[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jul 17 22:46:38 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 17 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: 1041103
Prefixes after maximum aggregation (per Origin AS): 386742
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 213010
Total ASes present in the Internet Routing Table: 77167
Prefixes per ASN: 13.49
Origin-only ASes present in the Internet Routing Table: 66379
Origin ASes announcing only one prefix: 26327
Transit ASes present in the Internet Routing Table: 10788
Transit-only ASes present in the Internet Routing Table: 554
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: 1207
Number of instances of unregistered ASNs: 1248
Number of 32-bit ASNs allocated by the RIRs: 46856
Number of 32-bit ASNs visible in the Routing Table: 38649
Prefixes from 32-bit ASNs in the Routing Table: 217565
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: 519
Number of addresses announced to Internet: 3978343572
Equivalent to 237 /8s, 32 /16s and 180 /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: 351279
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 270319
Total APNIC prefixes after maximum aggregation: 78440
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 261084
Unique aggregates announced from the APNIC address blocks: 67862
APNIC Region origin ASes present in the Internet Routing Table: 14749
APNIC Prefixes per ASN: 17.70
APNIC Region origin ASes announcing only one prefix: 4494
APNIC Region transit ASes present in the Internet Routing Table: 1960
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: 10267
Number of APNIC addresses announced to Internet: 465292801
Equivalent to 27 /8s, 187 /16s and 206 /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: 298878
Total ARIN prefixes after maximum aggregation: 133399
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300322
Unique aggregates announced from the ARIN address blocks: 50753
ARIN Region origin ASes present in the Internet Routing Table: 19248
ARIN Prefixes per ASN: 15.60
ARIN Region origin ASes announcing only one prefix: 7017
ARIN Region transit ASes present in the Internet Routing Table: 1931
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: 5258
Number of ARIN addresses announced to Internet: 855820288
Equivalent to 51 /8s, 2 /16s and 200 /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: 293793
Total RIPE prefixes after maximum aggregation: 137313
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 292458
Unique aggregates announced from the RIPE address blocks: 81539
RIPE Region origin ASes present in the Internet Routing Table: 29022
RIPE Prefixes per ASN: 10.08
RIPE Region origin ASes announcing only one prefix: 12016
RIPE Region transit ASes present in the Internet Routing Table: 3876
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: 12593
Number of RIPE addresses announced to Internet: -1688955757
Equivalent to 155 /8s, 84 /16s and 148 /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: 139093
Total LACNIC prefixes after maximum aggregation: 29870
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 135579
Unique aggregates announced from the LACNIC address blocks: 6101
LACNIC Region origin ASes present in the Internet Routing Table: 11271
LACNIC Prefixes per ASN: 12.03
LACNIC Region origin ASes announcing only one prefix: 2150
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: 9227
Number of LACNIC addresses announced to Internet: 3615232
Equivalent to 0 /8s, 55 /16s and 42 /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: 37813
Total AfriNIC prefixes after maximum aggregation: 6928
AfriNIC Deaggregation factor: 5.46
Prefixes being announced from the AfriNIC address blocks: 51140
Unique aggregates announced from the AfriNIC address blocks: 6520
AfriNIC Region origin ASes present in the Internet Routing Table: 1936
AfriNIC Prefixes per ASN: 26.42
AfriNIC Region origin ASes announcing only one prefix: 650
AfriNIC Region transit ASes present in the Internet Routing Table: 371
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: 1304
Number of AfriNIC addresses announced to Internet: 47502848
Equivalent to 2 /8s, 212 /16s and 214 /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 6147 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4955 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4528 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 2741 812 179 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 13698 40966 5276 AMAZON-02, US
