[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jul 18 22:46:39 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 18 Jul, 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: 1041608
Prefixes after maximum aggregation (per Origin AS): 386852
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 212998
Total ASes present in the Internet Routing Table: 77155
Prefixes per ASN: 13.50
Origin-only ASes present in the Internet Routing Table: 66368
Origin ASes announcing only one prefix: 26316
Transit ASes present in the Internet Routing Table: 10787
Transit-only ASes present in the Internet Routing Table: 555
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: 1243
Number of instances of unregistered ASNs: 1284
Number of 32-bit ASNs allocated by the RIRs: 46864
Number of 32-bit ASNs visible in the Routing Table: 38644
Prefixes from 32-bit ASNs in the Routing Table: 217718
Number of bogon 32-bit ASNs visible in the Routing Table: 128
Special use prefixes present in the Routing Table: 54
Prefixes being announced from unallocated address space: 520
Number of addresses announced to Internet: 3978835098
Equivalent to 237 /8s, 40 /16s and 52 /24s
Percentage of available address space announced: 107.5
Percentage of allocated address space announced: 107.5
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: 351267
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 270494
Total APNIC prefixes after maximum aggregation: 78448
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 261201
Unique aggregates announced from the APNIC address blocks: 67854
APNIC Region origin ASes present in the Internet Routing Table: 14748
APNIC Prefixes per ASN: 17.71
APNIC Region origin ASes announcing only one prefix: 4502
APNIC Region transit ASes present in the Internet Routing Table: 1963
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: 10271
Number of APNIC addresses announced to Internet: 465297415
Equivalent to 27 /8s, 187 /16s and 224 /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: 299086
Total ARIN prefixes after maximum aggregation: 133441
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300479
Unique aggregates announced from the ARIN address blocks: 50749
ARIN Region origin ASes present in the Internet Routing Table: 19248
ARIN Prefixes per ASN: 15.61
ARIN Region origin ASes announcing only one prefix: 7014
ARIN Region transit ASes present in the Internet Routing Table: 1928
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: 5260
Number of ARIN addresses announced to Internet: 855962624
Equivalent to 51 /8s, 4 /16s and 244 /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: 293636
Total RIPE prefixes after maximum aggregation: 137352
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 292358
Unique aggregates announced from the RIPE address blocks: 81564
RIPE Region origin ASes present in the Internet Routing Table: 29018
RIPE Prefixes per ASN: 10.08
RIPE Region origin ASes announcing only one prefix: 12015
RIPE Region transit ASes present in the Internet Routing Table: 3874
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12589
Number of RIPE addresses announced to Internet: -1688866157
Equivalent to 155 /8s, 85 /16s and 242 /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: 139215
Total LACNIC prefixes after maximum aggregation: 29895
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 135705
Unique aggregates announced from the LACNIC address blocks: 6106
LACNIC Region origin ASes present in the Internet Routing Table: 11268
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2144
LACNIC Region transit ASes present in the Internet Routing Table: 2489
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: 9229
Number of LACNIC addresses announced to Internet: 3617536
Equivalent to 0 /8s, 55 /16s and 51 /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: 37934
Total AfriNIC prefixes after maximum aggregation: 6920
AfriNIC Deaggregation factor: 5.48
Prefixes being announced from the AfriNIC address blocks: 51344
Unique aggregates announced from the AfriNIC address blocks: 6525
AfriNIC Region origin ASes present in the Internet Routing Table: 1924
AfriNIC Prefixes per ASN: 26.69
AfriNIC Region origin ASes announcing only one prefix: 641
AfriNIC Region transit ASes present in the Internet Routing Table: 370
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1295
Number of AfriNIC addresses announced to Internet: 47763200
Equivalent to 2 /8s, 216 /16s and 207 /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 11880 8761 117 CHINAMOBILE-CN China Mobile Communication
7545 6159 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4964 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4540 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4466 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3929 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3721 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3313 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2909 863 522 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2742 812 180 CMNET-JIANGSU-AP China Mobile communicati
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 13715 40977 5281 AMAZON-02, US
174 5369 8771 862 COGENT-174, US
11492 4812 319 611 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3342 3032 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3223 54766 2474 DNIC-AS-00749, US
396982 3196 3855 432 GOOGLE-CLOUD-PLATFORM, US
16625 3100 1308 2238 AKAMAI-AS, US
