[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Mar 31 22:46:36 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Mon 31 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: 1034227
Prefixes after maximum aggregation (per Origin AS): 378827
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 476853
Total ASes present in the Internet Routing Table: 76898
Prefixes per ASN: 13.45
Origin-only ASes present in the Internet Routing Table: 66194
Origin ASes announcing only one prefix: 26300
Transit ASes present in the Internet Routing Table: 10704
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: 54
Max AS path prepend of ASN (135823) 50
Prefixes from unregistered ASNs in the Routing Table: 1091
Number of instances of unregistered ASNs: 1096
Number of 32-bit ASNs allocated by the RIRs: 46117
Number of 32-bit ASNs visible in the Routing Table: 38092
Prefixes from 32-bit ASNs in the Routing Table: 211489
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: 509
Number of addresses announced to Internet: 3114476645
Equivalent to 185 /8s, 163 /16s and 36 /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: 349717
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267100
Total APNIC prefixes after maximum aggregation: 77042
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 258650
Unique aggregates announced from the APNIC address blocks: 102703
APNIC Region origin ASes present in the Internet Routing Table: 14619
APNIC Prefixes per ASN: 17.69
APNIC Region origin ASes announcing only one prefix: 4441
APNIC Region transit ASes present in the Internet Routing Table: 1959
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: 10082
Number of APNIC addresses announced to Internet: 754232128
Equivalent to 44 /8s, 244 /16s and 171 /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: 296592
Total ARIN prefixes after maximum aggregation: 130308
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 296931
Unique aggregates announced from the ARIN address blocks: 137103
ARIN Region origin ASes present in the Internet Routing Table: 19262
ARIN Prefixes per ASN: 15.42
ARIN Region origin ASes announcing only one prefix: 7028
ARIN Region transit ASes present in the Internet Routing Table: 1892
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5177
Number of ARIN addresses announced to Internet: 1350262016
Equivalent to 80 /8s, 123 /16s and 93 /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: 291180
Total RIPE prefixes after maximum aggregation: 134414
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 289249
Unique aggregates announced from the RIPE address blocks: 174079
RIPE Region origin ASes present in the Internet Routing Table: 28939
RIPE Prefixes per ASN: 10.00
RIPE Region origin ASes announcing only one prefix: 11995
RIPE Region transit ASes present in the Internet Routing Table: 3862
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: 12375
Number of RIPE addresses announced to Internet: 732649893
Equivalent to 43 /8s, 171 /16s and 89 /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: 139278
Total LACNIC prefixes after maximum aggregation: 29543
LACNIC Deaggregation factor: 4.71
Prefixes being announced from the LACNIC address blocks: 136021
Unique aggregates announced from the LACNIC address blocks: 48934
LACNIC Region origin ASes present in the Internet Routing Table: 11232
LACNIC Prefixes per ASN: 12.11
LACNIC Region origin ASes announcing only one prefix: 2191
LACNIC Region transit ASes present in the Internet Routing Table: 2448
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: 9177
Number of LACNIC addresses announced to Internet: 171829376
Equivalent to 10 /8s, 61 /16s and 232 /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: 38986
Total AfriNIC prefixes after maximum aggregation: 6846
AfriNIC Deaggregation factor: 5.69
Prefixes being announced from the AfriNIC address blocks: 52865
Unique aggregates announced from the AfriNIC address blocks: 13591
AfriNIC Region origin ASes present in the Internet Routing Table: 1913
AfriNIC Prefixes per ASN: 27.63
AfriNIC Region origin ASes announcing only one prefix: 645
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: 1281
Number of AfriNIC addresses announced to Internet: 105257216
