[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Apr 1 22:46:28 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 01 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: 1032724
Prefixes after maximum aggregation (per Origin AS): 378982
Deaggregation factor: 2.72
Unique aggregates announced (without unneeded subnets): 476545
Total ASes present in the Internet Routing Table: 76889
Prefixes per ASN: 13.43
Origin-only ASes present in the Internet Routing Table: 66181
Origin ASes announcing only one prefix: 26292
Transit ASes present in the Internet Routing Table: 10708
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: 3.2
Max AS path length visible: 54
Max AS path prepend of ASN (135823) 50
Prefixes from unregistered ASNs in the Routing Table: 1095
Number of instances of unregistered ASNs: 1100
Number of 32-bit ASNs allocated by the RIRs: 46115
Number of 32-bit ASNs visible in the Routing Table: 38094
Prefixes from 32-bit ASNs in the Routing Table: 211455
Number of bogon 32-bit ASNs visible in the Routing Table: 75
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 506
Number of addresses announced to Internet: 3114222949
Equivalent to 185 /8s, 159 /16s and 69 /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: 349057
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266990
Total APNIC prefixes after maximum aggregation: 77093
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 258597
Unique aggregates announced from the APNIC address blocks: 102670
APNIC Region origin ASes present in the Internet Routing Table: 14625
APNIC Prefixes per ASN: 17.68
APNIC Region origin ASes announcing only one prefix: 4448
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: 54
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10086
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: 296016
Total ARIN prefixes after maximum aggregation: 130431
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 296780
Unique aggregates announced from the ARIN address blocks: 137086
ARIN Region origin ASes present in the Internet Routing Table: 19255
ARIN Prefixes per ASN: 15.41
ARIN Region origin ASes announcing only one prefix: 7021
ARIN Region transit ASes present in the Internet Routing Table: 1895
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 33
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5175
Number of ARIN addresses announced to Internet: 1350254848
Equivalent to 80 /8s, 123 /16s and 65 /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: 291287
Total RIPE prefixes after maximum aggregation: 134419
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 289066
Unique aggregates announced from the RIPE address blocks: 173816
RIPE Region origin ASes present in the Internet Routing Table: 28925
RIPE Prefixes per ASN: 9.99
RIPE Region origin ASes announcing only one prefix: 11981
RIPE Region transit ASes present in the Internet Routing Table: 3860
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12371
Number of RIPE addresses announced to Internet: 732428965
Equivalent to 43 /8s, 167 /16s and 250 /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: 138408
Total LACNIC prefixes after maximum aggregation: 29518
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135236
Unique aggregates announced from the LACNIC address blocks: 48934
LACNIC Region origin ASes present in the Internet Routing Table: 11234
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2193
LACNIC Region transit ASes present in the Internet Routing Table: 2449
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: 9179
Number of LACNIC addresses announced to Internet: 171828608
Equivalent to 10 /8s, 61 /16s and 229 /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: 38928
Total AfriNIC prefixes after maximum aggregation: 6844
AfriNIC Deaggregation factor: 5.69
Prefixes being announced from the AfriNIC address blocks: 52537
Unique aggregates announced from the AfriNIC address blocks: 13597
AfriNIC Region origin ASes present in the Internet Routing Table: 1916
AfriNIC Prefixes per ASN: 27.42
AfriNIC Region origin ASes announcing only one prefix: 649
AfriNIC Region transit ASes present in the Internet Routing Table: 371
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: 105250816
Equivalent to 6 /8s, 70 /16s and 0 /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 10372 8921 126 CHINAMOBILE-CN China Mobile Communication
7545 6220 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4981 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4298 531 279 BBIL-AP BHARTI Airtel Ltd., IN
18403 4223 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3917 1332 26 VIETEL-AS-AP Viettel Group, VN
45899 3910 1890 52 VNPT-AS-VN VNPT Corp, VN
7713 3677 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
