[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 16 22:47:01 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 16 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: 1040898
Prefixes after maximum aggregation (per Origin AS): 386811
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 213086
Total ASes present in the Internet Routing Table: 77157
Prefixes per ASN: 13.49
Origin-only ASes present in the Internet Routing Table: 66378
Origin ASes announcing only one prefix: 26345
Transit ASes present in the Internet Routing Table: 10779
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: 1200
Number of instances of unregistered ASNs: 1241
Number of 32-bit ASNs allocated by the RIRs: 46838
Number of 32-bit ASNs visible in the Routing Table: 38641
Prefixes from 32-bit ASNs in the Routing Table: 217512
Number of bogon 32-bit ASNs visible in the Routing Table: 126
Special use prefixes present in the Routing Table: 54
Prefixes being announced from unallocated address space: 526
Number of addresses announced to Internet: 3978200468
Equivalent to 237 /8s, 30 /16s and 133 /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: 351332
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 270114
Total APNIC prefixes after maximum aggregation: 78409
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 260845
Unique aggregates announced from the APNIC address blocks: 67882
APNIC Region origin ASes present in the Internet Routing Table: 14745
APNIC Prefixes per ASN: 17.69
APNIC Region origin ASes announcing only one prefix: 4499
APNIC Region transit ASes present in the Internet Routing Table: 1956
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: 10265
Number of APNIC addresses announced to Internet: 465185025
Equivalent to 27 /8s, 186 /16s and 41 /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: 298785
Total ARIN prefixes after maximum aggregation: 133491
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300233
Unique aggregates announced from the ARIN address blocks: 50775
ARIN Region origin ASes present in the Internet Routing Table: 19239
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: 1929
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: 5255
Number of ARIN addresses announced to Internet: 855822336
Equivalent to 51 /8s, 2 /16s and 208 /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: 293791
Total RIPE prefixes after maximum aggregation: 137280
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 292419
Unique aggregates announced from the RIPE address blocks: 81531
RIPE Region origin ASes present in the Internet Routing Table: 29016
RIPE Prefixes per ASN: 10.08
RIPE Region origin ASes announcing only one prefix: 12019
RIPE Region transit ASes present in the Internet Routing Table: 3872
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: 12583
Number of RIPE addresses announced to Internet: -1688989037
Equivalent to 155 /8s, 84 /16s and 18 /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: 139200
Total LACNIC prefixes after maximum aggregation: 29910
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135689
Unique aggregates announced from the LACNIC address blocks: 6114
LACNIC Region origin ASes present in the Internet Routing Table: 11279
LACNIC Prefixes per ASN: 12.03
LACNIC Region origin ASes announcing only one prefix: 2160
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: 9234
Number of LACNIC addresses announced to Internet: 3618048
Equivalent to 0 /8s, 55 /16s and 53 /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: 37808
Total AfriNIC prefixes after maximum aggregation: 6934
AfriNIC Deaggregation factor: 5.45
Prefixes being announced from the AfriNIC address blocks: 51185
Unique aggregates announced from the AfriNIC address blocks: 6548
AfriNIC Region origin ASes present in the Internet Routing Table: 1937
AfriNIC Prefixes per ASN: 26.42
AfriNIC Region origin ASes announcing only one prefix: 653
AfriNIC Region transit ASes present in the Internet Routing Table: 369
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: 47495680
Equivalent to 2 /8s, 212 /16s and 186 /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 11875 8761 117 CHINAMOBILE-CN China Mobile Communication
