[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 9 22:45:15 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 09 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: 1037540
Prefixes after maximum aggregation (per Origin AS): 385958
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 485582
Total ASes present in the Internet Routing Table: 77111
Prefixes per ASN: 13.46
Origin-only ASes present in the Internet Routing Table: 66357
Origin ASes announcing only one prefix: 26294
Transit ASes present in the Internet Routing Table: 10754
Transit-only ASes present in the Internet Routing Table: 541
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: 1206
Number of instances of unregistered ASNs: 1247
Number of 32-bit ASNs allocated by the RIRs: 46764
Number of 32-bit ASNs visible in the Routing Table: 38581
Prefixes from 32-bit ASNs in the Routing Table: 216761
Number of bogon 32-bit ASNs visible in the Routing Table: 157
Special use prefixes present in the Routing Table: 54
Prefixes being announced from unallocated address space: 512
Number of addresses announced to Internet: 3107468807
Equivalent to 185 /8s, 56 /16s and 54 /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: 350613
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 269341
Total APNIC prefixes after maximum aggregation: 78234
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 260114
Unique aggregates announced from the APNIC address blocks: 104933
APNIC Region origin ASes present in the Internet Routing Table: 14742
APNIC Prefixes per ASN: 17.64
APNIC Region origin ASes announcing only one prefix: 4474
APNIC Region transit ASes present in the Internet Routing Table: 1952
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: 10245
Number of APNIC addresses announced to Internet: 750275649
Equivalent to 44 /8s, 184 /16s and 76 /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: 298421
Total ARIN prefixes after maximum aggregation: 133228
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299780
Unique aggregates announced from the ARIN address blocks: 140410
ARIN Region origin ASes present in the Internet Routing Table: 19235
ARIN Prefixes per ASN: 15.59
ARIN Region origin ASes announcing only one prefix: 7000
ARIN Region transit ASes present in the Internet Routing Table: 1919
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: 1349436672
Equivalent to 80 /8s, 110 /16s and 197 /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: 293386
Total RIPE prefixes after maximum aggregation: 137010
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 291921
Unique aggregates announced from the RIPE address blocks: 176974
RIPE Region origin ASes present in the Internet Routing Table: 28993
RIPE Prefixes per ASN: 10.07
RIPE Region origin ASes announcing only one prefix: 12003
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: 12557
Number of RIPE addresses announced to Internet: 731473510
Equivalent to 43 /8s, 153 /16s and 102 /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: 139065
Total LACNIC prefixes after maximum aggregation: 29860
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 135599
Unique aggregates announced from the LACNIC address blocks: 48992
LACNIC Region origin ASes present in the Internet Routing Table: 11280
LACNIC Prefixes per ASN: 12.02
LACNIC Region origin ASes announcing only one prefix: 2165
LACNIC Region transit ASes present in the Internet Routing Table: 2488
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: 9231
Number of LACNIC addresses announced to Internet: 171266144
Equivalent to 10 /8s, 53 /16s and 80 /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: 36121
Total AfriNIC prefixes after maximum aggregation: 6838
AfriNIC Deaggregation factor: 5.28
Prefixes being announced from the AfriNIC address blocks: 49613
Unique aggregates announced from the AfriNIC address blocks: 13808
AfriNIC Region origin ASes present in the Internet Routing Table: 1930
AfriNIC Prefixes per ASN: 25.71
AfriNIC Region origin ASes announcing only one prefix: 652
AfriNIC Region transit ASes present in the Internet Routing Table: 364
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: 1297
Number of AfriNIC addresses announced to Internet: 104748288
Equivalent to 6 /8s, 62 /16s and 85 /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 11819 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