24560 2850 849 540 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 13022 39646 4004 AMAZON-02, US
174 5560 8766 963 COGENT-174, US
11492 4677 310 583 CABLEONE, US
7155 4173 286 83 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3397 3050 183 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3115 1311 2249 AKAMAI-AS, US
396982 2948 3649 465 GOOGLE-CLOUD-PLATFORM, US
36352 2619 216 799 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 9745 1294 1100 TTNET, TR
12479 7720 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4037 3396 142 AKAMAI-ASN1, NL
9009 3794 328 1973 M247, RO
12389 3044 2303 890 ROSTELECOM-AS, RU
34984 2412 363 576 TELLCOM-AS, TR
212238 2070 147 1527 CDNEXT, GB
8452 1954 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 12198 3261 685 UNINET, MX
10620 3521 486 970 Telmex Colombia S.A., CO
13999 2512 539 367 Mega Cable, S.A. de C.V., MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
28573 1596 2438 259 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 783 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 371 21 Telefonica del Peru S.A.A., PE
28202 1132 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1080 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 1620 389 18 LINKdotNET-AS, EG
29571 1566 102 23 ORANGE-COTE-IVOIRE, CI
36992 1428 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 13022 39646 4004 AMAZON-02, US
8151 12198 3261 685 UNINET, MX
9808 10372 8921 126 CHINAMOBILE-CN China Mobile Communication
47331 9745 1294 1100 TTNET, TR
12479 7720 1714 145 UNI2-AS, ES
7545 6220 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5560 8766 963 COGENT-174, US
4538 4981 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4677 310 583 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 12198 11513 UNINET, MX
9808 10372 10246 CHINAMOBILE-CN China Mobile Communications Grou
47331 9745 8645 TTNET, TR
12479 7720 7575 UNI2-AS, ES
7545 6220 5562 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 5560 4597 COGENT-174, US
18403 4223 4198 FPT-AS-AP FPT Telecom Company, VN
11492 4677 4094 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
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
23.136.188.0/24 Origin: 214483 FIBERPOWER-AS, US
23.136.188.0/24 Transit: 26042 FIBERSTATE, 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
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 /16:14132 /17:8601 /18:14763
/19:25656 /20:46251 /21:54991 /22:116593 /23:111078 /24:632887
/25:589 /26:589 /27:1060 /28:69 /29:106 /30:20
/31:2 /32:837
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8827 9745 TTNET, TR
12479 6648 7720 UNI2-AS, ES
8151 6344 12198 UNINET, MX
11492 3530 4677 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 3120 4173 VIASAT-SP-BACKBONE, US
22773 2532 3397 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2337 13022 AMAZON-02, US
30036 2200 2539 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2379 2:1538 3:605 4:25 5:4912 6:163
7:6 8:1643 9:1 10:1 11:172 12:1376
13:356 14:2555 15:353 16:279 17:364 18:918
20:474 21:4 22:188 23:7411 24:2875 25:2
27:2778 29:19 31:3300 32:55 34:84 35:210
36:2424 37:4804 38:10233 39:900 40:154 41:4660
42:1925 43:2608 44:362 45:20022 46:5011 47:291
49:1982 50:1909 51:590 52:1586 54:302 55:879
56:11 57:261 58:2287 59:1412 60:1171 61:3095
62:3041 63:1853 64:5546 65:2209 66:4715 67:3100
68:1139 69:4014 70:1121 71:627 72:2946 74:2836
75:1667 76:616 77:2824 78:4259 79:1751 80:2238
81:2202 82:3107 83:1464 84:1864 85:4319 86:1050
87:2426 88:3438 89:4507 90:778 91:8449 92:2816
93:2902 94:4116 95:5509 96:1438 97:322 98:994
99:739 100:71 101:1418 102:4203 103:32516 104:4836
105:2229 106:995 107:2608 108:1219 109:4138 110:2273
111:3355 112:2066 113:1827 114:1981 115:2203 116:2094
117:2738 118:2863 119:2006 120:1904 121:1438 122:2892
123:2413 124:1687 125:2893 126:88 128:1606 129:1030
130:1312 131:2058 132:894 133:451 134:1532 135:375
136:1291 137:1168 138:3249 139:1638 140:1580 141:1489
142:1883 143:1777 144:1070 145:522 146:2185 147:2106
148:2655 149:2975 150:1261 151:1743 152:2126 153:575
154:8156 155:1647 156:3047 157:1925 158:1280 159:2437
160:3665 161:1954 162:3750 163:1999 164:1753 165:2245
166:1438 167:1916 168:4364 169:821 170:5538 171:1007
172:4491 173:3248 174:911 175:1293 176:3830 177:6094
178:3999 179:2738 180:2651 181:4206 182:3375 183:2034
184:2306 185:21794 186:5772 187:5026 188:4335 189:4621
190:9926 191:2094 192:11228 193:9494 194:7908 195:5682
196:3678 197:3890 198:6232 199:8445 200:8758 201:6572
202:10874 203:10766 204:4578 205:3714 206:4688 207:3587
208:4221 209:5253 210:4878 211:2640 212:4605 213:3901
214:1048 215:48 216:6694 217:3160 218:1388 219:551
220:2096 221:1072 222:844 223:2336
End of report
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