs allocated by the RIRs: 46631
Number of 32-bit ASNs visible in the Routing Table: 38411
Prefixes from 32-bit ASNs in the Routing Table: 215010
Number of bogon 32-bit ASNs visible in the Routing Table: 151
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 443
Number of addresses announced to Internet: 3112283653
Equivalent to 185 /8s, 129 /16s and 174 /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: 350897
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267037
Total APNIC prefixes after maximum aggregation: 77770
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 258437
Unique aggregates announced from the APNIC address blocks: 104370
APNIC Region origin ASes present in the Internet Routing Table: 14645
APNIC Prefixes per ASN: 17.65
APNIC Region origin ASes announcing only one prefix: 4447
APNIC Region transit ASes present in the Internet Routing Table: 1933
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 38
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10152
Number of APNIC addresses announced to Internet: 750263104
Equivalent to 44 /8s, 184 /16s and 27 /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: 297947
Total ARIN prefixes after maximum aggregation: 132842
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299188
Unique aggregates announced from the ARIN address blocks: 139328
ARIN Region origin ASes present in the Internet Routing Table: 19250
ARIN Prefixes per ASN: 15.54
ARIN Region origin ASes announcing only one prefix: 7009
ARIN Region transit ASes present in the Internet Routing Table: 1916
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: 5228
Number of ARIN addresses announced to Internet: 1353276672
Equivalent to 80 /8s, 169 /16s and 93 /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: 292245
Total RIPE prefixes after maximum aggregation: 136076
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 290569
Unique aggregates announced from the RIPE address blocks: 175750
RIPE Region origin ASes present in the Internet Routing Table: 29017
RIPE Prefixes per ASN: 10.01
RIPE Region origin ASes announcing only one prefix: 12042
RIPE Region transit ASes present in the Internet Routing Table: 3882
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: 12518
Number of RIPE addresses announced to Internet: 731568741
Equivalent to 43 /8s, 154 /16s and 218 /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: 139536
Total LACNIC prefixes after maximum aggregation: 29750
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 136028
Unique aggregates announced from the LACNIC address blocks: 48938
LACNIC Region origin ASes present in the Internet Routing Table: 11269
LACNIC Prefixes per ASN: 12.07
LACNIC Region origin ASes announcing only one prefix: 2169
LACNIC Region transit ASes present in the Internet Routing Table: 2478
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: 9218
Number of LACNIC addresses announced to Internet: 171898208
Equivalent to 10 /8s, 62 /16s and 245 /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: 39637
Total AfriNIC prefixes after maximum aggregation: 6820
AfriNIC Deaggregation factor: 5.81
Prefixes being announced from the AfriNIC address blocks: 52877
Unique aggregates announced from the AfriNIC address blocks: 13539
AfriNIC Region origin ASes present in the Internet Routing Table: 1927
AfriNIC Prefixes per ASN: 27.44
AfriNIC Region origin ASes announcing only one prefix: 654
AfriNIC Region transit ASes present in the Internet Routing Table: 364
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: 1295
Number of AfriNIC addresses announced to Internet: 105074432
Equivalent to 6 /8s, 67 /16s and 79 /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 11134 8758 101 CHINAMOBILE-CN China Mobile Communication
7545 6179 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4930 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4496 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4404 534 307 BBIL-AP BHARTI Airtel Ltd., IN
7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3716 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3297 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2885 855 531 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 13682 40940 5238 AMAZON-02, US
174 5374 8746 892 COGENT-174, US
11492 4762 316 595 CABLEONE, US
7155 3863 286 85 VIASAT-SP-BACKBONE, US
6327 3632 1320 81 SHAW, CA
