[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Apr 4 22:46:19 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 04 Apr, 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: 1034833
Prefixes after maximum aggregation (per Origin AS): 379450
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 476830
Total ASes present in the Internet Routing Table: 76920
Prefixes per ASN: 13.45
Origin-only ASes present in the Internet Routing Table: 66232
Origin ASes announcing only one prefix: 26310
Transit ASes present in the Internet Routing Table: 10688
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: 54
Max AS path prepend of ASN (135823) 50
Prefixes from unregistered ASNs in the Routing Table: 1119
Number of instances of unregistered ASNs: 1124
Number of 32-bit ASNs allocated by the RIRs: 46151
Number of 32-bit ASNs visible in the Routing Table: 38129
Prefixes from 32-bit ASNs in the Routing Table: 211742
Number of bogon 32-bit ASNs visible in the Routing Table: 77
Special use prefixes present in the Routing Table: 57
Prefixes being announced from unallocated address space: 556
Number of addresses announced to Internet: 3114570469
Equivalent to 185 /8s, 164 /16s and 146 /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: 349981
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267173
Total APNIC prefixes after maximum aggregation: 77149
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 258727
Unique aggregates announced from the APNIC address blocks: 102622
APNIC Region origin ASes present in the Internet Routing Table: 14633
APNIC Prefixes per ASN: 17.68
APNIC Region origin ASes announcing only one prefix: 4447
APNIC Region transit ASes present in the Internet Routing Table: 1960
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 54
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10093
Number of APNIC addresses announced to Internet: 754214208
Equivalent to 44 /8s, 244 /16s and 101 /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: 296299
Total ARIN prefixes after maximum aggregation: 130527
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 296732
Unique aggregates announced from the ARIN address blocks: 137114
ARIN Region origin ASes present in the Internet Routing Table: 19257
ARIN Prefixes per ASN: 15.41
ARIN Region origin ASes announcing only one prefix: 7025
ARIN Region transit ASes present in the Internet Routing Table: 1884
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: 5184
Number of ARIN addresses announced to Internet: 1350305536
Equivalent to 80 /8s, 124 /16s and 7 /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: 292559
Total RIPE prefixes after maximum aggregation: 134670
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 290390
Unique aggregates announced from the RIPE address blocks: 174111
RIPE Region origin ASes present in the Internet Routing Table: 28946
RIPE Prefixes per ASN: 10.03
RIPE Region origin ASes announcing only one prefix: 12002
RIPE Region transit ASes present in the Internet Routing Table: 3856
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: 12389
Number of RIPE addresses announced to Internet: 732557093
Equivalent to 43 /8s, 169 /16s and 239 /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: 138453
Total LACNIC prefixes after maximum aggregation: 29532
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135250
Unique aggregates announced from the LACNIC address blocks: 48919
LACNIC Region origin ASes present in the Internet Routing Table: 11231
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2192
LACNIC Region transit ASes present in the Internet Routing Table: 2455
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: 9180
Number of LACNIC addresses announced to Internet: 171882112
Equivalent to 10 /8s, 62 /16s and 182 /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: 39230
Total AfriNIC prefixes after maximum aggregation: 6867
AfriNIC Deaggregation factor: 5.71
Prefixes being announced from the AfriNIC address blocks: 53176
Unique aggregates announced from the AfriNIC address blocks: 13575
AfriNIC Region origin ASes present in the Internet Routing Table: 1916
AfriNIC Prefixes per ASN: 27.75
AfriNIC Region origin ASes announcing only one prefix: 644
AfriNIC Region transit ASes present in the Internet Routing Table: 363
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: 1283
Number of AfriNIC addresses announced to Internet: 105349632
Equivalent to 6 /8s, 71 /16s and 130 /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 10374 8921 126 CHINAMOBILE-CN China Mobile Communication
7545 6216 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4981 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4299 531 279 BBIL-AP BHARTI Airtel Ltd., IN
18403 4218 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3917 1332 26 VIETEL-AS-AP Viettel Group, VN
45899 3911 1890 51 VNPT-AS-VN VNPT Corp, VN
7713 3693 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
24560 2851 849 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2233 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 13009 39642 3951 AMAZON-02, US
174 5561 8766 962 COGENT-174, US
11492 4686 311 585 CABLEONE, US
