[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Mar 21 22:46:13 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 21 Mar, 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: 1033057
Prefixes after maximum aggregation (per Origin AS): 378340
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 475817
Total ASes present in the Internet Routing Table: 76868
Prefixes per ASN: 13.44
Origin-only ASes present in the Internet Routing Table: 66197
Origin ASes announcing only one prefix: 26253
Transit ASes present in the Internet Routing Table: 10671
Transit-only ASes present in the Internet Routing Table: 538
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: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1095
Number of instances of unregistered ASNs: 1106
Number of 32-bit ASNs allocated by the RIRs: 46125
Number of 32-bit ASNs visible in the Routing Table: 38079
Prefixes from 32-bit ASNs in the Routing Table: 211394
Number of bogon 32-bit ASNs visible in the Routing Table: 93
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 550
Number of addresses announced to Internet: 3115097573
Equivalent to 185 /8s, 172 /16s and 157 /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: 349031
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266994
Total APNIC prefixes after maximum aggregation: 76881
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 258606
Unique aggregates announced from the APNIC address blocks: 102597
APNIC Region origin ASes present in the Internet Routing Table: 14621
APNIC Prefixes per ASN: 17.69
APNIC Region origin ASes announcing only one prefix: 4432
APNIC Region transit ASes present in the Internet Routing Table: 1947
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 48
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10086
Number of APNIC addresses announced to Internet: 754495552
Equivalent to 44 /8s, 248 /16s and 176 /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: 296488
Total ARIN prefixes after maximum aggregation: 130164
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 296869
Unique aggregates announced from the ARIN address blocks: 136667
ARIN Region origin ASes present in the Internet Routing Table: 19251
ARIN Prefixes per ASN: 15.42
ARIN Region origin ASes announcing only one prefix: 7014
ARIN Region transit ASes present in the Internet Routing Table: 1891
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5178
Number of ARIN addresses announced to Internet: 1350605568
Equivalent to 80 /8s, 128 /16s and 155 /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: 290824
Total RIPE prefixes after maximum aggregation: 134253
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 288797
Unique aggregates announced from the RIPE address blocks: 173580
RIPE Region origin ASes present in the Internet Routing Table: 28923
RIPE Prefixes per ASN: 9.99
RIPE Region origin ASes announcing only one prefix: 11991
RIPE Region transit ASes present in the Internet Routing Table: 3840
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12353
Number of RIPE addresses announced to Internet: 732659621
Equivalent to 43 /8s, 171 /16s and 127 /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: 138763
Total LACNIC prefixes after maximum aggregation: 29506
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 135440
Unique aggregates announced from the LACNIC address blocks: 49001
LACNIC Region origin ASes present in the Internet Routing Table: 11224
LACNIC Prefixes per ASN: 12.07
LACNIC Region origin ASes announcing only one prefix: 2168
LACNIC Region transit ASes present in the Internet Routing Table: 2465
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: 9174
Number of LACNIC addresses announced to Internet: 171723520
Equivalent to 10 /8s, 60 /16s and 75 /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: 38893
Total AfriNIC prefixes after maximum aggregation: 6864
AfriNIC Deaggregation factor: 5.67
Prefixes being announced from the AfriNIC address blocks: 52793
Unique aggregates announced from the AfriNIC address blocks: 13506
AfriNIC Region origin ASes present in the Internet Routing Table: 1923
AfriNIC Prefixes per ASN: 27.45
AfriNIC Region origin ASes announcing only one prefix: 648
AfriNIC Region transit ASes present in the Internet Routing Table: 362
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1288
Number of AfriNIC addresses announced to Internet: 105353216
Equivalent to 6 /8s, 71 /16s and 144 /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 10391 8921 125 CHINAMOBILE-CN China Mobile Communication
7545 6212 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4982 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4336 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4268 530 278 BBIL-AP BHARTI Airtel Ltd., IN
7552 3913 1332 26 VIETEL-AS-AP Viettel Group, VN
45899 3913 1890 52 VNPT-AS-VN VNPT Corp, VN
7713 3676 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
