[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jul 27 22:46:50 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sun 27 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: 1040698
Prefixes after maximum aggregation (per Origin AS): 388415
Deaggregation factor: 2.68
Unique aggregates announced (without unneeded subnets): 213625
Total ASes present in the Internet Routing Table: 77204
Prefixes per ASN: 13.48
Origin-only ASes present in the Internet Routing Table: 66429
Origin ASes announcing only one prefix: 26391
Transit ASes present in the Internet Routing Table: 10775
Transit-only ASes present in the Internet Routing Table: 545
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: 1219
Number of instances of unregistered ASNs: 1261
Number of 32-bit ASNs allocated by the RIRs: 46959
Number of 32-bit ASNs visible in the Routing Table: 38721
Prefixes from 32-bit ASNs in the Routing Table: 217661
Number of bogon 32-bit ASNs visible in the Routing Table: 124
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 471
Number of addresses announced to Internet: 3978656912
Equivalent to 237 /8s, 37 /16s and 124 /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: 349588
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 270743
Total APNIC prefixes after maximum aggregation: 78575
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 261578
Unique aggregates announced from the APNIC address blocks: 67878
APNIC Region origin ASes present in the Internet Routing Table: 14761
APNIC Prefixes per ASN: 17.72
APNIC Region origin ASes announcing only one prefix: 4494
APNIC Region transit ASes present in the Internet Routing Table: 1950
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: 10286
Number of APNIC addresses announced to Internet: 465173760
Equivalent to 27 /8s, 185 /16s and 253 /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: 299093
Total ARIN prefixes after maximum aggregation: 133616
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300377
Unique aggregates announced from the ARIN address blocks: 51030
ARIN Region origin ASes present in the Internet Routing Table: 19266
ARIN Prefixes per ASN: 15.59
ARIN Region origin ASes announcing only one prefix: 7025
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: 5271
Number of ARIN addresses announced to Internet: 855919872
Equivalent to 51 /8s, 4 /16s and 77 /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: 291673
Total RIPE prefixes after maximum aggregation: 138534
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 290459
Unique aggregates announced from the RIPE address blocks: 81831
RIPE Region origin ASes present in the Internet Routing Table: 29015
RIPE Prefixes per ASN: 10.01
RIPE Region origin ASes announcing only one prefix: 12028
RIPE Region transit ASes present in the Internet Routing Table: 3874
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: 12610
Number of RIPE addresses announced to Internet: -1688898416
Equivalent to 155 /8s, 85 /16s and 116 /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: 138751
Total LACNIC prefixes after maximum aggregation: 29932
LACNIC Deaggregation factor: 4.64
Prefixes being announced from the LACNIC address blocks: 135231
Unique aggregates announced from the LACNIC address blocks: 6100
LACNIC Region origin ASes present in the Internet Routing Table: 11280
LACNIC Prefixes per ASN: 11.99
LACNIC Region origin ASes announcing only one prefix: 2190
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: 9242
Number of LACNIC addresses announced to Internet: 3620352
Equivalent to 0 /8s, 55 /16s and 62 /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: 39219
Total AfriNIC prefixes after maximum aggregation: 6977
AfriNIC Deaggregation factor: 5.62
Prefixes being announced from the AfriNIC address blocks: 52581
Unique aggregates announced from the AfriNIC address blocks: 6586
AfriNIC Region origin ASes present in the Internet Routing Table: 1945
AfriNIC Prefixes per ASN: 27.03
AfriNIC Region origin ASes announcing only one prefix: 654
AfriNIC Region transit ASes present in the Internet Routing Table: 370
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: 1312
Number of AfriNIC addresses announced to Internet: 47777536
Equivalent to 2 /8s, 217 /16s and 7 /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 12116 8761 117 CHINAMOBILE-CN China Mobile Communication
7545 6140 840 619 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4964 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4519 347 26 FPT-AS-AP FPT Telecom Company, VN