Equivalent to 6 /8s, 70 /16s and 25 /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 10373 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 4218 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3917 1332 26 VIETEL-AS-AP Viettel Group, VN
45899 3911 1890 52 VNPT-AS-VN VNPT Corp, VN
7713 3677 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
24560 2849 849 539 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 12969 39643 3981 AMAZON-02, US
174 5564 8767 969 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 3115 1311 2249 AKAMAI-AS, US
396982 2949 3649 463 GOOGLE-CLOUD-PLATFORM, US
36352 2583 213 799 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 7718 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4021 3396 142 AKAMAI-ASN1, NL
9009 3794 328 1973 M247, RO
12389 3042 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 3522 486 971 Telmex Colombia S.A., CO
13999 2511 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 1332 783 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1190 371 21 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
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 1619 389 18 LINKdotNET-AS, EG
29571 1567 102 23 ORANGE-COTE-IVOIRE, CI
36992 1428 1518 287 ETISALAT-MISR, EG
20011 1295 203 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1006 521 42 Vodafone-, EG
37069 911 1084 16 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 12969 39643 3981 AMAZON-02, US
8151 12198 3261 685 UNINET, MX
9808 10373 8921 126 CHINAMOBILE-CN China Mobile Communication
47331 9745 1294 1100 TTNET, TR
12479 7718 1714 145 UNI2-AS, ES
7545 6220 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5564 8767 969 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 12198 11513 UNINET, MX
9808 10373 10247 CHINAMOBILE-CN China Mobile Communications Grou
47331 9745 8645 TTNET, TR
12479 7718 7573 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 5564 4595 COGENT-174, US
18403 4218 4193 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
23.140.216.0/24 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
/13:586 /14:1240 /15:2209 /16:14156 /17:8621 /18:14770
/19:25664 /20:46344 /21:54980 /22:116602 /23:111106 /24:634207
/25:589 /26:589 /27:1057 /28:69 /29:106 /30:20
/31:2 /32:840
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8827 9745 TTNET, TR
12479 6647 7718 UNI2-AS, ES
8151 6342 12198 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 2325 12969 AMAZON-02, US
30036 2201 2540 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2374 2:1537 3:601 4:25 5:4905 6:163
7:6 8:1642 9:1 10:1 11:172 12:1376
13:354 14:2555 15:355 16:279 17:362 18:915
20:474 21:4 22:188 23:7402 24:3071 25:2
27:2792 29:19 31:3311 32:55 34:84 35:208
36:2424 37:4806 38:10320 39:900 40:154 41:4756
42:1924 43:2612 44:359 45:20025 46:5010 47:290
49:2005 50:1906 51:590 52:1587 54:301 55:877
56:11 57:261 58:2287 59:1408 60:1171 61:3090
62:3043 63:1854 64:5534 65:2209 66:4698 67:3089
68:1140 69:4014 70:1133 71:626 72:2926 74:2834
75:1667 76:616 77:2824 78:4260 79:1750 80:2237
81:2204 82:3086 83:1466 84:1846 85:4316 86:1050
87:2429 88:3434 89:4497 90:778 91:8450 92:2816
93:2901 94:4096 95:5502 96:1436 97:322 98:995
99:739 100:71 101:1418 102:4215 103:32509 104:4833
105:2229 106:995 107:2608 108:1219 109:4145 110:2272
111:3354 112:2065 113:1825 114:1980 115:2211 116:2093
117:2739 118:2862 119:2006 120:1904 121:1435 122:2884
123:2420 124:1685 125:2892 126:88 128:1607 129:1032
130:1312 131:2067 132:893 133:451 134:1530 135:375
136:1291 137:1165 138:3250 139:1639 140:1577 141:1492
142:1879 143:1774 144:1069 145:522 146:2183 147:2106
148:2647 149:2981 150:1261 151:2050 152:2128 153:574
154:8175 155:1644 156:3263 157:1959 158:1279 159:2437
160:3671 161:1952 162:3746 163:1995 164:1752 165:2244
166:1434 167:1916 168:4374 169:832 170:5525 171:1006
172:4491 173:3246 174:912 175:1293 176:3832 177:6129
178:4001 179:2755 180:2657 181:4339 182:3376 183:2035
184:2303 185:21803 186:6029 187:5010 188:4338 189:4609
190:9988 191:2087 192:11226 193:9496 194:7906 195:5680
196:3661 197:3885 198:6240 199:8447 200:8773 201:6596
202:10882 203:10761 204:4573 205:3706 206:4686 207:3584
208:4220 209:5283 210:4877 211:2630 212:4599 213:3894
214:1049 215:48 216:6687 217:3166 218:1387 219:550
220:2088 221:1073 222:844 223:2337
End of report
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