[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 29 22:46:40 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 29 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: 1043625
Prefixes after maximum aggregation (per Origin AS): 388610
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 213643
Total ASes present in the Internet Routing Table: 77232
Prefixes per ASN: 13.51
Origin-only ASes present in the Internet Routing Table: 66444
Origin ASes announcing only one prefix: 26360
Transit ASes present in the Internet Routing Table: 10788
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: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1203
Number of instances of unregistered ASNs: 1247
Number of 32-bit ASNs allocated by the RIRs: 46966
Number of 32-bit ASNs visible in the Routing Table: 38739
Prefixes from 32-bit ASNs in the Routing Table: 218759
Number of bogon 32-bit ASNs visible in the Routing Table: 128
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 471
Number of addresses announced to Internet: 3978684826
Equivalent to 237 /8s, 37 /16s and 233 /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: 351476
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 271344
Total APNIC prefixes after maximum aggregation: 78570
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 262136
Unique aggregates announced from the APNIC address blocks: 67852
APNIC Region origin ASes present in the Internet Routing Table: 14758
APNIC Prefixes per ASN: 17.76
APNIC Region origin ASes announcing only one prefix: 4492
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: 10284
Number of APNIC addresses announced to Internet: 465176840
Equivalent to 27 /8s, 186 /16s and 9 /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: 299058
Total ARIN prefixes after maximum aggregation: 133618
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300352
Unique aggregates announced from the ARIN address blocks: 51043
ARIN Region origin ASes present in the Internet Routing Table: 19270
ARIN Prefixes per ASN: 15.59
ARIN Region origin ASes announcing only one prefix: 7026
ARIN Region transit ASes present in the Internet Routing Table: 1925
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: 5272
Number of ARIN addresses announced to Internet: 855933440
Equivalent to 51 /8s, 4 /16s and 130 /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: 293236
Total RIPE prefixes after maximum aggregation: 138684
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 292028
Unique aggregates announced from the RIPE address blocks: 81867
RIPE Region origin ASes present in the Internet Routing Table: 29033
RIPE Prefixes per ASN: 10.06
RIPE Region origin ASes announcing only one prefix: 12025
RIPE Region transit ASes present in the Internet Routing Table: 3889
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12626
Number of RIPE addresses announced to Internet: -1688890478
Equivalent to 155 /8s, 85 /16s and 147 /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: 139631
Total LACNIC prefixes after maximum aggregation: 29957
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 136077
Unique aggregates announced from the LACNIC address blocks: 6111
LACNIC Region origin ASes present in the Internet Routing Table: 11280
LACNIC Prefixes per ASN: 12.06
LACNIC Region origin ASes announcing only one prefix: 2158
LACNIC Region transit ASes present in the Internet Routing Table: 2487
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: 9240
Number of LACNIC addresses announced to Internet: 3622656
Equivalent to 0 /8s, 55 /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: 39153
Total AfriNIC prefixes after maximum aggregation: 7004
AfriNIC Deaggregation factor: 5.59
Prefixes being announced from the AfriNIC address blocks: 52560
Unique aggregates announced from the AfriNIC address blocks: 6572
AfriNIC Region origin ASes present in the Internet Routing Table: 1952
AfriNIC Prefixes per ASN: 26.93
AfriNIC Region origin ASes announcing only one prefix: 659
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: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1317
Number of AfriNIC addresses announced to Internet: 47779328
Equivalent to 2 /8s, 217 /16s and 14 /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 12214 8761 117 CHINAMOBILE-CN China Mobile Communication
7545 6139 837 624 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4961 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4537 347 26 FPT-AS-AP FPT Telecom Company, VN
9498 4468 536 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3910 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3703 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3297 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2915 864 511 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2820 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 13684 40975 5275 AMAZON-02, US
