[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jul 14 22:45:25 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Mon 14 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: 1039713
Prefixes after maximum aggregation (per Origin AS): 386557
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 486423
Total ASes present in the Internet Routing Table: 77144
Prefixes per ASN: 13.48
Origin-only ASes present in the Internet Routing Table: 66368
Origin ASes announcing only one prefix: 26331
Transit ASes present in the Internet Routing Table: 10776
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: 46830
Number of 32-bit ASNs visible in the Routing Table: 38635
Prefixes from 32-bit ASNs in the Routing Table: 217283
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: 3107929352
Equivalent to 185 /8s, 63 /16s and 61 /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: 350914
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 269767
Total APNIC prefixes after maximum aggregation: 78370
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 260518
Unique aggregates announced from the APNIC address blocks: 105145
APNIC Region origin ASes present in the Internet Routing Table: 14742
APNIC Prefixes per ASN: 17.67
APNIC Region origin ASes announcing only one prefix: 4490
APNIC Region transit ASes present in the Internet Routing Table: 1953
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: 10261
Number of APNIC addresses announced to Internet: 750298433
Equivalent to 44 /8s, 184 /16s and 165 /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: 298508
Total ARIN prefixes after maximum aggregation: 133391
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300066
Unique aggregates announced from the ARIN address blocks: 140718
ARIN Region origin ASes present in the Internet Routing Table: 19244
ARIN Prefixes per ASN: 15.59
ARIN Region origin ASes announcing only one prefix: 7019
ARIN Region transit ASes present in the Internet Routing Table: 1923
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: 1349720320
Equivalent to 80 /8s, 115 /16s and 25 /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: 293462
Total RIPE prefixes after maximum aggregation: 137165
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 292063
Unique aggregates announced from the RIPE address blocks: 177230
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: 12007
RIPE Region transit ASes present in the Internet Routing Table: 3869
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: 12577
Number of RIPE addresses announced to Internet: 731703911
Equivalent to 43 /8s, 156 /16s and 234 /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: 139036
Total LACNIC prefixes after maximum aggregation: 29918
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135537
Unique aggregates announced from the LACNIC address blocks: 49011
LACNIC Region origin ASes present in the Internet Routing Table: 11277
LACNIC Prefixes per ASN: 12.02
LACNIC Region origin ASes announcing only one prefix: 2160
LACNIC Region transit ASes present in the Internet Routing Table: 2497
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: 9235
Number of LACNIC addresses announced to Internet: 171194976
Equivalent to 10 /8s, 52 /16s and 58 /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: 37740
Total AfriNIC prefixes after maximum aggregation: 6930
AfriNIC Deaggregation factor: 5.45
Prefixes being announced from the AfriNIC address blocks: 51005
Unique aggregates announced from the AfriNIC address blocks: 13847
AfriNIC Region origin ASes present in the Internet Routing Table: 1936
AfriNIC Prefixes per ASN: 26.35
AfriNIC Region origin ASes announcing only one prefix: 655
AfriNIC Region transit ASes present in the Internet Routing Table: 367
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: 1303
Number of AfriNIC addresses announced to Internet: 104739328
Equivalent to 6 /8s, 62 /16s and 50 /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 11838 8761 117 CHINAMOBILE-CN China Mobile Communication
7545 6146 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4963 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4508 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4466 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3926 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 13712 40962 5271 AMAZON-02, US
174 5389 8769 850 COGENT-174, US
11492 4788 317 606 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3341 3032 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3225 54767 2476 DNIC-AS-00749, US
396982 3195 3854 432 GOOGLE-CLOUD-PLATFORM, US
16625 3099 1308 2240 AKAMAI-AS, US
4155 2859 217 1725 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 7647 1713 150 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4101 3396 140 AKAMAI-ASN1, NL
9009 3802 362 2123 M247, RO
12389 3122 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2454 364 578 TELLCOM-AS, TR
212238 2334 166 1704 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 12371 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 1611 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 1168 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1051 70 389 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 1676 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 1206 1477 336 ETISALAT-MISR, EG
36935 821 520 39 Vodafone-, EG
37069 710 1112 11 MOBINIL, EG
24863 658 389 22 LINKdotNET-AS, EG
36914 572 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 13712 40962 5271 AMAZON-02, US
8151 12371 3255 575 UNINET, MX
9808 11838 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9766 1298 1046 TTNET, TR
12479 7647 1713 150 UNI2-AS, ES
7545 6146 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5389 8769 850 COGENT-174, US
4538 4963 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 12371 11796 UNINET, MX
9808 11838 11721 CHINAMOBILE-CN China Mobile Communications Grou
47331 9766 8720 TTNET, TR
12479 7647 7497 UNI2-AS, ES
7545 6146 5524 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4963 4886 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5389 4539 COGENT-174, US
18403 4508 4483 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 /14:1219 /15:2173 /16:13873 /17:8412 /18:13994
/19:25250 /20:45783 /21:54481 /22:115125 /23:111300 /24:643974
/25:405 /26:581 /27:1043 /28:72 /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 6581 7647 UNI2-AS, ES
8151 6564 12371 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 2493 3341 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2349 13712 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 3:854 4:25 5:5058 6:163
7:6 8:1626 9:1 11:172 12:1341 13:462
14:2605 15:368 16:285 17:378 18:898 20:567
21:4 22:188 23:7813 24:2833 25:2 27:2868
29:19 31:3409 32:50 33:1 34:84 35:262
36:3544 37:4702 38:10699 39:911 40:253 41:4624
42:2002 43:2724 44:378 45:20147 46:5184 47:339
49:1937 50:1958 51:591 52:1587 54:324 55:1108
56:11 57:282 58:2284 59:1405 60:1176 61:2963
62:3038 63:1819 64:5591 65:2191 66:4823 67:3159
68:1116 69:4041 70:1070 71:634 72:2962 74:2821
75:1524 76:612 77:2862 78:4372 79:1738 80:2236
81:2258 82:3249 83:1488 84:1907 85:4433 86:1091
87:2417 88:3579 89:4592 90:776 91:8545 92:2773
93:2971 94:4180 95:5691 96:1505 97:315 98:959
99:700 100:72 101:1448 102:4477 103:32533 104:5294
105:2200 106:976 107:2654 108:1275 109:4221 110:2247
111:3354 112:2241 113:1880 114:1973 115:2283 116:2134
117:2568 118:3004 119:1988 120:2163 121:1399 122:2813
123:2463 124:1753 125:2934 126:91 128:1641 129:1000
130:1335 131:2191 132:882 133:450 134:1592 135:436
136:1442 137:1202 138:3202 139:1586 140:1647 141:1526
142:1957 143:2086 144:1202 145:565 146:2201 147:2108
148:2710 149:3007 150:1237 151:2228 152:2106 153:591
154:7916 155:1851 156:3076 157:1962 158:1347 159:2522
160:3759 161:1908 162:3913 163:2256 164:1922 165:2142
166:1515 167:2054 168:4303 169:808 170:5596 171:1005
172:4454 173:3415 174:920 175:1324 176:3855 177:6009
178:4146 179:2774 180:2676 181:4313 182:3497 183:2250
184:2130 185:21877 186:5922 187:5139 188:4399 189:4722
190:9978 191:1720 192:11390 193:9536 194:7877 195:5751
196:3671 197:3851 198:6308 199:8633 200:8785 201:6630
202:10856 203:10778 204:4640 205:3703 206:4578 207:3650
208:4304 209:5249 210:4939 211:2696 212:4774 213:3932
214:1023 215:46 216:6867 217:3233 218:1425 219:574
220:2143 221:1188 222:845 223:2660
End of report
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