[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue May 27 22:45:09 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 27 May, 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: 1036485
Prefixes after maximum aggregation (per Origin AS): 383343
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 482338
Total ASes present in the Internet Routing Table: 77037
Prefixes per ASN: 13.45
Origin-only ASes present in the Internet Routing Table: 66306
Origin ASes announcing only one prefix: 26364
Transit ASes present in the Internet Routing Table: 10731
Transit-only ASes present in the Internet Routing Table: 541
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.1
Max AS path length visible: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1097
Number of instances of unregistered ASNs: 1107
Number of 32-bit ASNs allocated by the RIRs: 46522
Number of 32-bit ASNs visible in the Routing Table: 38367
Prefixes from 32-bit ASNs in the Routing Table: 215009
Number of bogon 32-bit ASNs visible in the Routing Table: 88
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 462
Number of addresses announced to Internet: 3111678117
Equivalent to 185 /8s, 120 /16s and 112 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 350317
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266245
Total APNIC prefixes after maximum aggregation: 77760
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 257313
Unique aggregates announced from the APNIC address blocks: 104513
APNIC Region origin ASes present in the Internet Routing Table: 14657
APNIC Prefixes per ASN: 17.56
APNIC Region origin ASes announcing only one prefix: 4452
APNIC Region transit ASes present in the Internet Routing Table: 1928
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10154
Number of APNIC addresses announced to Internet: 749707072
Equivalent to 44 /8s, 175 /16s and 159 /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: 298168
Total ARIN prefixes after maximum aggregation: 132723
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299102
Unique aggregates announced from the ARIN address blocks: 139502
ARIN Region origin ASes present in the Internet Routing Table: 19262
ARIN Prefixes per ASN: 15.53
ARIN Region origin ASes announcing only one prefix: 7028
ARIN Region transit ASes present in the Internet Routing Table: 1906
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: 5227
Number of ARIN addresses announced to Internet: 1352825600
Equivalent to 80 /8s, 162 /16s and 123 /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: 291380
Total RIPE prefixes after maximum aggregation: 135619
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 289455
Unique aggregates announced from the RIPE address blocks: 175185
RIPE Region origin ASes present in the Internet Routing Table: 29005
RIPE Prefixes per ASN: 9.98
RIPE Region origin ASes announcing only one prefix: 12053
RIPE Region transit ASes present in the Internet Routing Table: 3878
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12481
Number of RIPE addresses announced to Internet: 731699045
Equivalent to 43 /8s, 156 /16s and 215 /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: 139983
Total LACNIC prefixes after maximum aggregation: 29771
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 135726
Unique aggregates announced from the LACNIC address blocks: 49054
LACNIC Region origin ASes present in the Internet Routing Table: 11265
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: 2486
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: 9215
Number of LACNIC addresses announced to Internet: 172006912
Equivalent to 10 /8s, 64 /16s and 158 /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: 39612
Total AfriNIC prefixes after maximum aggregation: 6817
AfriNIC Deaggregation factor: 5.81
Prefixes being announced from the AfriNIC address blocks: 54426
Unique aggregates announced from the AfriNIC address blocks: 13676
AfriNIC Region origin ASes present in the Internet Routing Table: 1921
AfriNIC Prefixes per ASN: 28.33
AfriNIC Region origin ASes announcing only one prefix: 648
AfriNIC Region transit ASes present in the Internet Routing Table: 368
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1290
Number of AfriNIC addresses announced to Internet: 105228032
Equivalent to 6 /8s, 69 /16s and 167 /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 11103 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6178 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4409 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4383 533 302 BBIL-AP BHARTI Airtel Ltd., IN
7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3715 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3293 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2874 853 532 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2208 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 13582 40830 5181 AMAZON-02, US