9498 4467 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3910 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3717 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3303 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 13697 40976 5279 AMAZON-02, US
174 5375 8771 862 COGENT-174, US
11492 4819 319 605 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3342 3030 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3223 54766 2474 DNIC-AS-00749, US
396982 3198 3856 434 GOOGLE-CLOUD-PLATFORM, US
16625 3078 1302 2227 AKAMAI-AS, US
4155 2876 218 1729 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 9352 1255 2037 TTNET, TR
12479 7595 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4064 3396 140 AKAMAI-ASN1, NL
9009 3825 363 2138 M247, RO
12389 3121 2315 870 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2455 364 579 TELLCOM-AS, TR
212238 2323 164 1691 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 12400 3260 575 UNINET, MX
10620 3485 474 1025 Telmex Colombia S.A., CO
13999 2525 511 349 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1579 2435 269 Claro NXT Telecomunicacoes Ltda, BR
3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1189 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1188 371 22 Telefonica del Peru S.A.A., PE
22884 1070 71 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1020 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 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1316 1490 359 ETISALAT-MISR, EG
20011 1298 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
24863 1228 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 848 520 43 Vodafone-, EG
36914 576 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 13697 40976 5279 AMAZON-02, US
8151 12400 3260 575 UNINET, MX
9808 12116 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9352 1255 2037 TTNET, TR
12479 7595 1712 148 UNI2-AS, ES
7545 6140 840 619 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5375 8771 862 COGENT-174, US
4538 4964 4194 78 ERX-CERNET-BKB China Education and Resear
11492 4819 319 605 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 12116 11999 CHINAMOBILE-CN China Mobile Communications Grou
8151 12400 11825 UNINET, MX
12479 7595 7447 UNI2-AS, ES
47331 9352 7315 TTNET, TR
7545 6140 5521 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 5375 4513 COGENT-174, US
18403 4519 4493 FPT-AS-AP FPT Telecom Company, VN
11492 4819 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
/13:582 /14:1220 /15:2184 /16:13910 /17:8482 /18:14041
/19:25358 /20:46126 /21:54487 /22:115506 /23:111011 /24:645047
/25:408 /26:578 /27:1046 /28:74 /29:96 /30:16
/31:1 /32:62
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8446 9352 TTNET, TR
8151 6585 12400 UNINET, MX
12479 6543 7595 UNI2-AS, ES
11492 3611 4819 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 2351 13697 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)
----------------------------------------------
1:2458 2:1533 3:857 4:25 5:5064 6:163
7:6 8:1626 9:2 11:172 12:1344 13:465
14:2616 15:369 16:286 17:376 18:898 20:570
21:4 22:188 23:7833 24:2824 25:2 27:2859
29:19 31:3400 32:50 33:1 34:84 35:263
36:3864 37:4618 38:10788 39:944 40:248 41:4730
42:2023 43:2747 44:382 45:20205 46:5162 47:340
49:1945 50:2016 51:591 52:1586 54:325 55:1110
56:11 57:284 58:2274 59:1406 60:1171 61:2956
62:3067 63:1816 64:5604 65:2182 66:4852 67:3167
68:1109 69:4054 70:1068 71:632 72:2964 74:2846
75:1523 76:610 77:2871 78:4288 79:1700 80:2242
81:2228 82:3257 83:1487 84:1914 85:4418 86:1096
87:2400 88:3465 89:4439 90:780 91:8537 92:2733
93:2975 94:4138 95:5543 96:1507 97:315 98:956
99:693 100:71 101:1455 102:4528 103:32526 104:5270
105:2223 106:974 107:2672 108:1283 109:4248 110:2245
111:3405 112:2307 113:1872 114:1979 115:2284 116:2132
117:2627 118:3005 119:1997 120:2205 121:1402 122:2826
123:2432 124:1778 125:2929 126:91 128:1648 129:1003
130:1345 131:2221 132:880 133:450 134:1602 135:397
136:1473 137:1204 138:3166 139:1586 140:1691 141:1512
142:1958 143:2081 144:1174 145:571 146:2205 147:2105
148:2737 149:3000 150:1289 151:2227 152:2101 153:590
154:7926 155:1861 156:3146 157:1983 158:1355 159:2533
160:3716 161:1946 162:3908 163:2275 164:1930 165:2447
166:1532 167:2049 168:4278 169:810 170:5557 171:1007
172:4261 173:3417 174:919 175:1327 176:3810 177:5998
178:4040 179:2745 180:2648 181:4338 182:3530 183:2288
184:2125 185:21897 186:5937 187:5150 188:4313 189:4714
190:10012 191:1709 192:11404 193:9547 194:7881 195:5767
196:3682 197:3880 198:6261 199:8652 200:8920 201:6656
202:10883 203:10788 204:4694 205:3672 206:4559 207:3666
208:4300 209:5274 210:4979 211:2707 212:4766 213:3942
214:1021 215:48 216:6849 217:3275 218:1435 219:573
220:2149 221:1204 222:877 223:2758
End of report
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