[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 21 22:47:14 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Mon 21 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: 1042307
Prefixes after maximum aggregation (per Origin AS): 386858
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 213072
Total ASes present in the Internet Routing Table: 77159
Prefixes per ASN: 13.51
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: 10781
Transit-only ASes present in the Internet Routing Table: 544
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: 1189
Number of instances of unregistered ASNs: 1228
Number of 32-bit ASNs allocated by the RIRs: 46911
Number of 32-bit ASNs visible in the Routing Table: 38665
Prefixes from 32-bit ASNs in the Routing Table: 217787
Number of bogon 32-bit ASNs visible in the Routing Table: 120
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 433
Number of addresses announced to Internet: 3978635930
Equivalent to 237 /8s, 37 /16s and 42 /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: 351269
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 270363
Total APNIC prefixes after maximum aggregation: 78359
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 261157
Unique aggregates announced from the APNIC address blocks: 67872
APNIC Region origin ASes present in the Internet Routing Table: 14758
APNIC Prefixes per ASN: 17.70
APNIC Region origin ASes announcing only one prefix: 4509
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: 10276
Number of APNIC addresses announced to Internet: 465207816
Equivalent to 27 /8s, 186 /16s and 130 /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: 299168
Total ARIN prefixes after maximum aggregation: 133515
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300437
Unique aggregates announced from the ARIN address blocks: 50764
ARIN Region origin ASes present in the Internet Routing Table: 19254
ARIN Prefixes per ASN: 15.60
ARIN Region origin ASes announcing only one prefix: 7020
ARIN Region transit ASes present in the Internet Routing Table: 1924
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: 5263
Number of ARIN addresses announced to Internet: 855956992
Equivalent to 51 /8s, 4 /16s and 222 /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: 293418
Total RIPE prefixes after maximum aggregation: 137318
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 292167
Unique aggregates announced from the RIPE address blocks: 81552
RIPE Region origin ASes present in the Internet Routing Table: 29006
RIPE Prefixes per ASN: 10.07
RIPE Region origin ASes announcing only one prefix: 12013
RIPE Region transit ASes present in the Internet Routing Table: 3885
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12595
Number of RIPE addresses announced to Internet: -1688978798
Equivalent to 155 /8s, 84 /16s and 58 /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: 139181
Total LACNIC prefixes after maximum aggregation: 29912
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135681
Unique aggregates announced from the LACNIC address blocks: 6106
LACNIC Region origin ASes present in the Internet Routing Table: 11268
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2151
LACNIC Region transit ASes present in the Internet Routing Table: 2482
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: 9224
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: 38988
Total AfriNIC prefixes after maximum aggregation: 6983
AfriNIC Deaggregation factor: 5.58
Prefixes being announced from the AfriNIC address blocks: 52431
Unique aggregates announced from the AfriNIC address blocks: 6596
AfriNIC Region origin ASes present in the Internet Routing Table: 1941
AfriNIC Prefixes per ASN: 27.01
AfriNIC Region origin ASes announcing only one prefix: 652
AfriNIC Region transit ASes present in the Internet Routing Table: 368
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: 1307
Number of AfriNIC addresses announced to Internet: 47776768
Equivalent to 2 /8s, 217 /16s and 4 /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 11880 8761 117 CHINAMOBILE-CN China Mobile Communication
7545 6162 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4953 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4534 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 3721 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3314 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2909 863 522 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2742 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 13703 40975 5290 AMAZON-02, US
