[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jun 4 22:45:21 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 04 Jun, 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: 1038242
Prefixes after maximum aggregation (per Origin AS): 383865
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 483305
Total ASes present in the Internet Routing Table: 77053
Prefixes per ASN: 13.47
Origin-only ASes present in the Internet Routing Table: 66315
Origin ASes announcing only one prefix: 26362
Transit ASes present in the Internet Routing Table: 10738
Transit-only ASes present in the Internet Routing Table: 542
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: 1165
Number of instances of unregistered ASNs: 1203
Number of 32-bit ASNs allocated by the RIRs: 46565
Number of 32-bit ASNs visible in the Routing Table: 38390
Prefixes from 32-bit ASNs in the Routing Table: 215473
Number of bogon 32-bit ASNs visible in the Routing Table: 151
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 451
Number of addresses announced to Internet: 3111800357
Equivalent to 185 /8s, 122 /16s and 78 /24s
Percentage of available address space announced: 84.1
Percentage of allocated address space announced: 84.1
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: 350597
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267106
Total APNIC prefixes after maximum aggregation: 77884
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257977
Unique aggregates announced from the APNIC address blocks: 104541
APNIC Region origin ASes present in the Internet Routing Table: 14661
APNIC Prefixes per ASN: 17.60
APNIC Region origin ASes announcing only one prefix: 4470
APNIC Region transit ASes present in the Internet Routing Table: 1929
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: 10161
Number of APNIC addresses announced to Internet: 749804608
Equivalent to 44 /8s, 177 /16s and 28 /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: 299076
Total ARIN prefixes after maximum aggregation: 132775
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299351
Unique aggregates announced from the ARIN address blocks: 139431
ARIN Region origin ASes present in the Internet Routing Table: 19263
ARIN Prefixes per ASN: 15.54
ARIN Region origin ASes announcing only one prefix: 7019
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: 5231
Number of ARIN addresses announced to Internet: 1353083136
Equivalent to 80 /8s, 166 /16s and 105 /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: 291754
Total RIPE prefixes after maximum aggregation: 135878
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 289891
Unique aggregates announced from the RIPE address blocks: 175478
RIPE Region origin ASes present in the Internet Routing Table: 28998
RIPE Prefixes per ASN: 10.00
RIPE Region origin ASes announcing only one prefix: 12037
RIPE Region transit ASes present in the Internet Routing Table: 3876
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: 12482
Number of RIPE addresses announced to Internet: 731431781
Equivalent to 43 /8s, 152 /16s and 195 /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: 139551
Total LACNIC prefixes after maximum aggregation: 29843
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 136066
Unique aggregates announced from the LACNIC address blocks: 48996
LACNIC Region origin ASes present in the Internet Routing Table: 11273
LACNIC Prefixes per ASN: 12.07
LACNIC Region origin ASes announcing only one prefix: 2182
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: 9220
Number of LACNIC addresses announced to Internet: 171986560
Equivalent to 10 /8s, 64 /16s and 78 /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: 39590
Total AfriNIC prefixes after maximum aggregation: 6808
AfriNIC Deaggregation factor: 5.82
Prefixes being announced from the AfriNIC address blocks: 54505
Unique aggregates announced from the AfriNIC address blocks: 14456
AfriNIC Region origin ASes present in the Internet Routing Table: 1930
AfriNIC Prefixes per ASN: 28.24
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: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1296
Number of AfriNIC addresses announced to Internet: 105231360
Equivalent to 6 /8s, 69 /16s and 180 /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 11123 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6177 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4435 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4403 534 307 BBIL-AP BHARTI Airtel Ltd., IN
7552 3924 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3716 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3296 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2882 854 530 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2208 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
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 13673 40830 5212 AMAZON-02, US
174 5348 8747 895 COGENT-174, US
11492 4760 316 593 CABLEONE, US
