[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jul 8 22:45:19 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 08 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: 1037226
Prefixes after maximum aggregation (per Origin AS): 385712
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 485334
Total ASes present in the Internet Routing Table: 77106
Prefixes per ASN: 13.45
Origin-only ASes present in the Internet Routing Table: 66341
Origin ASes announcing only one prefix: 26298
Transit ASes present in the Internet Routing Table: 10765
Transit-only ASes present in the Internet Routing Table: 548
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: 1143
Number of instances of unregistered ASNs: 1184
Number of 32-bit ASNs allocated by the RIRs: 46788
Number of 32-bit ASNs visible in the Routing Table: 38561
Prefixes from 32-bit ASNs in the Routing Table: 216833
Number of bogon 32-bit ASNs visible in the Routing Table: 154
Special use prefixes present in the Routing Table: 54
Prefixes being announced from unallocated address space: 472
Number of addresses announced to Internet: 3106508551
Equivalent to 185 /8s, 41 /16s and 143 /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: 350252
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 269627
Total APNIC prefixes after maximum aggregation: 78219
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 260277
Unique aggregates announced from the APNIC address blocks: 104896
APNIC Region origin ASes present in the Internet Routing Table: 14727
APNIC Prefixes per ASN: 17.67
APNIC Region origin ASes announcing only one prefix: 4465
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: 77
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10234
Number of APNIC addresses announced to Internet: 750097473
Equivalent to 44 /8s, 181 /16s and 148 /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: 298363
Total ARIN prefixes after maximum aggregation: 133178
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299530
Unique aggregates announced from the ARIN address blocks: 140368
ARIN Region origin ASes present in the Internet Routing Table: 19257
ARIN Prefixes per ASN: 15.55
ARIN Region origin ASes announcing only one prefix: 7015
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: 5251
Number of ARIN addresses announced to Internet: 1349609216
Equivalent to 80 /8s, 113 /16s and 103 /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: 293169
Total RIPE prefixes after maximum aggregation: 136922
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 291786
Unique aggregates announced from the RIPE address blocks: 176902
RIPE Region origin ASes present in the Internet Routing Table: 28994
RIPE Prefixes per ASN: 10.06
RIPE Region origin ASes announcing only one prefix: 12002
RIPE Region transit ASes present in the Internet Routing Table: 3870
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: 12548
Number of RIPE addresses announced to Internet: 731495526
Equivalent to 43 /8s, 153 /16s and 188 /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: 138918
Total LACNIC prefixes after maximum aggregation: 29852
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135462
Unique aggregates announced from the LACNIC address blocks: 48975
LACNIC Region origin ASes present in the Internet Routing Table: 11277
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: 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: 9229
Number of LACNIC addresses announced to Internet: 171263840
Equivalent to 10 /8s, 53 /16s and 71 /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: 36006
Total AfriNIC prefixes after maximum aggregation: 6799
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 49698
Unique aggregates announced from the AfriNIC address blocks: 13762
AfriNIC Region origin ASes present in the Internet Routing Table: 1931
AfriNIC Prefixes per ASN: 25.74
AfriNIC Region origin ASes announcing only one prefix: 652
AfriNIC Region transit ASes present in the Internet Routing Table: 363
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: 1299
Number of AfriNIC addresses announced to Internet: 103791616
Equivalent to 6 /8s, 47 /16s and 188 /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 11800 8759 115 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
9498 4461 535 312 BBIL-AP BHARTI Airtel Ltd., IN
18403 4459 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3925 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3722 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3312 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2903 862 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2586 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 13554 40955 5229 AMAZON-02, US
