[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 15 22:46:56 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 15 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: 1040330
Prefixes after maximum aggregation (per Origin AS): 386640
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 213050
Total ASes present in the Internet Routing Table: 77136
Prefixes per ASN: 13.49
Origin-only ASes present in the Internet Routing Table: 66365
Origin ASes announcing only one prefix: 26317
Transit ASes present in the Internet Routing Table: 10771
Transit-only ASes present in the Internet Routing Table: 559
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: 46832
Number of 32-bit ASNs visible in the Routing Table: 38625
Prefixes from 32-bit ASNs in the Routing Table: 217399
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: 530
Number of addresses announced to Internet: 3978191764
Equivalent to 237 /8s, 30 /16s and 99 /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: 351068
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 270090
Total APNIC prefixes after maximum aggregation: 78413
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 260842
Unique aggregates announced from the APNIC address blocks: 67882
APNIC Region origin ASes present in the Internet Routing Table: 14742
APNIC Prefixes per ASN: 17.69
APNIC Region origin ASes announcing only one prefix: 4492
APNIC Region transit ASes present in the Internet Routing Table: 1957
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: 10261
Number of APNIC addresses announced to Internet: 465265153
Equivalent to 27 /8s, 187 /16s and 98 /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: 298497
Total ARIN prefixes after maximum aggregation: 133406
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300058
Unique aggregates announced from the ARIN address blocks: 50775
ARIN Region origin ASes present in the Internet Routing Table: 19229
ARIN Prefixes per ASN: 15.60
ARIN Region origin ASes announcing only one prefix: 7011
ARIN Region transit ASes present in the Internet Routing Table: 1917
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: 5254
Number of ARIN addresses announced to Internet: 856206080
Equivalent to 51 /8s, 8 /16s and 171 /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: 293652
Total RIPE prefixes after maximum aggregation: 137190
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 292194
Unique aggregates announced from the RIPE address blocks: 81487
RIPE Region origin ASes present in the Internet Routing Table: 29017
RIPE Prefixes per ASN: 10.07
RIPE Region origin ASes announcing only one prefix: 12019
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: 12581
Number of RIPE addresses announced to Internet: -1689362029
Equivalent to 155 /8s, 78 /16s and 97 /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: 139132
Total LACNIC prefixes after maximum aggregation: 29912
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135640
Unique aggregates announced from the LACNIC address blocks: 6114
LACNIC Region origin ASes present in the Internet Routing Table: 11272
LACNIC Prefixes per ASN: 12.03
LACNIC Region origin ASes announcing only one prefix: 2147
LACNIC Region transit ASes present in the Internet Routing Table: 2492
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: 9232
Number of LACNIC addresses announced to Internet: 3615232
Equivalent to 0 /8s, 55 /16s and 42 /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: 37755
Total AfriNIC prefixes after maximum aggregation: 6932
AfriNIC Deaggregation factor: 5.45
Prefixes being announced from the AfriNIC address blocks: 51065
Unique aggregates announced from the AfriNIC address blocks: 6553
AfriNIC Region origin ASes present in the Internet Routing Table: 1929
AfriNIC Prefixes per ASN: 26.47
AfriNIC Region origin ASes announcing only one prefix: 648
AfriNIC Region transit ASes present in the Internet Routing Table: 365
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: 1297
Number of AfriNIC addresses announced to Internet: 47396608
Equivalent to 2 /8s, 211 /16s and 55 /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 11874 8761 117 CHINAMOBILE-CN China Mobile Communication
7545 6146 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4964 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4499 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4466 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3924 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3720 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 13678 40961 5270 AMAZON-02, US