4155 2870 218 1735 USDA-1, 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 9772 1301 1045 TTNET, TR
12479 7600 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4095 3396 140 AKAMAI-ASN1, NL
9009 3809 362 2124 M247, RO
12389 3125 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2454 364 578 TELLCOM-AS, TR
212238 2323 164 1691 CDNEXT, GB
8452 1844 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 12386 3255 575 UNINET, MX
10620 3514 482 1020 Telmex Colombia S.A., CO
13999 2529 511 349 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1613 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1196 371 22 Telefonica del Peru S.A.A., PE
11664 1181 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1069 71 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1022 373 162 Axtel, S.A.B. de C.V., MX
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 1736 660 28 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
20011 1297 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36992 1226 1482 324 ETISALAT-MISR, EG
36935 824 520 42 Vodafone-, EG
37069 710 1112 11 MOBINIL, EG
24863 672 389 22 LINKdotNET-AS, EG
36914 572 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 13715 40977 5281 AMAZON-02, US
8151 12386 3255 575 UNINET, MX
9808 11880 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9772 1301 1045 TTNET, TR
12479 7600 1712 148 UNI2-AS, ES
7545 6159 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5369 8771 862 COGENT-174, US
4538 4964 4194 78 ERX-CERNET-BKB China Education and Resear
11492 4812 319 611 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
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 12386 11811 UNINET, MX
9808 11880 11763 CHINAMOBILE-CN China Mobile Communications Grou
47331 9772 8727 TTNET, TR
12479 7600 7452 UNI2-AS, ES
7545 6159 5537 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4964 4886 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4540 4515 FPT-AS-AP FPT Telecom Company, VN
174 5369 4507 COGENT-174, US
11492 4812 4201 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
398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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
198.18.0.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.1.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.2.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.3.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.4.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.5.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.6.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.7.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.9.0/24 18229 CTRLS-AS-IN CtrlS, IN
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: 21859 ZEN-ECN, 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
23.141.252.0/24 Origin: 26548 PUREVOLTAGE-INC, US
23.141.252.0/24 Transit: 6939 HURRICANE, US
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, 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!!
/1:1 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:14 /10:41 /11:92 /12:298
/13:582 /14:1220 /15:2182 /16:13890 /17:8447 /18:14015
/19:25317 /20:45826 /21:54544 /22:115150 /23:111373 /24:645518
/25:408 /26:583 /27:1045 /28:73 /29:98 /30:16
/31:1 /32:857
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8844 9772 TTNET, TR
8151 6573 12386 UNINET, MX
12479 6542 7600 UNI2-AS, ES
11492 3606 4812 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3637 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2494 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2345 13715 AMAZON-02, US
30036 2270 2611 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2456 2:1535 3:856 4:25 5:5081 6:163
7:6 8:1625 9:1 11:172 12:1340 13:460
14:2609 15:367 16:286 17:384 18:898 20:569
21:4 22:188 23:7820 24:2834 25:2 27:2878
29:19 31:3423 32:50 33:1 34:84 35:263
36:3648 37:4696 38:10741 39:914 40:253 41:4641
42:2032 43:2734 44:377 45:20259 46:5184 47:340
49:1935 50:1961 51:591 52:1586 54:327 55:1113
56:11 57:283 58:2281 59:1404 60:1174 61:2968
62:3038 63:1822 64:5593 65:2191 66:4830 67:3161
68:1114 69:4051 70:1070 71:634 72:2960 74:2830
75:1524 76:612 77:2859 78:4376 79:1725 80:2237
81:2235 82:3262 83:1484 84:1908 85:4438 86:1093
87:2410 88:3576 89:4597 90:781 91:8545 92:2725
93:2974 94:4166 95:5683 96:1502 97:315 98:958
99:696 100:71 101:1448 102:4498 103:32522 104:5243
105:2209 106:971 107:2656 108:1275 109:4245 110:2249
111:3378 112:2260 113:1882 114:1974 115:2285 116:2132
117:2587 118:3005 119:1987 120:2189 121:1400 122:2819
123:2429 124:1767 125:2935 126:91 128:1643 129:1003
130:1340 131:2218 132:884 133:450 134:1650 135:436
136:1460 137:1198 138:3201 139:1583 140:1700 141:1521
142:1951 143:2134 144:1201 145:569 146:2195 147:2111
148:2721 149:3000 150:1239 151:2244 152:2098 153:590
154:7958 155:1867 156:3149 157:1980 158:1351 159:2520
160:3766 161:1938 162:3889 163:2277 164:1927 165:2402
166:1528 167:2061 168:4308 169:817 170:5594 171:1011
172:4259 173:3424 174:921 175:1328 176:3858 177:6030
178:4132 179:2753 180:2671 181:4351 182:3507 183:2261
184:2125 185:21923 186:5936 187:5189 188:4402 189:4717
190:10015 191:1745 192:11408 193:9546 194:7893 195:5769
196:3678 197:3865 198:6311 199:8644 200:8832 201:6628
202:10877 203:10815 204:4701 205:3690 206:4578 207:3665
208:4299 209:5277 210:4926 211:2698 212:4777 213:3952
214:1025 215:46 216:6858 217:3256 218:1427 219:574
220:2147 221:1193 222:875 223:2724
End of report
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