7155 3834 286 83 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3414 3050 185 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3120 1311 2253 AKAMAI-AS, US
396982 2950 3649 467 GOOGLE-CLOUD-PLATFORM, US
36352 2616 215 797 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 9746 1294 1096 TTNET, TR
12479 7735 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4034 3396 142 AKAMAI-ASN1, NL
9009 3790 328 1973 M247, RO
12389 3085 2303 890 ROSTELECOM-AS, RU
34984 2412 363 576 TELLCOM-AS, TR
212238 2085 148 1536 CDNEXT, GB
8452 1955 1852 14 TE-AS TE-AS, EG
5384 1802 585 29 EMIRATES-INTERNET Emirates Internet, AE
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 12215 3263 686 UNINET, MX
10620 3526 487 971 Telmex Colombia S.A., CO
13999 2516 539 364 Mega Cable, S.A. de C.V., MX
11830 1994 369 64 Instituto Costarricense de Electricidad y
28573 1600 2438 256 Claro NXT Telecomunicacoes Ltda, BR
3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 22 Telefonica del Peru S.A.A., PE
28202 1132 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1092 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1052 70 382 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 1703 599 30 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1631 389 16 LINKdotNET-AS, EG
29571 1571 102 22 ORANGE-COTE-IVOIRE, CI
36992 1430 1518 287 ETISALAT-MISR, EG
20011 1295 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1006 521 42 Vodafone-, EG
37069 915 1083 15 MOBINIL, EG
3741 562 661 321 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 13009 39642 3951 AMAZON-02, US
8151 12215 3263 686 UNINET, MX
9808 10374 8921 126 CHINAMOBILE-CN China Mobile Communication
47331 9746 1294 1096 TTNET, TR
12479 7735 1714 145 UNI2-AS, ES
7545 6216 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5561 8766 962 COGENT-174, US
4538 4981 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4686 311 585 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 12215 11529 UNINET, MX
9808 10374 10248 CHINAMOBILE-CN China Mobile Communications Grou
47331 9746 8650 TTNET, TR
12479 7735 7590 UNI2-AS, ES
7545 6216 5558 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4981 4904 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5561 4599 COGENT-174, US
18403 4218 4193 FPT-AS-AP FPT Telecom Company, VN
11492 4686 4101 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
212032 UNALLOCATED 5.59.105.0/24 35168 TNS-PLUS-CORE, KZ
46559 UNALLOCATED 8.3.52.0/23 3257 GTT-BACKBONE GTT, US
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
Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.116.75.0/24 22884 TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
172.22.139.0/24 8151 UNINET, MX
172.22.243.0/24 8151 UNINET, MX
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
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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /9:16 /10:41 /11:93 /12:303
/13:584 /14:1239 /15:2207 /16:14133 /17:8607 /18:14813
/19:25682 /20:46309 /21:55066 /22:116879 /23:111414 /24:634171
/25:587 /26:585 /27:1053 /28:70 /29:106 /30:20
/31:2 /32:836
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8827 9746 TTNET, TR
12479 6657 7735 UNI2-AS, ES
8151 6359 12215 UNINET, MX
11492 3531 4686 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2788 3834 VIASAT-SP-BACKBONE, US
22773 2548 3414 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2338 13009 AMAZON-02, US
30036 2205 2545 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2377 2:1552 3:614 4:25 5:4915 6:163
7:6 8:1641 9:1 10:1 11:172 12:1377
13:353 14:2549 15:353 16:279 17:363 18:916
20:481 21:4 22:188 23:7415 24:2888 25:2
27:2774 29:19 31:3309 32:55 34:84 35:210
36:2424 37:4797 38:10258 39:900 40:154 41:4753
42:1917 43:2603 44:366 45:20017 46:5023 47:292
49:1979 50:1910 51:590 52:1584 54:301 55:879
56:11 57:261 58:2286 59:1414 60:1171 61:3099
62:3038 63:1862 64:5536 65:2213 66:4733 67:3113
68:1125 69:4021 70:1091 71:626 72:2946 74:2838
75:1615 76:616 77:2825 78:4355 79:1758 80:2238
81:2220 82:3187 83:1475 84:1874 85:4394 86:1051
87:2430 88:3542 89:4509 90:778 91:8449 92:2820
93:2902 94:4145 95:5573 96:1435 97:322 98:996
99:641 100:71 101:1419 102:4230 103:32523 104:4822
105:2230 106:995 107:2627 108:1215 109:4156 110:2273
111:3342 112:2066 113:1838 114:1985 115:2221 116:2093
117:2743 118:2903 119:2010 120:1904 121:1438 122:2894
123:2417 124:1687 125:2914 126:91 128:1616 129:1039
130:1311 131:2063 132:898 133:451 134:1535 135:377
136:1312 137:1177 138:3236 139:1626 140:1582 141:1494
142:1887 143:1766 144:1071 145:521 146:2186 147:2107
148:2664 149:2981 150:1257 151:1855 152:2127 153:573
154:8217 155:1652 156:3259 157:1926 158:1281 159:2438
160:3673 161:1915 162:3735 163:2004 164:1756 165:2246
166:1445 167:1911 168:4351 169:822 170:5529 171:1007
172:4492 173:3248 174:912 175:1294 176:3830 177:6069
178:3972 179:2742 180:2657 181:4229 182:3382 183:2032
184:2153 185:21807 186:5778 187:5056 188:4337 189:4604
190:9960 191:2037 192:11236 193:9523 194:7924 195:5694
196:3684 197:3962 198:6277 199:8461 200:8773 201:6565
202:10893 203:10776 204:4570 205:3725 206:4675 207:3586
208:4234 209:5262 210:4890 211:2637 212:4719 213:3925
214:1053 215:48 216:6678 217:3177 218:1389 219:551
220:2087 221:1072 222:845 223:2336
End of report
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