7545 6150 840 621 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4964 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4519 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 3719 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 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 13655 40960 5272 AMAZON-02, US
174 5394 8770 858 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 3224 54766 2475 DNIC-AS-00749, US
396982 3196 3855 432 GOOGLE-CLOUD-PLATFORM, US
16625 3099 1308 2240 AKAMAI-AS, US
4155 2862 217 1730 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 7624 1713 150 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4109 3396 140 AKAMAI-ASN1, NL
9009 3810 362 2125 M247, RO
12389 3123 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2454 364 578 TELLCOM-AS, TR
212238 2325 165 1695 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 12390 3255 575 UNINET, MX
10620 3513 481 1023 Telmex Colombia S.A., CO
13999 2527 511 349 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 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 21 Telefonica del Peru S.A.A., PE
11664 1180 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 1683 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 1215 1477 335 ETISALAT-MISR, EG
36935 824 520 42 Vodafone-, EG
37069 710 1112 11 MOBINIL, EG
24863 670 389 22 LINKdotNET-AS, 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 13655 40960 5272 AMAZON-02, US
8151 12390 3255 575 UNINET, MX
9808 11875 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9766 1298 1046 TTNET, TR
12479 7624 1713 150 UNI2-AS, ES
7545 6150 840 621 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5394 8770 858 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 12390 11815 UNINET, MX
9808 11875 11758 CHINAMOBILE-CN China Mobile Communications Grou
47331 9766 8720 TTNET, TR
12479 7624 7474 UNI2-AS, ES
7545 6150 5529 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4964 4886 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5394 4536 COGENT-174, US
18403 4519 4494 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 /16:13871 /17:8406 /18:14003
/19:25237 /20:45784 /21:54513 /22:115153 /23:111362 /24:645057
/25:408 /26:582 /27:1042 /28:73 /29:99 /30:16
/31:1 /32:853
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8844 9766 TTNET, TR
8151 6580 12390 UNINET, MX
12479 6564 7624 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 2337 13655 AMAZON-02, US
30036 2265 2606 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 3:848 4:25 5:5058 6:163
7:6 8:1627 9:1 11:172 12:1340 13:452
14:2605 15:367 16:286 17:383 18:891 20:567
21:4 22:188 23:7813 24:2834 25:2 27:2877
29:19 31:3424 32:50 33:1 34:84 35:262
36:3566 37:4697 38:10730 39:912 40:254 41:4631
42:2010 43:2726 44:378 45:20228 46:5204 47:341
49:1937 50:1963 51:591 52:1587 54:324 55:1105
56:11 57:282 58:2279 59:1406 60:1174 61:2964
62:3037 63:1821 64:5589 65:2187 66:4826 67:3160
68:1114 69:4048 70:1070 71:633 72:2962 74:2828
75:1524 76:611 77:2865 78:4375 79:1731 80:2237
81:2261 82:3259 83:1488 84:1914 85:4438 86:1091
87:2414 88:3579 89:4605 90:779 91:8543 92:2774
93:2971 94:4186 95:5697 96:1501 97:315 98:958
99:700 100:72 101:1446 102:4541 103:32525 104:5301
105:2203 106:969 107:2653 108:1274 109:4231 110:2249
111:3354 112:2253 113:1880 114:1971 115:2286 116:2130
117:2583 118:3004 119:1994 120:2172 121:1401 122:2818
123:2433 124:1751 125:2934 126:91 128:1646 129:1000
130:1346 131:2217 132:885 133:450 134:1591 135:436
136:1472 137:1203 138:3171 139:1587 140:1700 141:1525
142:1953 143:2115 144:1203 145:567 146:2202 147:2112
148:2706 149:3003 150:1238 151:2238 152:2104 153:590
154:7950 155:1851 156:3121 157:1958 158:1350 159:2518
160:3753 161:1913 162:3893 163:2278 164:1921 165:2161
166:1529 167:2054 168:4306 169:811 170:5587 171:1011
172:4453 173:3414 174:920 175:1328 176:3857 177:6006
178:4148 179:2774 180:2672 181:4344 182:3507 183:2258
184:2130 185:21921 186:5927 187:5166 188:4405 189:4713
190:10003 191:1739 192:11409 193:9550 194:7893 195:5768
196:3680 197:3851 198:6308 199:8629 200:8835 201:6634
202:10874 203:10808 204:4644 205:3688 206:4583 207:3666
208:4303 209:5257 210:4957 211:2698 212:4774 213:3958
214:1022 215:46 216:6872 217:3256 218:1426 219:574
220:2149 221:1194 222:876 223:2723
End of report
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