[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Mar 26 22:46:39 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 26 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: 1033593
Prefixes after maximum aggregation (per Origin AS): 378656
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 476150
Total ASes present in the Internet Routing Table: 76891
Prefixes per ASN: 13.44
Origin-only ASes present in the Internet Routing Table: 66201
Origin ASes announcing only one prefix: 26264
Transit ASes present in the Internet Routing Table: 10690
Transit-only ASes present in the Internet Routing Table: 546
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: 60
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 1059
Number of instances of unregistered ASNs: 1065
Number of 32-bit ASNs allocated by the RIRs: 46097
Number of 32-bit ASNs visible in the Routing Table: 38088
Prefixes from 32-bit ASNs in the Routing Table: 211519
Number of bogon 32-bit ASNs visible in the Routing Table: 79
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 504
Number of addresses announced to Internet: 3114827621
Equivalent to 185 /8s, 168 /16s and 127 /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: 349161
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266972
Total APNIC prefixes after maximum aggregation: 76974
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 258611
Unique aggregates announced from the APNIC address blocks: 102610
APNIC Region origin ASes present in the Internet Routing Table: 14631
APNIC Prefixes per ASN: 17.68
APNIC Region origin ASes announcing only one prefix: 4435
APNIC Region transit ASes present in the Internet Routing Table: 1958
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: 10095
Number of APNIC addresses announced to Internet: 754422080
Equivalent to 44 /8s, 247 /16s and 145 /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: 296822
Total ARIN prefixes after maximum aggregation: 130288
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 297189
Unique aggregates announced from the ARIN address blocks: 136850
ARIN Region origin ASes present in the Internet Routing Table: 19247
ARIN Prefixes per ASN: 15.44
ARIN Region origin ASes announcing only one prefix: 7013
ARIN Region transit ASes present in the Internet Routing Table: 1888
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: 5171
Number of ARIN addresses announced to Internet: 1350632960
Equivalent to 80 /8s, 129 /16s and 6 /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: 291183
Total RIPE prefixes after maximum aggregation: 134400
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 289206
Unique aggregates announced from the RIPE address blocks: 173860
RIPE Region origin ASes present in the Internet Routing Table: 28931
RIPE Prefixes per ASN: 10.00
RIPE Region origin ASes announcing only one prefix: 11993
RIPE Region transit ASes present in the Internet Routing Table: 3855
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12363
Number of RIPE addresses announced to Internet: 732527781
Equivalent to 43 /8s, 169 /16s and 124 /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: 138495
Total LACNIC prefixes after maximum aggregation: 29449
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 135178
Unique aggregates announced from the LACNIC address blocks: 48813
LACNIC Region origin ASes present in the Internet Routing Table: 11232
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2177
LACNIC Region transit ASes present in the Internet Routing Table: 2454
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: 9176
Number of LACNIC addresses announced to Internet: 171717504
Equivalent to 10 /8s, 60 /16s and 51 /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: 39062
Total AfriNIC prefixes after maximum aggregation: 6874
AfriNIC Deaggregation factor: 5.68
Prefixes being announced from the AfriNIC address blocks: 52903
Unique aggregates announced from the AfriNIC address blocks: 13579
AfriNIC Region origin ASes present in the Internet Routing Table: 1916
AfriNIC Prefixes per ASN: 27.61
AfriNIC Region origin ASes announcing only one prefix: 646
AfriNIC Region transit ASes present in the Internet Routing Table: 367
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1283
Number of AfriNIC addresses announced to Internet: 105281024
Equivalent to 6 /8s, 70 /16s and 118 /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 10395 8921 125 CHINAMOBILE-CN China Mobile Communication
7545 6217 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4982 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4286 530 278 BBIL-AP BHARTI Airtel Ltd., IN
18403 4223 347 25 FPT-AS-AP FPT Telecom Company, VN
45899 3915 1890 52 VNPT-AS-VN VNPT Corp, VN
7552 3913 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3693 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
