[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 11 22:45:19 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 11 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: 1039016
Prefixes after maximum aggregation (per Origin AS): 386430
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 486126
Total ASes present in the Internet Routing Table: 77138
Prefixes per ASN: 13.47
Origin-only ASes present in the Internet Routing Table: 66380
Origin ASes announcing only one prefix: 26316
Transit ASes present in the Internet Routing Table: 10758
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: 1214
Number of instances of unregistered ASNs: 1255
Number of 32-bit ASNs allocated by the RIRs: 46790
Number of 32-bit ASNs visible in the Routing Table: 38616
Prefixes from 32-bit ASNs in the Routing Table: 217133
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: 498
Number of addresses announced to Internet: 3107875592
Equivalent to 185 /8s, 62 /16s and 107 /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: 350918
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 269730
Total APNIC prefixes after maximum aggregation: 78442
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 260334
Unique aggregates announced from the APNIC address blocks: 105086
APNIC Region origin ASes present in the Internet Routing Table: 14744
APNIC Prefixes per ASN: 17.66
APNIC Region origin ASes announcing only one prefix: 4477
APNIC Region transit ASes present in the Internet Routing Table: 1945
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: 10251
Number of APNIC addresses announced to Internet: 750229825
Equivalent to 44 /8s, 183 /16s and 153 /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: 298521
Total ARIN prefixes after maximum aggregation: 133317
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300034
Unique aggregates announced from the ARIN address blocks: 140640
ARIN Region origin ASes present in the Internet Routing Table: 19239
ARIN Prefixes per ASN: 15.60
ARIN Region origin ASes announcing only one prefix: 7013
ARIN Region transit ASes present in the Internet Routing Table: 1914
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: 5259
Number of ARIN addresses announced to Internet: 1349636864
Equivalent to 80 /8s, 113 /16s and 211 /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: 293478
Total RIPE prefixes after maximum aggregation: 137098
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 292137
Unique aggregates announced from the RIPE address blocks: 177156
RIPE Region origin ASes present in the Internet Routing Table: 29009
RIPE Prefixes per ASN: 10.07
RIPE Region origin ASes announcing only one prefix: 12013
RIPE Region transit ASes present in the Internet Routing Table: 3871
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: 12573
Number of RIPE addresses announced to Internet: 731662951
Equivalent to 43 /8s, 156 /16s and 74 /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: 139165
Total LACNIC prefixes after maximum aggregation: 29875
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 135670
Unique aggregates announced from the LACNIC address blocks: 48974
LACNIC Region origin ASes present in the Internet Routing Table: 11280
LACNIC Prefixes per ASN: 12.03
LACNIC Region origin ASes announcing only one prefix: 2163
LACNIC Region transit ASes present in the Internet Routing Table: 2496
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: 9237
Number of LACNIC addresses announced to Internet: 171253856
Equivalent to 10 /8s, 53 /16s and 32 /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: 36908
Total AfriNIC prefixes after maximum aggregation: 6906
AfriNIC Deaggregation factor: 5.34
Prefixes being announced from the AfriNIC address blocks: 50342
Unique aggregates announced from the AfriNIC address blocks: 13827
AfriNIC Region origin ASes present in the Internet Routing Table: 1927
AfriNIC Prefixes per ASN: 26.12
AfriNIC Region origin ASes announcing only one prefix: 650
AfriNIC Region transit ASes present in the Internet Routing Table: 369
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1296
Number of AfriNIC addresses announced to Internet: 104825344
Equivalent to 6 /8s, 63 /16s and 130 /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 11812 8761 117 CHINAMOBILE-CN China Mobile Communication
7545 6147 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4475 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4465 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3922 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3722 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3305 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2906 863 521 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2654 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 13675 40960 5254 AMAZON-02, US
174 5392 8769 849 COGENT-174, US