22773 3345 3033 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
396982 3184 3854 425 GOOGLE-CLOUD-PLATFORM, US
16625 3150 1315 2264 AKAMAI-AS, US
36352 2812 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 7698 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4080 3396 140 AKAMAI-ASN1, NL
9009 3902 358 2078 M247, RO
12389 3121 2305 889 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 573 TELLCOM-AS, TR
212238 2259 164 1648 CDNEXT, GB
8452 1928 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 12231 3233 587 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2550 540 363 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1614 2436 266 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
28202 1107 52 9 MASTER SA, BR
11664 1103 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1064 71 378 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 1615 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1519 280 ETISALAT-MISR, EG
20011 1296 205 346 INTERNET-SOLUTIONS, ZA
36903 1247 553 104 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1052 520 43 Vodafone-, EG
36914 568 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 13682 40940 5238 AMAZON-02, US
8151 12231 3233 587 UNINET, MX
9808 11134 8758 101 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7698 1714 148 UNI2-AS, ES
7545 6179 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5374 8746 892 COGENT-174, US
4538 4930 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 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 12231 11644 UNINET, MX
9808 11134 11033 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7698 7550 UNI2-AS, ES
7545 6179 5529 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4930 4852 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5374 4482 COGENT-174, US
18403 4496 4471 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
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
395195 UNALLOCATED 8.38.115.0/24 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 /12:299
/13:584 /14:1230 /15:2202 /16:14017 /17:8464 /18:14204
/19:25346 /20:46153 /21:54516 /22:115835 /23:111007 /24:640402
/25:406 /26:581 /27:1035 /28:66 /29:102 /30:12
/31:3 /32:915
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6617 7698 UNI2-AS, ES
8151 6419 12231 UNINET, MX
11492 3559 4762 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3427 3632 SHAW, CA
7155 2822 3863 VIASAT-SP-BACKBONE, US
22773 2494 3345 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2374 13682 AMAZON-02, US
30036 2243 2584 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2418 2:1524 3:813 4:25 5:5030 6:162
7:6 8:1647 9:1 11:172 12:1354 13:453
14:2567 15:362 16:285 17:377 18:922 20:556
21:4 22:188 23:7667 24:2907 25:2 27:2835
29:19 31:3360 32:51 33:1 34:84 35:260
36:3099 37:4703 38:10519 39:912 40:173 41:4754
42:2017 43:2645 44:383 45:20134 46:5183 47:322
49:1992 50:1895 51:591 52:1599 54:321 55:1086
56:11 57:277 58:2309 59:1432 60:1172 61:3047
62:3067 63:1824 64:5515 65:2204 66:4745 67:3120
68:1153 69:4026 70:1096 71:636 72:2955 74:2835
75:1528 76:620 77:2831 78:4369 79:1740 80:2265
81:2237 82:3215 83:1481 84:1894 85:4430 86:1083
87:2420 88:3561 89:4584 90:774 91:8519 92:2746
93:2932 94:4128 95:5627 96:1479 97:315 98:981
99:698 100:73 101:1460 102:4371 103:32504 104:5132
105:2237 106:1035 107:2681 108:1261 109:4149 110:2250
111:3346 112:2154 113:1843 114:2006 115:2243 116:2123
117:2528 118:2912 119:1978 120:2034 121:1450 122:2805
123:2495 124:1704 125:2918 126:91 128:1647 129:1039
130:1337 131:2171 132:894 133:449 134:1562 135:380
136:1358 137:1190 138:3178 139:1597 140:1613 141:1507
142:1942 143:1957 144:1146 145:542 146:2206 147:2121
148:2717 149:2958 150:1263 151:1969 152:2120 153:578
154:7837 155:1762 156:3078 157:1948 158:1332 159:2498
160:3708 161:1910 162:3864 163:2227 164:1916 165:2017
166:1497 167:1988 168:4334 169:822 170:5574 171:1026
172:4473 173:3341 174:920 175:1306 176:3846 177:6091
178:3912 179:2758 180:2705 181:4321 182:3443 183:2172
184:2126 185:21908 186:5928 187:5133 188:4378 189:4689
190:10038 191:2028 192:11354 193:9556 194:7928 195:5724
196:3662 197:3945 198:6251 199:8560 200:8823 201:6646
202:10750 203:10779 204:4605 205:3697 206:4551 207:3650
208:4267 209:5267 210:4927 211:2637 212:4792 213:3887
214:1031 215:48 216:6858 217:3238 218:1420 219:567
220:2148 221:1135 222:856 223:2504
End of report
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