[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jul 13 22:45:09 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sun 13 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: 1039638
Prefixes after maximum aggregation (per Origin AS): 386576
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 486347
Total ASes present in the Internet Routing Table: 77137
Prefixes per ASN: 13.48
Origin-only ASes present in the Internet Routing Table: 66365
Origin ASes announcing only one prefix: 26314
Transit ASes present in the Internet Routing Table: 10772
Transit-only ASes present in the Internet Routing Table: 550
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: 1204
Number of instances of unregistered ASNs: 1245
Number of 32-bit ASNs allocated by the RIRs: 46830
Number of 32-bit ASNs visible in the Routing Table: 38614
Prefixes from 32-bit ASNs in the Routing Table: 217220
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: 523
Number of addresses announced to Internet: 3108057096
Equivalent to 185 /8s, 65 /16s and 48 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 350979
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 269675
Total APNIC prefixes after maximum aggregation: 78425
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 260399
Unique aggregates announced from the APNIC address blocks: 105074
APNIC Region origin ASes present in the Internet Routing Table: 14741
APNIC Prefixes per ASN: 17.66
APNIC Region origin ASes announcing only one prefix: 4480
APNIC Region transit ASes present in the Internet Routing Table: 1947
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: 10251
Number of APNIC addresses announced to Internet: 750236993
Equivalent to 44 /8s, 183 /16s and 181 /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: 298599
Total ARIN prefixes after maximum aggregation: 133394
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300134
Unique aggregates announced from the ARIN address blocks: 140728
ARIN Region origin ASes present in the Internet Routing Table: 19245
ARIN Prefixes per ASN: 15.60
ARIN Region origin ASes announcing only one prefix: 7015
ARIN Region transit ASes present in the Internet Routing Table: 1920
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: 1349634816
Equivalent to 80 /8s, 113 /16s and 203 /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: 293586
Total RIPE prefixes after maximum aggregation: 137137
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 292133
Unique aggregates announced from the RIPE address blocks: 177193
RIPE Region origin ASes present in the Internet Routing Table: 29005
RIPE Prefixes per ASN: 10.07
RIPE Region origin ASes announcing only one prefix: 12005
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: 12572
Number of RIPE addresses announced to Internet: 731669863
Equivalent to 43 /8s, 156 /16s and 101 /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: 138958
Total LACNIC prefixes after maximum aggregation: 29896
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135479
Unique aggregates announced from the LACNIC address blocks: 48989
LACNIC Region origin ASes present in the Internet Routing Table: 11280
LACNIC Prefixes per ASN: 12.01
LACNIC Region origin ASes announcing only one prefix: 2164
LACNIC Region transit ASes present in the Internet Routing Table: 2499
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: 171258464
Equivalent to 10 /8s, 53 /16s and 50 /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: 37616
Total AfriNIC prefixes after maximum aggregation: 6940
AfriNIC Deaggregation factor: 5.42
Prefixes being announced from the AfriNIC address blocks: 50969
Unique aggregates announced from the AfriNIC address blocks: 13895
AfriNIC Region origin ASes present in the Internet Routing Table: 1930
AfriNIC Prefixes per ASN: 26.41
AfriNIC Region origin ASes announcing only one prefix: 650
AfriNIC Region transit ASes present in the Internet Routing Table: 367
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: 104984832
Equivalent to 6 /8s, 65 /16s and 241 /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 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4522 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4465 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3924 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 13676 40961 5256 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 3195 3854 432 GOOGLE-CLOUD-PLATFORM, US
16625 3119 1313 2253 AKAMAI-AS, US
4155 2854 217 1722 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 2454 364 578 TELLCOM-AS, TR
212238 2349 168 1716 CDNEXT, GB
8452 1872 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 12337 3255 574 UNINET, MX
10620 3512 481 1022 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 1613 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 1055 70 381 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 1649 633 33 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 1195 1474 353 ETISALAT-MISR, EG
36935 743 520 38 Vodafone-, EG
24863 658 389 22 LINKdotNET-AS, EG
37069 609 1112 11 MOBINIL, 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 13676 40961 5256 AMAZON-02, US
8151 12337 3255 574 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 6148 840 623 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 12337 11763 UNINET, MX
9808 11812 11695 CHINAMOBILE-CN China Mobile Communications Grou
47331 9766 8720 TTNET, TR
12479 7638 7488 UNI2-AS, ES
7545 6148 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 4522 4497 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
/13:582 /14:1220 /15:2182 /16:13879 /17:8418 /18:14003
/19:25254 /20:45678 /21:54478 /22:115072 /23:111311 /24:644011
/25:406 /26:581 /27:1043 /28:72 /29:100 /30:16
/31:1 /32:869
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 6531 12337 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 13676 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)
----------------------------------------------
1:2447 2:1536 3:851 4:25 5:5057 6:162
7:6 8:1628 9:1 11:172 12:1344 13:459
14:2605 15:368 16:285 17:378 18:899 20:567
21:4 22:188 23:7813 24:2830 25:2 27:2866
29:19 31:3407 32:50 33:1 34:84 35:262
36:3544 37:4716 38:10719 39:911 40:250 41:4626
42:2012 43:2722 44:378 45:20126 46:5177 47:339
49:1937 50:1961 51:592 52:1587 54:324 55:1107
56:11 57:282 58:2284 59:1406 60:1174 61:2961
62:3034 63:1819 64:5590 65:2196 66:4822 67:3159
68:1119 69:4039 70:1070 71:634 72:2961 74:2830
75:1524 76:612 77:2861 78:4372 79:1740 80:2234
81:2258 82:3238 83:1486 84:1902 85:4434 86:1090
87:2417 88:3580 89:4598 90:777 91:8546 92:2771
93:2968 94:4211 95:5693 96:1502 97:315 98:965
99:697 100:72 101:1448 102:4492 103:32532 104:5307
105:2209 106:976 107:2655 108:1274 109:4229 110:2247
111:3341 112:2240 113:1880 114:1973 115:2282 116:2127
117:2560 118:3003 119:1986 120:2160 121:1399 122:2816
123:2448 124:1752 125:2935 126:91 128:1641 129:1000
130:1331 131:2224 132:880 133:450 134:1586 135:435
136:1440 137:1202 138:3214 139:1588 140:1643 141:1538
142:1957 143:2075 144:1197 145:567 146:2201 147:2112
148:2710 149:3000 150:1236 151:2226 152:2104 153:590
154:7939 155:1839 156:3102 157:1960 158:1348 159:2502
160:3753 161:1906 162:3910 163:2259 164:1923 165:2136
166:1514 167:2056 168:4306 169:813 170:5592 171:1009
172:4452 173:3415 174:920 175:1324 176:3841 177:6012
178:4151 179:2775 180:2677 181:4307 182:3496 183:2253
184:2131 185:21879 186:5920 187:5146 188:4397 189:4692
190:9964 191:1721 192:11390 193:9543 194:7894 195:5759
196:3673 197:3849 198:6310 199:8619 200:8799 201:6642
202:10850 203:10772 204:4641 205:3701 206:4573 207:3652
208:4301 209:5252 210:4935 211:2678 212:4776 213:3926
214:1033 215:46 216:6867 217:3249 218:1424 219:574
220:2143 221:1187 222:845 223:2661
End of report
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