18403 4463 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4461 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3925 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3722 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3311 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2906 863 521 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 13668 40962 5263 AMAZON-02, US
174 5409 8771 864 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 3225 54767 2476 DNIC-AS-00749, US
396982 3194 3854 431 GOOGLE-CLOUD-PLATFORM, US
16625 3133 1317 2259 AKAMAI-AS, US
4155 2841 216 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 9764 1298 1046 TTNET, TR
12479 7665 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4096 3396 140 AKAMAI-ASN1, NL
9009 3887 367 2120 M247, RO
12389 3125 2305 882 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2454 364 578 TELLCOM-AS, TR
212238 2353 168 1721 CDNEXT, GB
8452 1843 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 12358 3255 576 UNINET, MX
10620 3508 481 1019 Telmex Colombia S.A., CO
13999 2532 538 353 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 1195 371 22 Telefonica del Peru S.A.A., PE
11664 1166 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1064 71 374 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
36992 778 1409 237 ETISALAT-MISR, EG
36935 773 522 44 Vodafone-, EG
24835 713 633 33 RAYA-AS, EG
37069 609 1112 11 MOBINIL, EG
36914 577 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 13668 40962 5263 AMAZON-02, US
8151 12358 3255 576 UNINET, MX
9808 11819 8759 115 CHINAMOBILE-CN China Mobile Communication
47331 9764 1298 1046 TTNET, TR
12479 7665 1713 148 UNI2-AS, ES
7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5409 8771 864 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 12358 11782 UNINET, MX
9808 11819 11704 CHINAMOBILE-CN China Mobile Communications Grou
47331 9764 8718 TTNET, TR
12479 7665 7517 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 5409 4545 COGENT-174, US
18403 4463 4438 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
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 /16:13878 /17:8431 /18:13953
/19:25230 /20:45493 /21:54371 /22:114211 /23:111206 /24:643260
/25:404 /26:578 /27:1042 /28:69 /29:100 /30:16
/31:1 /32:860
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8842 9764 TTNET, TR
12479 6589 7665 UNI2-AS, ES
8151 6550 12358 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 2344 13668 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)
----------------------------------------------
1:2448 2:1537 3:843 4:25 5:5082 6:162
7:6 8:1631 9:1 11:172 12:1346 13:452
14:2603 15:366 16:285 17:379 18:899 20:567
21:4 22:188 23:7798 24:2828 25:2 27:2853
29:19 31:3405 32:50 33:1 34:84 35:262
36:3519 37:4714 38:10700 39:911 40:236 41:4529
42:1962 43:2708 44:379 45:20134 46:5175 47:337
49:1937 50:1905 51:591 52:1587 54:321 55:1098
56:11 57:282 58:2284 59:1405 60:1174 61:2963
62:3010 63:1823 64:5584 65:2198 66:4816 67:3163
68:1115 69:4036 70:1072 71:634 72:2963 74:2828
75:1524 76:612 77:2861 78:4373 79:1743 80:2231
81:2259 82:3227 83:1497 84:1866 85:4434 86:1093
87:2420 88:3579 89:4599 90:778 91:8543 92:2769
93:2969 94:4184 95:5666 96:1502 97:314 98:962
99:696 100:72 101:1448 102:4466 103:32535 104:5256
105:2224 106:977 107:2651 108:1275 109:4230 110:2249
111:3320 112:2235 113:1881 114:1984 115:2238 116:2127
117:2557 118:3005 119:1982 120:2153 121:1398 122:2815
123:2445 124:1752 125:2936 126:91 128:1632 129:999
130:1337 131:2213 132:894 133:450 134:1586 135:435
136:1434 137:1200 138:3200 139:1589 140:1642 141:1518
142:1939 143:2086 144:1180 145:561 146:2199 147:2111
148:2712 149:3002 150:1236 151:2214 152:2098 153:591
154:8047 155:1791 156:3167 157:1960 158:1351 159:2518
160:3752 161:1906 162:3897 163:2259 164:1923 165:2125
166:1507 167:2047 168:4307 169:813 170:5586 171:1007
172:4469 173:3389 174:922 175:1321 176:3845 177:6004
178:4142 179:2757 180:2672 181:4332 182:3495 183:2233
184:2130 185:21850 186:5932 187:5152 188:4390 189:4709
190:10018 191:1718 192:11364 193:9534 194:7883 195:5738
196:3654 197:3836 198:6302 199:8604 200:8797 201:6639
202:10837 203:10788 204:4627 205:3705 206:4578 207:3650
208:4304 209:5251 210:4936 211:2669 212:4777 213:3915
214:1024 215:46 216:6863 217:3223 218:1422 219:574
220:2145 221:1179 222:846 223:2644
End of report
More information about the ren-bgp-stats-all
mailing list