24560 2843 847 540 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 12951 39641 3998 AMAZON-02, US
174 5561 8765 960 COGENT-174, US
11492 4675 310 585 CABLEONE, US
7155 4173 286 83 VIASAT-SP-BACKBONE, US
6327 3623 1320 81 SHAW, CA
22773 3389 3050 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3121 1311 2245 AKAMAI-AS, US
396982 2948 3665 460 GOOGLE-CLOUD-PLATFORM, US
36352 2564 213 798 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 9734 1293 1153 TTNET, TR
12479 7731 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4035 3396 142 AKAMAI-ASN1, NL
9009 3785 327 1962 M247, RO
12389 3041 2303 891 ROSTELECOM-AS, RU
34984 2412 363 576 TELLCOM-AS, TR
212238 2060 147 1521 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 11997 3249 585 UNINET, MX
10620 3522 486 971 Telmex Colombia S.A., CO
13999 2515 539 369 Mega Cable, S.A. de C.V., MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
28573 1595 2438 259 Claro NXT Telecomunicacoes Ltda, BR
3816 1328 782 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1194 371 22 Telefonica del Peru S.A.A., PE
28202 1132 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1071 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1070 359 174 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 1703 599 30 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1620 389 18 LINKdotNET-AS, EG
29571 1567 102 23 ORANGE-COTE-IVOIRE, CI
36992 1428 1518 287 ETISALAT-MISR, EG
20011 1294 202 344 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1006 521 42 Vodafone-, EG
37069 903 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 12951 39641 3998 AMAZON-02, US
8151 11997 3249 585 UNINET, MX
9808 10395 8921 125 CHINAMOBILE-CN China Mobile Communication
47331 9734 1293 1153 TTNET, TR
12479 7731 1714 145 UNI2-AS, ES
7545 6217 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5561 8765 960 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 11997 11412 UNINET, MX
9808 10395 10270 CHINAMOBILE-CN China Mobile Communications Grou
47331 9734 8581 TTNET, TR
12479 7731 7586 UNI2-AS, ES
7545 6217 5559 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 5561 4601 COGENT-174, US
18403 4223 4198 FPT-AS-AP FPT Telecom Company, VN
11492 4675 4090 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
23.140.216.0/24 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
/13:586 /14:1238 /15:2208 /16:14153 /17:8610 /18:14773
/19:25655 /20:46322 /21:54949 /22:116465 /23:111026 /24:634071
/25:401 /26:585 /27:1052 /28:69 /29:110 /30:39
/31:2 /32:808
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8816 9734 TTNET, TR
12479 6664 7731 UNI2-AS, ES
8151 6141 11997 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3623 SHAW, CA
7155 3120 4173 VIASAT-SP-BACKBONE, US
22773 2525 3389 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2329 12951 AMAZON-02, US
30036 2220 2560 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2371 2:1541 3:597 4:25 5:4889 6:162
7:6 8:1645 9:1 10:1 11:172 12:1375
13:349 14:2553 15:353 16:279 17:364 18:911
20:474 21:4 22:188 23:7406 24:3070 25:2
27:2792 29:19 31:3295 32:55 34:84 35:209
36:2428 37:4873 38:10313 39:900 40:154 41:4750
42:1934 43:2605 44:360 45:20055 46:5022 47:291
49:2006 50:1907 51:590 52:1588 54:301 55:1090
56:11 57:261 58:2284 59:1406 60:1169 61:3096
62:3041 63:1855 64:5550 65:2204 66:4698 67:3070
68:1139 69:4011 70:1131 71:628 72:2938 74:2844
75:1668 76:616 77:2824 78:4251 79:1742 80:2236
81:2206 82:3032 83:1463 84:1836 85:4316 86:1052
87:2426 88:3430 89:4498 90:782 91:8453 92:2821
93:2911 94:4167 95:5488 96:1428 97:325 98:997
99:740 100:71 101:1323 102:4205 103:32576 104:4836
105:2229 106:999 107:2611 108:1217 109:4047 110:2272
111:3355 112:2064 113:1827 114:1966 115:2216 116:2096
117:2748 118:2875 119:2004 120:1905 121:1433 122:2885
123:2380 124:1686 125:2911 126:88 128:1610 129:1038
130:1324 131:2064 132:896 133:451 134:1529 135:375
136:1286 137:1170 138:3240 139:1636 140:1575 141:1502
142:1870 143:1765 144:1064 145:520 146:2179 147:2101
148:2645 149:2982 150:1261 151:2037 152:2126 153:574
154:8154 155:1644 156:3308 157:1936 158:1278 159:2434
160:3663 161:1983 162:3740 163:1985 164:1751 165:2246
166:1427 167:1919 168:4384 169:828 170:5547 171:1007
172:4481 173:3261 174:913 175:1290 176:3830 177:6138
178:4002 179:2785 180:2656 181:4227 182:3379 183:2052
184:2303 185:21802 186:5690 187:5002 188:4358 189:4603
190:9976 191:2100 192:11233 193:9491 194:7901 195:5682
196:3633 197:3952 198:6241 199:8461 200:8764 201:6568
202:10896 203:10774 204:4594 205:3707 206:4698 207:3581
208:4224 209:5286 210:4889 211:2628 212:4607 213:3884
214:1051 215:48 216:6686 217:3182 218:1386 219:550
220:2082 221:1072 222:851 223:2339
End of report
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