[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jul 2 22:45:02 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 02 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: 1040522
Prefixes after maximum aggregation (per Origin AS): 385929
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 485435
Total ASes present in the Internet Routing Table: 77081
Prefixes per ASN: 13.50
Origin-only ASes present in the Internet Routing Table: 66344
Origin ASes announcing only one prefix: 26292
Transit ASes present in the Internet Routing Table: 10737
Transit-only ASes present in the Internet Routing Table: 549
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: 77
Max AS path prepend of ASN (133647) 73
Prefixes from unregistered ASNs in the Routing Table: 1183
Number of instances of unregistered ASNs: 1225
Number of 32-bit ASNs allocated by the RIRs: 46726
Number of 32-bit ASNs visible in the Routing Table: 38523
Prefixes from 32-bit ASNs in the Routing Table: 216646
Number of bogon 32-bit ASNs visible in the Routing Table: 161
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 466
Number of addresses announced to Internet: 3107496391
Equivalent to 185 /8s, 56 /16s and 161 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 351043
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 269089
Total APNIC prefixes after maximum aggregation: 78262
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 259948
Unique aggregates announced from the APNIC address blocks: 104798
APNIC Region origin ASes present in the Internet Routing Table: 14707
APNIC Prefixes per ASN: 17.68
APNIC Region origin ASes announcing only one prefix: 4464
APNIC Region transit ASes present in the Internet Routing Table: 1940
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 77
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10215
Number of APNIC addresses announced to Internet: 749948993
Equivalent to 44 /8s, 179 /16s and 80 /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: 298410
Total ARIN prefixes after maximum aggregation: 133237
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299328
Unique aggregates announced from the ARIN address blocks: 140288
ARIN Region origin ASes present in the Internet Routing Table: 19257
ARIN Prefixes per ASN: 15.54
ARIN Region origin ASes announcing only one prefix: 7018
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: 5244
Number of ARIN addresses announced to Internet: 1349285888
Equivalent to 80 /8s, 108 /16s and 120 /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: 293444
Total RIPE prefixes after maximum aggregation: 136958
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 291956
Unique aggregates announced from the RIPE address blocks: 177101
RIPE Region origin ASes present in the Internet Routing Table: 28979
RIPE Prefixes per ASN: 10.07
RIPE Region origin ASes announcing only one prefix: 11996
RIPE Region transit ASes present in the Internet Routing Table: 3868
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: 12534
Number of RIPE addresses announced to Internet: 731509606
Equivalent to 43 /8s, 153 /16s and 243 /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: 138714
Total LACNIC prefixes after maximum aggregation: 29846
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135278
Unique aggregates announced from the LACNIC address blocks: 48922
LACNIC Region origin ASes present in the Internet Routing Table: 11280
LACNIC Prefixes per ASN: 11.99
LACNIC Region origin ASes announcing only one prefix: 2167
LACNIC Region transit ASes present in the Internet Routing Table: 2487
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: 9234
Number of LACNIC addresses announced to Internet: 171247392
Equivalent to 10 /8s, 53 /16s and 7 /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: 39682
Total AfriNIC prefixes after maximum aggregation: 6870
AfriNIC Deaggregation factor: 5.78
Prefixes being announced from the AfriNIC address blocks: 53545
Unique aggregates announced from the AfriNIC address blocks: 13908
AfriNIC Region origin ASes present in the Internet Routing Table: 1931
AfriNIC Prefixes per ASN: 27.73
AfriNIC Region origin ASes announcing only one prefix: 647
AfriNIC Region transit ASes present in the Internet Routing Table: 364
Average AfriNIC Region AS path length visible: 3.4
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: 105248512
Equivalent to 6 /8s, 69 /16s and 247 /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 11472 8759 115 CHINAMOBILE-CN China Mobile Communication
7545 6146 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4851 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4455 536 314 BBIL-AP BHARTI Airtel Ltd., IN
18403 4416 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3913 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3718 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3311 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2901 861 527 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2425 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 13610 40950 5224 AMAZON-02, US