24560 2840 847 538 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 12918 39634 3997 AMAZON-02, US
174 5512 8766 961 COGENT-174, US
11492 4675 310 585 CABLEONE, US
7155 4174 286 83 VIASAT-SP-BACKBONE, US
6327 3623 1320 81 SHAW, CA
22773 3389 3050 183 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3103 1309 2240 AKAMAI-AS, US
396982 2942 3660 455 GOOGLE-CLOUD-PLATFORM, US
36352 2566 213 807 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 9719 1292 1203 TTNET, TR
12479 7753 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4033 3396 142 AKAMAI-ASN1, NL
9009 3783 326 1958 M247, RO
12389 3010 2303 891 ROSTELECOM-AS, RU
34984 2415 363 577 TELLCOM-AS, TR
212238 2043 145 1502 CDNEXT, GB
8452 1952 1852 14 TE-AS TE-AS, EG
5384 1796 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 12132 3259 686 UNINET, MX
10620 3523 486 970 Telmex Colombia S.A., CO
13999 2512 539 368 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1595 2438 259 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1192 371 22 Telefonica del Peru S.A.A., PE
28202 1132 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1074 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1053 70 380 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 1623 389 16 LINKdotNET-AS, EG
29571 1564 102 23 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
20011 1276 198 333 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1006 521 42 Vodafone-, EG
37069 859 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 12918 39634 3997 AMAZON-02, US
8151 12132 3259 686 UNINET, MX
9808 10391 8921 125 CHINAMOBILE-CN China Mobile Communication
47331 9719 1292 1203 TTNET, TR
12479 7753 1714 145 UNI2-AS, ES
7545 6212 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5512 8766 961 COGENT-174, US
4538 4982 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4675 310 585 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 12132 11446 UNINET, MX
9808 10391 10266 CHINAMOBILE-CN China Mobile Communications Grou
47331 9719 8516 TTNET, TR
12479 7753 7608 UNI2-AS, ES
7545 6212 5556 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4982 4905 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5512 4551 COGENT-174, US
18403 4336 4311 FPT-AS-AP FPT Telecom Company, VN
7155 4174 4091 VIASAT-SP-BACKBONE, 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
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
54338 UNALLOCATED 8.33.241.0/24 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
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
23.140.216.0/24 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 /12:304
/13:587 /14:1237 /15:2210 /16:14157 /17:8611 /18:14745
/19:25646 /20:46262 /21:54919 /22:116440 /23:111038 /24:633513
/25:587 /26:589 /27:1058 /28:71 /29:106 /30:20
/31:2 /32:788
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8801 9719 TTNET, TR
12479 6686 7753 UNI2-AS, ES
8151 6278 12132 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3623 SHAW, CA
7155 3121 4174 VIASAT-SP-BACKBONE, US
22773 2524 3389 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2325 12918 AMAZON-02, US
30036 2214 2554 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2384 2:1537 3:598 4:25 5:4876 6:163
7:6 8:1646 9:1 10:1 11:172 12:1378
13:345 14:2550 15:353 16:279 17:364 18:917
20:474 21:4 22:188 23:7395 24:3069 25:2
27:2806 29:19 31:3293 32:55 34:83 35:210
36:2426 37:4835 38:10262 39:899 40:155 41:4724
42:1975 43:2609 44:357 45:20068 46:5058 47:291
49:2004 50:1899 51:590 52:1590 54:301 55:1074
56:9 57:262 58:2292 59:1384 60:1169 61:3093
62:3028 63:1858 64:5548 65:2205 66:4709 67:3076
68:1137 69:4007 70:1129 71:627 72:2937 74:2846
75:1663 76:616 77:2814 78:4247 79:1761 80:2233
81:2200 82:2926 83:1442 84:1837 85:4297 86:1047
87:2429 88:3428 89:4497 90:784 91:8446 92:2807
93:2915 94:4092 95:5467 96:1426 97:323 98:997
99:737 100:71 101:1323 102:4173 103:32564 104:4844
105:2229 106:999 107:2611 108:1217 109:4171 110:2260
111:3350 112:2064 113:1829 114:1962 115:2206 116:2097
117:2755 118:2888 119:2009 120:1908 121:1425 122:2886
123:2370 124:1686 125:2896 126:88 128:1607 129:1015
130:1314 131:2043 132:899 133:451 134:1531 135:375
136:1284 137:1174 138:3252 139:1624 140:1566 141:1484
142:1871 143:1753 144:1061 145:487 146:2186 147:2102
148:2628 149:2977 150:1260 151:2039 152:2127 153:574
154:8191 155:1638 156:3342 157:1932 158:1271 159:2434
160:3659 161:1992 162:3737 163:1967 164:1753 165:2240
166:1420 167:1917 168:4383 169:821 170:5549 171:1006
172:4487 173:3255 174:913 175:1279 176:3815 177:6173
178:3998 179:2823 180:2655 181:4205 182:3383 183:2066
184:2308 185:21797 186:5743 187:4999 188:4352 189:4590
190:9933 191:2118 192:11220 193:9482 194:7882 195:5683
196:3632 197:3949 198:6227 199:8443 200:8698 201:6574
202:10897 203:10769 204:4575 205:3705 206:4699 207:3588
208:4224 209:5263 210:4886 211:2619 212:4612 213:3877
214:1052 215:48 216:6688 217:3177 218:1385 219:553
220:2084 221:1068 222:851 223:2337
End of report
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