[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 28 22:46:41 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 28 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: 1033657
Prefixes after maximum aggregation (per Origin AS): 378639
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 476545
Total ASes present in the Internet Routing Table: 76884
Prefixes per ASN: 13.44
Origin-only ASes present in the Internet Routing Table: 66183
Origin ASes announcing only one prefix: 26287
Transit ASes present in the Internet Routing Table: 10701
Transit-only ASes present in the Internet Routing Table: 549
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: 1114
Number of instances of unregistered ASNs: 1119
Number of 32-bit ASNs allocated by the RIRs: 46107
Number of 32-bit ASNs visible in the Routing Table: 38072
Prefixes from 32-bit ASNs in the Routing Table: 211503
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: 3114264165
Equivalent to 185 /8s, 159 /16s and 230 /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: 349213
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266945
Total APNIC prefixes after maximum aggregation: 76998
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 258578
Unique aggregates announced from the APNIC address blocks: 102620
APNIC Region origin ASes present in the Internet Routing Table: 14607
APNIC Prefixes per ASN: 17.70
APNIC Region origin ASes announcing only one prefix: 4434
APNIC Region transit ASes present in the Internet Routing Table: 1962
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: 10073
Number of APNIC addresses announced to Internet: 754148672
Equivalent to 44 /8s, 243 /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: 296815
Total ARIN prefixes after maximum aggregation: 130333
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 297156
Unique aggregates announced from the ARIN address blocks: 137163
ARIN Region origin ASes present in the Internet Routing Table: 19260
ARIN Prefixes per ASN: 15.43
ARIN Region origin ASes announcing only one prefix: 7020
ARIN Region transit ASes present in the Internet Routing Table: 1893
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: 5177
Number of ARIN addresses announced to Internet: 1350332416
Equivalent to 80 /8s, 124 /16s and 112 /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: 291174
Total RIPE prefixes after maximum aggregation: 134343
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 289155
Unique aggregates announced from the RIPE address blocks: 173947
RIPE Region origin ASes present in the Internet Routing Table: 28932
RIPE Prefixes per ASN: 9.99
RIPE Region origin ASes announcing only one prefix: 12001
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: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12366
Number of RIPE addresses announced to Internet: 732464549
Equivalent to 43 /8s, 168 /16s and 133 /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: 138505
Total LACNIC prefixes after maximum aggregation: 29424
LACNIC Deaggregation factor: 4.71
Prefixes being announced from the LACNIC address blocks: 135238
Unique aggregates announced from the LACNIC address blocks: 48764
LACNIC Region origin ASes present in the Internet Routing Table: 11225
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2183
LACNIC Region transit ASes present in the Internet Routing Table: 2445
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: 9171
Number of LACNIC addresses announced to Internet: 171777408
Equivalent to 10 /8s, 61 /16s and 29 /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: 39104
Total AfriNIC prefixes after maximum aggregation: 6853
AfriNIC Deaggregation factor: 5.71
Prefixes being announced from the AfriNIC address blocks: 53022
Unique aggregates announced from the AfriNIC address blocks: 13610
AfriNIC Region origin ASes present in the Internet Routing Table: 1920
AfriNIC Prefixes per ASN: 27.62
AfriNIC Region origin ASes announcing only one prefix: 649
AfriNIC Region transit ASes present in the Internet Routing Table: 369
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1285
Number of AfriNIC addresses announced to Internet: 105294848
Equivalent to 6 /8s, 70 /16s and 172 /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 6220 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4981 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4294 531 279 BBIL-AP BHARTI Airtel Ltd., IN
18403 4250 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3917 1332 26 VIETEL-AS-AP Viettel Group, VN