174 5373 8771 862 COGENT-174, US
11492 4820 319 606 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3340 3030 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3222 54766 2473 DNIC-AS-00749, US
396982 3199 3856 435 GOOGLE-CLOUD-PLATFORM, US
16625 3075 1301 2230 AKAMAI-AS, US
4155 2880 218 1745 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 9354 1255 2038 TTNET, TR
12479 7587 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4055 3396 140 AKAMAI-ASN1, NL
9009 3835 363 2147 M247, RO
12389 3122 2315 870 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2455 364 579 TELLCOM-AS, TR
212238 2317 164 1685 CDNEXT, GB
8452 1845 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 12356 3259 580 UNINET, MX
10620 3479 473 1035 Telmex Colombia S.A., CO
13999 2521 511 357 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1616 2435 269 Claro NXT Telecomunicacoes Ltda, BR
3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1193 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1188 371 22 Telefonica del Peru S.A.A., PE
22884 1073 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 1709 660 28 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1605 102 51 ORANGE-COTE-IVOIRE, CI
36992 1318 1490 359 ETISALAT-MISR, EG
20011 1298 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
24863 1231 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 887 520 43 Vodafone-, 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 13684 40975 5275 AMAZON-02, US
8151 12356 3259 580 UNINET, MX
9808 12214 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9354 1255 2038 TTNET, TR
12479 7587 1712 148 UNI2-AS, ES
7545 6139 837 624 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5373 8771 862 COGENT-174, US
4538 4961 4194 78 ERX-CERNET-BKB China Education and Resear
11492 4820 319 606 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
9808 12214 12097 CHINAMOBILE-CN China Mobile Communications Grou
8151 12356 11776 UNINET, MX
12479 7587 7439 UNI2-AS, ES
47331 9354 7316 TTNET, TR
7545 6139 5515 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4961 4883 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5373 4511 COGENT-174, US
18403 4537 4511 FPT-AS-AP FPT Telecom Company, VN
11492 4820 4214 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
/13:581 /14:1219 /15:2188 /16:13912 /17:8486 /18:14035
/19:25364 /20:46190 /21:54524 /22:115681 /23:111423 /24:646436
/25:408 /26:579 /27:1050 /28:74 /29:95 /30:18
/31:1 /32:898
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8448 9354 TTNET, TR
8151 6542 12356 UNINET, MX
12479 6538 7587 UNI2-AS, ES
11492 3612 4820 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3637 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2492 3340 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2356 13684 AMAZON-02, US
30036 2288 2629 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2466 2:1533 3:854 4:25 5:5067 6:163
7:6 8:1620 9:2 11:172 12:1347 13:458
14:2616 15:369 16:286 17:377 18:898 20:571
21:4 22:188 23:7835 24:2822 25:2 27:2857
29:19 31:3425 32:49 33:1 34:84 35:264
36:3923 37:4672 38:10780 39:946 40:247 41:4738
42:2043 43:2749 44:382 45:20337 46:5178 47:340
49:1943 50:2023 51:587 52:1587 54:325 55:1068
56:11 57:283 58:2267 59:1406 60:1171 61:2956
62:3068 63:1815 64:5588 65:2175 66:4851 67:3162
68:1110 69:4055 70:1067 71:633 72:2960 74:2845
75:1524 76:609 77:2876 78:4286 79:1727 80:2237
81:2227 82:3260 83:1487 84:1910 85:4427 86:1098
87:2409 88:3467 89:4597 90:779 91:8546 92:2738
93:2982 94:4161 95:5649 96:1504 97:315 98:956
99:693 100:71 101:1456 102:4503 103:32529 104:5270
105:2226 106:973 107:2678 108:1287 109:4241 110:2245
111:3426 112:2324 113:1874 114:1976 115:2287 116:2136
117:2638 118:3004 119:1998 120:2209 121:1402 122:2823
123:2434 124:1780 125:2929 126:91 128:1643 129:995
130:1344 131:2231 132:887 133:450 134:1607 135:397
136:1470 137:1203 138:3197 139:1590 140:1696 141:1535
142:1957 143:2102 144:1173 145:571 146:2207 147:2109
148:2736 149:2999 150:1287 151:2257 152:2101 153:591
154:7977 155:1870 156:3143 157:1984 158:1361 159:2526
160:3716 161:1947 162:3888 163:2271 164:1931 165:2460
166:1542 167:2043 168:4299 169:815 170:5595 171:1001
172:4267 173:3418 174:918 175:1326 176:3867 177:6143
178:4139 179:2749 180:2655 181:4351 182:3530 183:2289
184:2124 185:21918 186:5974 187:5225 188:4391 189:4713
190:10027 191:1746 192:11400 193:9553 194:7891 195:5775
196:3633 197:3859 198:6271 199:8639 200:8887 201:6660
202:10873 203:10797 204:4689 205:3646 206:4566 207:3669
208:4301 209:5275 210:5019 211:2712 212:4775 213:3937
214:1023 215:48 216:6857 217:3276 218:1432 219:577
220:2149 221:1202 222:870 223:2756
End of report
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