7155 3861 286 85 VIASAT-SP-BACKBONE, US
6327 3632 1320 81 SHAW, CA
22773 3342 3049 171 ASN-CXA-ALL-CCI-22773-RDC, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3179 3853 423 GOOGLE-CLOUD-PLATFORM, US
16625 3148 1314 2267 AKAMAI-AS, US
36352 2805 229 852 AS-COLOCROSSING, 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 9752 1296 1077 TTNET, TR
12479 7702 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4079 3396 140 AKAMAI-ASN1, NL
9009 3922 360 2086 M247, RO
12389 3123 2306 890 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 573 TELLCOM-AS, TR
212238 2229 162 1641 CDNEXT, GB
8452 1930 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 12470 3271 674 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2512 540 363 Mega Cable, S.A. de C.V., MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
28573 1615 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1200 371 22 Telefonica del Peru S.A.A., PE
28202 1113 52 9 MASTER SA, BR
11664 1099 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1063 71 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1780 644 27 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1634 389 17 LINKdotNET-AS, EG
29571 1613 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1519 280 ETISALAT-MISR, EG
20011 1296 205 346 INTERNET-SOLUTIONS, ZA
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1052 520 43 Vodafone-, EG
3741 560 661 319 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 13673 40830 5212 AMAZON-02, US
8151 12470 3271 674 UNINET, MX
9808 11123 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7702 1714 148 UNI2-AS, ES
7545 6177 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5348 8747 895 COGENT-174, US
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4760 316 593 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 12470 11796 UNINET, MX
9808 11123 11025 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7702 7554 UNI2-AS, ES
7545 6177 5527 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4792 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5348 4453 COGENT-174, US
18403 4435 4410 FPT-AS-AP FPT Telecom Company, VN
11492 4760 4167 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
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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
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
169.254.0.0/16 38917 KOMTEL-AS, RU
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: 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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /12:299
/13:583 /14:1231 /15:2196 /16:14015 /17:8446 /18:14215
/19:25371 /20:46132 /21:54417 /22:115678 /23:110922 /24:641239
/25:588 /26:585 /27:1056 /28:68 /29:104 /30:18
/31:3 /32:912
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
8151 6621 12470 UNINET, MX
12479 6618 7702 UNI2-AS, ES
11492 3557 4760 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3427 3632 SHAW, CA
7155 2820 3861 VIASAT-SP-BACKBONE, US
22773 2488 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2392 13673 AMAZON-02, US
30036 2237 2578 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2418 2:1527 3:807 4:25 5:5018 6:162
7:6 8:1651 9:1 11:172 12:1363 13:442
14:2564 15:361 16:285 17:376 18:921 20:555
21:4 22:188 23:7639 24:2907 25:2 27:2831
29:19 31:3338 32:51 33:1 34:84 35:258
36:3061 37:4699 38:10468 39:912 40:172 41:4781
42:1984 43:2643 44:380 45:20239 46:5158 47:322
49:1957 50:1905 51:591 52:1602 54:324 55:1099
56:11 57:274 58:2304 59:1446 60:1169 61:3044
62:3063 63:1826 64:5499 65:2213 66:4747 67:3120
68:1158 69:4031 70:1097 71:641 72:2950 74:2842
75:1530 76:617 77:2818 78:4368 79:1732 80:2252
81:2236 82:3194 83:1486 84:1887 85:4412 86:1079
87:2419 88:3561 89:4569 90:774 91:8501 92:2733
93:2937 94:4133 95:5620 96:1477 97:325 98:982
99:695 100:73 101:1458 102:4397 103:32527 104:5107
105:2238 106:1037 107:2668 108:1268 109:4137 110:2252
111:3343 112:2151 113:1844 114:2000 115:2198 116:2114
117:2536 118:2916 119:1979 120:2009 121:1450 122:2799
123:2462 124:1700 125:2918 126:91 128:1642 129:1040
130:1345 131:2151 132:900 133:449 134:1557 135:380
136:1355 137:1191 138:3236 139:1596 140:1612 141:1509
142:1955 143:1940 144:1152 145:539 146:2212 147:2123
148:2735 149:2963 150:1260 151:1951 152:2115 153:579
154:8332 155:2004 156:3393 157:1941 158:1337 159:2485
160:3967 161:1902 162:3808 163:2219 164:1841 165:2263
166:1490 167:1969 168:4624 169:822 170:5573 171:1013
172:4463 173:3341 174:922 175:1304 176:3845 177:6038
178:3878 179:2721 180:2703 181:4316 182:3449 183:2141
184:2121 185:21899 186:5922 187:5100 188:4367 189:4663
190:10042 191:2060 192:11333 193:9538 194:7918 195:5723
196:3652 197:3930 198:6248 199:8578 200:8819 201:6615
202:10775 203:10776 204:4601 205:3687 206:4535 207:3617
208:4265 209:5272 210:4925 211:2635 212:4788 213:3890
214:1032 215:48 216:6841 217:3228 218:1420 219:557
220:2089 221:1118 222:855 223:2449
End of report
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