174 5346 8746 889 COGENT-174, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3623 1320 81 SHAW, CA
22773 3360 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
396982 3171 3852 419 GOOGLE-CLOUD-PLATFORM, US
16625 3156 1316 2266 AKAMAI-AS, US
36352 2821 230 850 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 9752 1296 1077 TTNET, TR
12479 7705 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4085 3396 140 AKAMAI-ASN1, NL
9009 3900 342 2085 M247, RO
12389 3079 2305 889 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 573 TELLCOM-AS, TR
212238 2162 152 1591 CDNEXT, GB
8452 1928 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
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 12472 3273 683 UNINET, MX
10620 3500 480 1017 Telmex Colombia S.A., CO
13999 2514 540 365 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1601 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1198 371 22 Telefonica del Peru S.A.A., PE
11664 1114 278 33 Techtel LMDS Comunicaciones Interactivas
28202 1114 52 9 Rede Brasileira de Comunicacao SA, BR
262287 1074 83 232 Latitude.sh LTDA, BR
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 1780 644 27 RAYA-AS, EG
24863 1653 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1608 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1519 280 ETISALAT-MISR, EG
20011 1297 205 347 INTERNET-SOLUTIONS, ZA
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1060 523 45 Vodafone-, EG
3741 560 661 319 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 13582 40830 5181 AMAZON-02, US
8151 12472 3273 683 UNINET, MX
9808 11103 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7705 1714 148 UNI2-AS, ES
7545 6178 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5346 8746 889 COGENT-174, US
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4735 314 586 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 12472 11789 UNINET, MX
9808 11103 11005 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7705 7557 UNI2-AS, ES
7545 6178 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4792 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5346 4457 COGENT-174, US
18403 4409 4384 FPT-AS-AP FPT Telecom Company, VN
11492 4735 4149 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
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
46639 UNALLOCATED 8.38.73.0/24 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
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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
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 /11:92 /12:299
/13:583 /14:1231 /15:2199 /16:14016 /17:8448 /18:14197
/19:25387 /20:46077 /21:54468 /22:115567 /23:110621 /24:639892
/25:584 /26:587 /27:1056 /28:68 /29:106 /30:18
/31:3 /32:912
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6620 7705 UNI2-AS, ES
8151 6607 12472 UNINET, MX
11492 3532 4735 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3418 3623 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2508 3360 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2386 13582 AMAZON-02, US
30036 2233 2574 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2414 2:1534 3:794 4:25 5:5024 6:162
7:6 8:1655 9:1 11:172 12:1364 13:437
14:2565 15:356 16:285 17:377 18:922 20:539
21:4 22:188 23:7636 24:2907 25:2 27:2830
29:19 31:3340 32:51 33:1 34:84 35:215
36:2978 37:4730 38:10451 39:910 40:171 41:4768
42:1983 43:2625 44:388 45:20196 46:5148 47:305
49:1956 50:1904 51:590 52:1596 54:320 55:1098
56:11 57:272 58:2311 59:1439 60:1168 61:3044
62:3049 63:1825 64:5530 65:2209 66:4757 67:3128
68:1158 69:4020 70:1104 71:639 72:2949 74:2833
75:1533 76:621 77:2819 78:4370 79:1695 80:2247
81:2260 82:3206 83:1483 84:1888 85:4394 86:1073
87:2411 88:3547 89:4575 90:778 91:8501 92:2737
93:2921 94:4149 95:5599 96:1474 97:326 98:981
99:690 100:71 101:1214 102:4409 103:32529 104:5077
105:2243 106:1035 107:2665 108:1264 109:4090 110:2258
111:3360 112:2123 113:1844 114:1993 115:2214 116:2104
117:2538 118:2884 119:1982 120:1980 121:1448 122:2795
123:2425 124:1701 125:2911 126:91 128:1647 129:1033
130:1353 131:2135 132:896 133:451 134:1553 135:378
136:1363 137:1187 138:3254 139:1597 140:1605 141:1506
142:1949 143:1904 144:1133 145:509 146:2211 147:2119
148:2709 149:2962 150:1224 151:1945 152:2113 153:561
154:8352 155:2010 156:3323 157:1940 158:1333 159:2454
160:3949 161:1901 162:3788 163:2204 164:1791 165:2257
166:1495 167:1933 168:4637 169:821 170:5564 171:1013
172:4472 173:3319 174:919 175:1307 176:3842 177:6158
178:3834 179:2777 180:2699 181:4279 182:3445 183:2131
184:2121 185:21891 186:5817 187:5118 188:4380 189:4705
190:9952 191:2062 192:11352 193:9554 194:7913 195:5720
196:3654 197:3932 198:6253 199:8562 200:8761 201:6622
202:10771 203:10774 204:4589 205:3684 206:4546 207:3605
208:4287 209:5269 210:4918 211:2634 212:4781 213:3887
214:1025 215:48 216:6840 217:3206 218:1409 219:556
220:2094 221:1097 222:855 223:2406
End of report
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