11492 4788 317 606 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3339 3034 168 ASN-CXA-ALL-CCI-22773-RDC, US
749 3225 54767 2476 DNIC-AS-00749, US
396982 3196 3855 433 GOOGLE-CLOUD-PLATFORM, US
16625 3120 1313 2254 AKAMAI-AS, US
4155 2848 216 1739 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 9766 1298 1046 TTNET, TR
12479 7638 1713 150 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4099 3396 140 AKAMAI-ASN1, NL
9009 3800 361 2123 M247, RO
12389 3124 2317 875 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2453 364 577 TELLCOM-AS, TR
212238 2349 168 1716 CDNEXT, GB
8452 1849 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 12367 3255 575 UNINET, MX
10620 3513 481 1023 Telmex Colombia S.A., CO
13999 2531 538 352 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1612 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 371 22 Telefonica del Peru S.A.A., PE
11664 1166 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1054 70 381 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1023 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
37457 1639 316 32 Telkom-Internet, ZA
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
20011 1296 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
24835 1193 633 33 RAYA-AS, EG
36992 934 1438 304 ETISALAT-MISR, EG
36935 754 520 38 Vodafone-, EG
24863 651 389 22 LINKdotNET-AS, EG
37069 609 1112 11 MOBINIL, EG
36914 574 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 13675 40960 5254 AMAZON-02, US
8151 12367 3255 575 UNINET, MX
9808 11812 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9766 1298 1046 TTNET, TR
12479 7638 1713 150 UNI2-AS, ES
7545 6147 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5392 8769 849 COGENT-174, US
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4788 317 606 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 12367 11792 UNINET, MX
9808 11812 11695 CHINAMOBILE-CN China Mobile Communications Grou
47331 9766 8720 TTNET, TR
12479 7638 7488 UNI2-AS, ES
7545 6147 5525 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4775 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5392 4543 COGENT-174, US
18403 4475 4450 FPT-AS-AP FPT Telecom Company, VN
11492 4788 4182 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: 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
23.147.224.0/24 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!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:14 /10:41 /11:92 /12:298
/13:580 /14:1213 /15:2182 /16:13879 /17:8418 /18:13948
/19:25233 /20:45597 /21:54395 /22:114724 /23:111307 /24:643993
/25:406 /26:581 /27:1043 /28:71 /29:100 /30:16
/31:1 /32:867
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8844 9766 TTNET, TR
12479 6571 7638 UNI2-AS, ES
8151 6560 12367 UNINET, MX
11492 3582 4788 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3637 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2490 3339 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2343 13675 AMAZON-02, US
30036 2267 2608 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 3:851 4:25 5:5062 6:162
7:6 8:1629 9:1 11:172 12:1346 13:459
14:2605 15:368 16:285 17:378 18:897 20:567
21:4 22:188 23:7811 24:2830 25:2 27:2854
29:19 31:3399 32:50 33:1 34:84 35:262
36:3544 37:4716 38:10722 39:911 40:251 41:4621
42:1970 43:2724 44:379 45:20152 46:5172 47:339
49:1936 50:1915 51:592 52:1586 54:324 55:1107
56:11 57:282 58:2284 59:1406 60:1174 61:2961
62:3025 63:1821 64:5592 65:2197 66:4817 67:3159
68:1118 69:4039 70:1070 71:633 72:2960 74:2828
75:1524 76:612 77:2862 78:4373 79:1742 80:2234
81:2256 82:3239 83:1494 84:1886 85:4432 86:1094
87:2418 88:3580 89:4605 90:777 91:8546 92:2774
93:2966 94:4206 95:5677 96:1503 97:315 98:965
99:697 100:72 101:1448 102:4458 103:32549 104:5298
105:2203 106:976 107:2655 108:1273 109:4226 110:2246
111:3341 112:2241 113:1881 114:1972 115:2282 116:2127
117:2560 118:3002 119:1986 120:2161 121:1400 122:2815
123:2448 124:1753 125:2935 126:91 128:1640 129:1000
130:1334 131:2222 132:888 133:450 134:1588 135:435
136:1438 137:1201 138:3206 139:1590 140:1643 141:1530
142:1962 143:2079 144:1195 145:567 146:2201 147:2112
148:2711 149:2999 150:1237 151:2216 152:2104 153:591
154:8032 155:1838 156:3103 157:1960 158:1348 159:2504
160:3762 161:1905 162:3909 163:2253 164:1926 165:2133
166:1512 167:2055 168:4311 169:813 170:5592 171:1009
172:4455 173:3388 174:920 175:1322 176:3842 177:6020
178:4151 179:2775 180:2678 181:4337 182:3493 183:2252
184:2129 185:21883 186:5926 187:5139 188:4398 189:4716
190:10003 191:1721 192:11383 193:9542 194:7898 195:5761
196:3664 197:3847 198:6299 199:8623 200:8840 201:6604
202:10852 203:10776 204:4631 205:3700 206:4576 207:3655
208:4303 209:5252 210:4933 211:2678 212:4777 213:3916
214:1023 215:46 216:6869 217:3243 218:1423 219:574
220:2144 221:1187 222:845 223:2661
End of report
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