174 5375 8769 860 COGENT-174, US
11492 4812 319 611 CABLEONE, US
7155 3856 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 3099 1308 2240 AKAMAI-AS, US
4155 2869 218 1731 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 7601 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4097 3396 140 AKAMAI-ASN1, NL
9009 3810 362 2125 M247, RO
12389 3124 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2454 364 578 TELLCOM-AS, TR
212238 2326 165 1694 CDNEXT, GB
8452 1852 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 12382 3255 574 UNINET, MX
10620 3513 481 1023 Telmex Colombia S.A., CO
13999 2530 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 1195 371 21 Telefonica del Peru S.A.A., PE
11664 1172 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1069 71 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1019 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 1693 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 1225 1482 322 ETISALAT-MISR, EG
36935 824 520 42 Vodafone-, EG
37069 710 1112 11 MOBINIL, EG
24863 672 389 22 LINKdotNET-AS, EG
36914 570 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 13698 40966 5276 AMAZON-02, US
8151 12382 3255 574 UNINET, MX
9808 11880 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9772 1301 1045 TTNET, TR
12479 7601 1712 148 UNI2-AS, ES
7545 6147 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5375 8769 860 COGENT-174, US
4538 4955 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 12382 11808 UNINET, MX
9808 11880 11763 CHINAMOBILE-CN China Mobile Communications Grou
47331 9772 8727 TTNET, TR
12479 7601 7453 UNI2-AS, ES
7545 6147 5525 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4955 4877 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5375 4515 COGENT-174, US
18403 4528 4503 FPT-AS-AP FPT Telecom Company, VN
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
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US
23.147.224.0/24 Origin: 27392 639-DATACENTERS, US
23.147.224.0/24 Transit: 3356 LEVEL3, 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 /14:1219 /15:2174 /16:13876 /17:8406 /18:13999
/19:25291 /20:45797 /21:54533 /22:115113 /23:111369 /24:645198
/25:409 /26:583 /27:1044 /28:73 /29:99 /30:16
/31:1 /32:858
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8844 9772 TTNET, TR
8151 6570 12382 UNINET, MX
12479 6543 7601 UNI2-AS, ES
11492 3606 4812 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3637 SHAW, CA
7155 2815 3856 VIASAT-SP-BACKBONE, US
22773 2494 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2343 13698 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)
----------------------------------------------
1:2448 2:1537 3:853 4:25 5:5062 6:163
7:6 8:1625 9:1 11:172 12:1341 13:460
14:2604 15:366 16:286 17:383 18:899 20:569
21:4 22:188 23:7817 24:2834 25:2 27:2881
29:19 31:3421 32:50 33:1 34:84 35:262
36:3616 37:4695 38:10740 39:913 40:253 41:4633
42:2020 43:2734 44:377 45:20215 46:5203 47:341
49:1937 50:1961 51:591 52:1587 54:324 55:1110
56:11 57:282 58:2279 59:1406 60:1173 61:2968
62:3036 63:1823 64:5579 65:2191 66:4820 67:3160
68:1115 69:4047 70:1070 71:633 72:2960 74:2828
75:1524 76:612 77:2866 78:4376 79:1736 80:2236
81:2263 82:3268 83:1485 84:1916 85:4437 86:1093
87:2403 88:3576 89:4600 90:781 91:8540 92:2782
93:2974 94:4185 95:5694 96:1499 97:314 98:959
99:696 100:71 101:1448 102:4536 103:32541 104:5243
105:2204 106:971 107:2654 108:1275 109:4240 110:2249
111:3373 112:2260 113:1882 114:1976 115:2285 116:2130
117:2586 118:3004 119:1987 120:2189 121:1400 122:2813
123:2435 124:1763 125:2933 126:91 128:1646 129:1000
130:1323 131:2219 132:883 133:450 134:1651 135:436
136:1471 137:1201 138:3196 139:1586 140:1695 141:1522
142:1951 143:2124 144:1203 145:569 146:2201 147:2113
148:2720 149:3002 150:1239 151:2241 152:2065 153:590
154:7929 155:1860 156:3116 157:1964 158:1352 159:2519
160:3763 161:1935 162:3888 163:2278 164:1929 165:2387
166:1527 167:2055 168:4270 169:812 170:5590 171:1012
172:4258 173:3418 174:922 175:1328 176:3858 177:6016
178:4149 179:2747 180:2672 181:4340 182:3511 183:2261
184:2126 185:21924 186:5912 187:5170 188:4410 189:4713
190:10010 191:1746 192:11407 193:9547 194:7892 195:5767
196:3668 197:3845 198:6303 199:8645 200:8828 201:6620
202:10872 203:10815 204:4701 205:3682 206:4578 207:3664
208:4301 209:5264 210:4926 211:2699 212:4779 213:3951
214:1022 215:46 216:6859 217:3254 218:1427 219:574
220:2147 221:1194 222:876 223:2723
End of report
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