174 5391 8768 863 COGENT-174, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3339 3032 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3226 54767 2477 DNIC-AS-00749, US
396982 3193 3854 430 GOOGLE-CLOUD-PLATFORM, US
16625 3126 1313 2257 AKAMAI-AS, US
4155 2845 216 1733 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 9764 1298 1046 TTNET, TR
12479 7658 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4086 3396 140 AKAMAI-ASN1, NL
9009 3922 360 2102 M247, RO
12389 3125 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2454 364 578 TELLCOM-AS, TR
212238 2341 169 1709 CDNEXT, GB
8452 1900 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 12303 3256 579 UNINET, MX
10620 3507 481 1018 Telmex Colombia S.A., CO
13999 2531 537 360 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1611 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 22 Telefonica del Peru S.A.A., PE
11664 1164 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1066 71 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1055 2487 55 TIM SA, 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 1784 604 28 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1620 389 16 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1519 280 ETISALAT-MISR, EG
20011 1297 205 346 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
37069 1108 1100 18 MOBINIL, EG
36935 941 520 43 Vodafone-, EG
36914 577 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 13610 40950 5224 AMAZON-02, US
8151 12303 3256 579 UNINET, MX
9808 11472 8759 115 CHINAMOBILE-CN China Mobile Communication
47331 9764 1298 1046 TTNET, TR
12479 7658 1713 148 UNI2-AS, ES
7545 6146 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5391 8768 863 COGENT-174, US
4538 4851 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4781 317 604 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 12303 11724 UNINET, MX
9808 11472 11357 CHINAMOBILE-CN China Mobile Communications Grou
47331 9764 8718 TTNET, TR
12479 7658 7510 UNI2-AS, ES
7545 6146 5523 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4851 4774 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5391 4528 COGENT-174, US
18403 4416 4391 FPT-AS-AP FPT Telecom Company, VN
11492 4781 4177 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
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, 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 /12:298
/13:585 /14:1220 /15:2190 /16:13936 /17:8431 /18:14021
/19:25315 /20:46147 /21:54583 /22:115792 /23:111291 /24:643465
/25:407 /26:581 /27:1042 /28:69 /29:105 /30:18
/31:3 /32:859
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8842 9764 TTNET, TR
12479 6581 7658 UNI2-AS, ES
8151 6488 12303 UNINET, MX
11492 3577 4781 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3431 3637 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2491 3339 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2350 13610 AMAZON-02, US
30036 2264 2605 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2434 2:1542 3:825 4:25 5:5056 6:162
7:6 8:1645 9:1 11:172 12:1349 13:449
14:2589 15:366 16:285 17:381 18:894 20:565
21:4 22:188 23:7747 24:2830 25:2 27:2839
29:19 31:3377 32:50 33:1 34:84 35:262
36:3246 37:4691 38:10633 39:909 40:214 41:4831
42:1944 43:2696 44:382 45:20265 46:5215 47:330
49:1977 50:1906 51:592 52:1587 54:320 55:1098
56:11 57:277 58:2304 59:1450 60:1173 61:3050
62:3073 63:1822 64:5567 65:2202 66:4809 67:3145
68:1118 69:4031 70:1072 71:630 72:2961 74:2827
75:1526 76:613 77:2880 78:4365 79:1762 80:2242
81:2262 82:3246 83:1497 84:1902 85:4432 86:1091
87:2418 88:3580 89:4594 90:781 91:8520 92:2771
93:2967 94:4160 95:5689 96:1500 97:315 98:960
99:691 100:72 101:1447 102:4446 103:32588 104:5232
105:2240 106:975 107:2657 108:1276 109:4196 110:2251
111:3303 112:2203 113:1878 114:2006 115:2260 116:2133
117:2554 118:2949 119:1975 120:2139 121:1449 122:2820
123:2523 124:1735 125:2926 126:91 128:1634 129:995
130:1330 131:2210 132:896 133:451 134:1564 135:434
136:1397 137:1189 138:3171 139:1590 140:1638 141:1514
142:1960 143:2078 144:1182 145:561 146:2202 147:2115
148:2718 149:2971 150:1273 151:2166 152:2114 153:590
154:8228 155:1782 156:3229 157:1954 158:1341 159:2511
160:3737 161:1911 162:3909 163:2245 164:1919 165:2095
166:1515 167:2037 168:4296 169:814 170:5578 171:1010
172:4476 173:3389 174:921 175:1319 176:3850 177:5982
178:4103 179:2738 180:2705 181:4318 182:3485 183:2205
184:2133 185:21927 186:5883 187:5097 188:4385 189:4692
190:9972 191:1708 192:11371 193:9548 194:7885 195:5737
196:3700 197:3958 198:6237 199:8609 200:8818 201:6614
202:10847 203:10792 204:4628 205:3691 206:4555 207:3655
208:4295 209:5243 210:4972 211:2664 212:4799 213:3938
214:1015 215:46 216:6864 217:3283 218:1425 219:573
220:2140 221:1165 222:858 223:2603
End of report
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