174 5406 8771 865 COGENT-174, US
11492 4787 317 605 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3342 3034 168 ASN-CXA-ALL-CCI-22773-RDC, US
749 3226 54767 2477 DNIC-AS-00749, US
396982 3194 3854 431 GOOGLE-CLOUD-PLATFORM, US
16625 3128 1314 2257 AKAMAI-AS, US
4155 2840 216 1735 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 7666 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4091 3396 140 AKAMAI-ASN1, NL
9009 3892 367 2125 M247, RO
12389 3125 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2454 364 578 TELLCOM-AS, TR
212238 2353 168 1721 CDNEXT, GB
8452 1848 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 12347 3255 576 UNINET, MX
10620 3508 481 1019 Telmex Colombia S.A., CO
13999 2542 538 355 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 1196 371 22 Telefonica del Peru S.A.A., PE
11664 1166 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1061 70 372 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
36935 772 522 44 Vodafone-, EG
36992 735 1405 195 ETISALAT-MISR, EG
24835 694 633 33 RAYA-AS, EG
37069 603 882 20 MOBINIL, EG
36914 575 82 3 KENET-AS, KE
3741 563 661 320 IS, ZA
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 13554 40955 5229 AMAZON-02, US
8151 12347 3255 576 UNINET, MX
9808 11800 8759 115 CHINAMOBILE-CN China Mobile Communication
47331 9764 1298 1046 TTNET, TR
12479 7666 1713 148 UNI2-AS, ES
7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5406 8771 865 COGENT-174, US
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4787 317 605 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 12347 11771 UNINET, MX
9808 11800 11685 CHINAMOBILE-CN China Mobile Communications Grou
47331 9764 8718 TTNET, TR
12479 7666 7518 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 5406 4541 COGENT-174, US
18403 4459 4434 FPT-AS-AP FPT Telecom Company, VN
11492 4787 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
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
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
23.147.240.0/24 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 /12:297
/13:580 /14:1212 /15:2181 /16:13879 /17:8425 /18:13959
/19:25228 /20:45483 /21:54367 /22:114136 /23:111087 /24:643141
/25:407 /26:581 /27:1041 /28:69 /29:104 /30:18
/31:3 /32:864
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8842 9764 TTNET, TR
12479 6590 7666 UNI2-AS, ES
8151 6539 12347 UNINET, MX
11492 3581 4787 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3637 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2493 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2322 13554 AMAZON-02, US
30036 2266 2607 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2444 2:1536 3:820 4:25 5:5061 6:162
7:6 8:1629 9:1 11:172 12:1347 13:451
14:2602 15:365 16:285 17:382 18:895 20:566
21:4 22:188 23:7797 24:2829 25:2 27:2846
29:19 31:3406 32:50 33:1 34:84 35:262
36:3505 37:4706 38:10691 39:911 40:236 41:4486
42:1953 43:2710 44:378 45:20143 46:5172 47:335
49:1937 50:1904 51:588 52:1582 54:320 55:1102
56:11 57:281 58:2284 59:1450 60:1174 61:3056
62:2991 63:1820 64:5582 65:2199 66:4811 67:3147
68:1113 69:4032 70:1065 71:631 72:2957 74:2825
75:1524 76:611 77:2861 78:4371 79:1745 80:2231
81:2256 82:3224 83:1486 84:1847 85:4435 86:1091
87:2423 88:3579 89:4586 90:779 91:8544 92:2766
93:2962 94:4157 95:5677 96:1506 97:314 98:962
99:693 100:72 101:1449 102:4471 103:32527 104:5250
105:2224 106:976 107:2655 108:1270 109:4230 110:2253
111:3322 112:2239 113:1879 114:1983 115:2236 116:2127
117:2557 118:3008 119:1980 120:2158 121:1398 122:2818
123:2582 124:1737 125:2935 126:91 128:1631 129:998
130:1333 131:2214 132:894 133:450 134:1587 135:435
136:1395 137:1196 138:3190 139:1591 140:1638 141:1507
142:1941 143:2082 144:1179 145:564 146:2202 147:2111
148:2721 149:3000 150:1236 151:2213 152:2098 153:589
154:8113 155:1795 156:3265 157:1960 158:1347 159:2516
160:3747 161:1905 162:3903 163:2253 164:1922 165:2118
166:1506 167:2043 168:4311 169:813 170:5586 171:1007
172:4474 173:3387 174:922 175:1319 176:3843 177:5997
178:4122 179:2742 180:2669 181:4327 182:3494 183:2232
184:2132 185:21859 186:5892 187:5123 188:4386 189:4710
190:10022 191:1705 192:11367 193:9539 194:7877 195:5734
196:3648 197:3832 198:6294 199:8601 200:8801 201:6630
202:10829 203:10789 204:4628 205:3706 206:4560 207:3651
208:4301 209:5245 210:4938 211:2668 212:4779 213:3913
214:1024 215:46 216:6865 217:3224 218:1422 219:573
220:2144 221:1179 222:846 223:2644
End of report
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