45899 3913 1890 52 VNPT-AS-VN VNPT Corp, VN
7713 3677 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
24560 2849 849 537 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 12966 39645 3977 AMAZON-02, US
174 5554 8767 970 COGENT-174, US
11492 4676 310 586 CABLEONE, US
7155 4173 286 83 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3390 3050 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3117 1311 2246 AKAMAI-AS, US
396982 2946 3649 460 GOOGLE-CLOUD-PLATFORM, US
36352 2581 213 795 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 7723 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4034 3396 142 AKAMAI-ASN1, NL
9009 3790 327 1969 M247, RO
12389 3041 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 11999 3247 588 UNINET, MX
10620 3522 486 971 Telmex Colombia S.A., CO
13999 2513 539 367 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 1330 782 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 371 22 Telefonica del Peru S.A.A., PE
28202 1131 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1071 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1053 70 381 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 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 12966 39645 3977 AMAZON-02, US
8151 11999 3247 588 UNINET, MX
9808 10374 8921 126 CHINAMOBILE-CN China Mobile Communication
47331 9745 1294 1100 TTNET, TR
12479 7723 1714 145 UNI2-AS, ES
7545 6220 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5554 8767 970 COGENT-174, US
4538 4981 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4676 310 586 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 11999 11411 UNINET, MX
9808 10374 10248 CHINAMOBILE-CN China Mobile Communications Grou
47331 9745 8645 TTNET, TR
12479 7723 7578 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 5554 4584 COGENT-174, US
18403 4250 4225 FPT-AS-AP FPT Telecom Company, VN
11492 4676 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
23.136.140.0/24 Origin: 11832 BANDB-ROUTING, ZZ
23.136.140.0/24 Transit: 20473 AS-VULTR, 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
/13:586 /14:1239 /15:2208 /16:14155 /17:8617 /18:14773
/19:25660 /20:46212 /21:54969 /22:116509 /23:110964 /24:634216
/25:407 /26:590 /27:1050 /28:69 /29:106 /30:20
/31:2 /32:835
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8827 9745 TTNET, TR
12479 6655 7723 UNI2-AS, ES
8151 6145 11999 UNINET, MX
11492 3529 4676 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 3120 4173 VIASAT-SP-BACKBONE, US
22773 2525 3390 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2329 12966 AMAZON-02, US
30036 2219 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)
----------------------------------------------
1:2378 2:1542 3:600 4:25 5:4894 6:163
7:6 8:1646 9:1 10:1 11:172 12:1376
13:352 14:2555 15:353 16:279 17:364 18:915
20:474 21:4 22:188 23:7408 24:3070 25:2
27:2792 29:19 31:3307 32:55 34:84 35:209
36:2424 37:4870 38:10314 39:900 40:154 41:4762
42:1936 43:2607 44:360 45:20034 46:5016 47:291
49:2004 50:1906 51:590 52:1588 54:301 55:1090
56:11 57:261 58:2287 59:1416 60:1171 61:3095
62:3044 63:1854 64:5548 65:2209 66:4673 67:3075
68:1141 69:4002 70:1131 71:628 72:2930 74:2835
75:1667 76:616 77:2826 78:4248 79:1746 80:2235
81:2205 82:3043 83:1460 84:1838 85:4324 86:1051
87:2428 88:3437 89:4500 90:779 91:8447 92:2820
93:2899 94:4154 95:5493 96:1425 97:323 98:995
99:740 100:71 101:1422 102:4213 103:32461 104:4837
105:2229 106:994 107:2607 108:1217 109:4108 110:2272
111:3345 112:2064 113:1833 114:1972 115:2201 116:2088
117:2740 118:2871 119:2005 120:1904 121:1435 122:2882
123:2418 124:1688 125:2896 126:88 128:1610 129:1037
130:1317 131:2075 132:898 133:451 134:1531 135:375
136:1290 137:1172 138:3245 139:1643 140:1575 141:1493
142:1876 143:1764 144:1064 145:522 146:2178 147:2104
148:2639 149:2977 150:1262 151:2042 152:2128 153:574
154:8183 155:1641 156:3311 157:1933 158:1277 159:2437
160:3663 161:1986 162:3742 163:1990 164:1747 165:2245
166:1429 167:1917 168:4380 169:830 170:5527 171:1007
172:4486 173:3259 174:912 175:1290 176:3828 177:6198
178:4000 179:2762 180:2659 181:4239 182:3380 183:2037
184:2305 185:21793 186:5782 187:5007 188:4336 189:4602
190:9992 191:2097 192:11226 193:9486 194:7907 195:5683
196:3663 197:3960 198:6238 199:8470 200:8780 201:6564
202:10881 203:10757 204:4572 205:3712 206:4690 207:3586
208:4222 209:5282 210:4876 211:2630 212:4598 213:3892
214:1046 215:48 216:6688 217:3173 218:1387 219:550
220:2088 221:1072 222:850 223:2336
End of report
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