174 5391 8770 856 COGENT-174, US
11492 4789 317 607 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 3225 54767 2476 DNIC-AS-00749, US
396982 3193 3854 430 GOOGLE-CLOUD-PLATFORM, US
16625 3100 1308 2241 AKAMAI-AS, US
4155 2860 217 1733 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 7637 1713 150 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4110 3396 140 AKAMAI-ASN1, NL
9009 3794 359 2111 M247, RO
12389 3122 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2454 364 578 TELLCOM-AS, TR
212238 2327 166 1697 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 12381 3255 575 UNINET, MX
10620 3513 481 1023 Telmex Colombia S.A., CO
13999 2526 511 349 Mega Cable, S.A. de C.V., MX
11830 1985 369 64 Instituto Costarricense de Electricidad y
28573 1611 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 786 204 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1196 371 22 Telefonica del Peru S.A.A., PE
11664 1172 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1067 71 382 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 1688 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 1211 1477 333 ETISALAT-MISR, EG
36935 824 520 42 Vodafone-, EG
37069 710 1112 11 MOBINIL, EG
24863 668 389 22 LINKdotNET-AS, EG
36914 570 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 13678 40961 5270 AMAZON-02, US
8151 12381 3255 575 UNINET, MX
9808 11874 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9766 1298 1046 TTNET, TR
12479 7637 1713 150 UNI2-AS, ES
7545 6146 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5391 8770 856 COGENT-174, US
4538 4964 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4789 317 607 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 12381 11806 UNINET, MX
9808 11874 11757 CHINAMOBILE-CN China Mobile Communications Grou
47331 9766 8720 TTNET, TR
12479 7637 7487 UNI2-AS, ES
7545 6146 5524 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 5391 4535 COGENT-174, US
18403 4499 4474 FPT-AS-AP FPT Telecom Company, VN
11492 4789 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: 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 /15:2173 /16:13874 /17:8408 /18:14005
/19:25263 /20:45787 /21:54515 /22:115130 /23:111375 /24:644455
/25:404 /26:581 /27:1042 /28:72 /29:99 /30:16
/31:1 /32:866
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8844 9766 TTNET, TR
8151 6573 12381 UNINET, MX
12479 6572 7637 UNI2-AS, ES
11492 3583 4789 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 2339 13678 AMAZON-02, US
30036 2268 2609 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2446 2:1535 3:852 4:25 5:5058 6:163
7:6 8:1627 9:1 11:172 12:1343 13:460
14:2605 15:370 16:286 17:384 18:894 20:567
21:4 22:188 23:7808 24:2833 25:2 27:2872
29:19 31:3421 32:50 33:1 34:84 35:262
36:3546 37:4697 38:10694 39:912 40:253 41:4639
42:1996 43:2728 44:376 45:20196 46:5180 47:341
49:1938 50:1956 51:591 52:1585 54:324 55:1109
56:11 57:281 58:2285 59:1406 60:1174 61:2963
62:3034 63:1819 64:5590 65:2192 66:4832 67:3156
68:1115 69:4046 70:1072 71:634 72:2962 74:2827
75:1524 76:611 77:2864 78:4374 79:1734 80:2239
81:2260 82:3254 83:1490 84:1911 85:4436 86:1092
87:2418 88:3580 89:4600 90:779 91:8548 92:2774
93:2970 94:4184 95:5700 96:1505 97:314 98:958
99:700 100:72 101:1446 102:4477 103:32550 104:5308
105:2203 106:969 107:2650 108:1272 109:4225 110:2249
111:3355 112:2242 113:1878 114:1974 115:2285 116:2134
117:2580 118:3004 119:1995 120:2164 121:1399 122:2816
123:2460 124:1758 125:2934 126:91 128:1641 129:999
130:1333 131:2209 132:885 133:450 134:1589 135:436
136:1441 137:1202 138:3171 139:1584 140:1700 141:1527
142:1955 143:2120 144:1203 145:565 146:2201 147:2109
148:2714 149:2999 150:1239 151:2228 152:2106 153:591
154:7927 155:1851 156:3102 157:1965 158:1347 159:2516
160:3760 161:1912 162:3889 163:2261 164:1923 165:2158
166:1526 167:2055 168:4307 169:809 170:5589 171:1008
172:4451 173:3413 174:920 175:1324 176:3855 177:6013
178:4148 179:2770 180:2682 181:4337 182:3499 183:2247
184:2129 185:21886 186:5930 187:5151 188:4394 189:4724
190:10011 191:1720 192:11396 193:9537 194:7893 195:5771
196:3670 197:3847 198:6299 199:8629 200:8837 201:6612
202:10891 203:10789 204:4639 205:3691 206:4579 207:3644
208:4297 209:5259 210:4953 211:2696 212:4771 213:3941
214:1023 215:46 216:6832 217:3240 218:1426 219:574
220:2144 221:1188 222:844 223:2684
End of report
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