174 5374 8771 862 COGENT-174, US
11492 4813 319 611 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3342 3032 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3222 54766 2473 DNIC-AS-00749, US
396982 3197 3856 433 GOOGLE-CLOUD-PLATFORM, US
16625 3097 1308 2236 AKAMAI-AS, US
4155 2872 218 1739 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 9772 1301 1045 TTNET, TR
12479 7607 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4089 3396 140 AKAMAI-ASN1, NL
9009 3809 362 2124 M247, RO
12389 3127 2317 874 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2404 361 579 TELLCOM-AS, TR
212238 2323 164 1691 CDNEXT, GB
8452 1866 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 3259 575 UNINET, MX
10620 3484 474 1027 Telmex Colombia S.A., CO
13999 2529 511 349 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1613 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1196 371 22 Telefonica del Peru S.A.A., PE
11664 1182 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 1722 660 28 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1299 1488 355 ETISALAT-MISR, EG
20011 1298 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
24863 1229 389 22 LINKdotNET-AS, EG
37069 1101 1112 11 MOBINIL, EG
36935 824 520 42 Vodafone-, EG
36914 577 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 13703 40975 5290 AMAZON-02, US
8151 12390 3259 575 UNINET, MX
9808 11880 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9772 1301 1045 TTNET, TR
12479 7607 1712 148 UNI2-AS, ES
7545 6162 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5374 8771 862 COGENT-174, US
4538 4953 4194 78 ERX-CERNET-BKB China Education and Resear
11492 4813 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 11880 11763 CHINAMOBILE-CN China Mobile Communications Grou
47331 9772 8727 TTNET, TR
12479 7607 7459 UNI2-AS, ES
7545 6162 5540 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4953 4875 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5374 4512 COGENT-174, US
18403 4534 4509 FPT-AS-AP FPT Telecom Company, VN
11492 4813 4202 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
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 /14:1220 /15:2184 /16:13902 /17:8446 /18:14011
/19:25337 /20:46168 /21:54555 /22:115525 /23:111458 /24:645371
/25:408 /26:581 /27:1047 /28:73 /29:97 /30:16
/31:1 /32:862
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8844 9772 TTNET, TR
8151 6574 12390 UNINET, MX
12479 6551 7607 UNI2-AS, ES
11492 3606 4813 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3637 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2494 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2356 13703 AMAZON-02, US
30036 2272 2613 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 2:1534 3:854 4:25 5:5071 6:163
7:6 8:1623 9:1 11:172 12:1340 13:465
14:2611 15:367 16:286 17:379 18:898 20:569
21:4 22:188 23:7833 24:2832 25:2 27:2865
29:19 31:3425 32:50 33:1 34:84 35:263
36:3645 37:4693 38:10740 39:914 40:252 41:4706
42:2031 43:2740 44:380 45:20260 46:5171 47:340
49:1940 50:1955 51:591 52:1583 54:324 55:1108
56:11 57:283 58:2279 59:1403 60:1174 61:2967
62:3052 63:1822 64:5589 65:2190 66:4817 67:3163
68:1112 69:4050 70:1069 71:634 72:2964 74:2831
75:1523 76:613 77:2859 78:4371 79:1718 80:2235
81:2240 82:3229 83:1487 84:1912 85:4444 86:1094
87:2410 88:3571 89:4602 90:782 91:8541 92:2723
93:2973 94:4141 95:5687 96:1502 97:315 98:958
99:695 100:71 101:1448 102:4500 103:32500 104:5237
105:2223 106:971 107:2657 108:1277 109:4257 110:2247
111:3380 112:2262 113:1881 114:1971 115:2283 116:2130
117:2586 118:3002 119:1984 120:2189 121:1400 122:2819
123:2430 124:1767 125:2934 126:91 128:1646 129:1001
130:1344 131:2220 132:885 133:450 134:1652 135:409
136:1448 137:1201 138:3200 139:1585 140:1698 141:1510
142:1955 143:2134 144:1201 145:569 146:2194 147:2112
148:2722 149:2996 150:1279 151:2236 152:2101 153:591
154:7985 155:1869 156:3152 157:1965 158:1357 159:2517
160:3762 161:1946 162:3880 163:2278 164:1928 165:2399
166:1528 167:2056 168:4309 169:815 170:5582 171:1010
172:4276 173:3423 174:920 175:1330 176:3874 177:6021
178:4140 179:2751 180:2668 181:4353 182:3510 183:2256
184:2123 185:21913 186:5924 187:5184 188:4407 189:4720
190:10025 191:1735 192:11411 193:9557 194:7888 195:5769
196:3679 197:3886 198:6263 199:8649 200:8813 201:6628
202:10862 203:10818 204:4700 205:3694 206:4579 207:3670
208:4309 209:5281 210:4957 211:2700 212:4730 213:3919
214:1025 215:46 216:6821 217:3261 218:1427 219:574
220:2149 221:1194 222:876 223:2724
End of report
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