[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon May 26 22:44:56 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Mon 26 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: 1036992
Prefixes after maximum aggregation (per Origin AS): 383324
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 482239
Total ASes present in the Internet Routing Table: 77040
Prefixes per ASN: 13.46
Origin-only ASes present in the Internet Routing Table: 66313
Origin ASes announcing only one prefix: 26358
Transit ASes present in the Internet Routing Table: 10727
Transit-only ASes present in the Internet Routing Table: 539
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: 1086
Number of instances of unregistered ASNs: 1096
Number of 32-bit ASNs allocated by the RIRs: 46520
Number of 32-bit ASNs visible in the Routing Table: 38368
Prefixes from 32-bit ASNs in the Routing Table: 214991
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: 455
Number of addresses announced to Internet: 3112012837
Equivalent to 185 /8s, 125 /16s and 140 /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: 350336
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266629
Total APNIC prefixes after maximum aggregation: 77793
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257646
Unique aggregates announced from the APNIC address blocks: 104545
APNIC Region origin ASes present in the Internet Routing Table: 14669
APNIC Prefixes per ASN: 17.56
APNIC Region origin ASes announcing only one prefix: 4454
APNIC Region transit ASes present in the Internet Routing Table: 1938
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: 10161
Number of APNIC addresses announced to Internet: 749703488
Equivalent to 44 /8s, 175 /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: 298175
Total ARIN prefixes after maximum aggregation: 132720
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299148
Unique aggregates announced from the ARIN address blocks: 139497
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: 1909
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: 5224
Number of ARIN addresses announced to Internet: 1353021952
Equivalent to 80 /8s, 165 /16s and 122 /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: 291453
Total RIPE prefixes after maximum aggregation: 135596
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 289478
Unique aggregates announced from the RIPE address blocks: 175096
RIPE Region origin ASes present in the Internet Routing Table: 28999
RIPE Prefixes per ASN: 9.98
RIPE Region origin ASes announcing only one prefix: 12047
RIPE Region transit ASes present in the Internet Routing Table: 3866
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: 12477
Number of RIPE addresses announced to Internet: 731703397
Equivalent to 43 /8s, 156 /16s and 232 /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: 139961
Total LACNIC prefixes after maximum aggregation: 29743
LACNIC Deaggregation factor: 4.71
Prefixes being announced from the LACNIC address blocks: 135713
Unique aggregates announced from the LACNIC address blocks: 48997
LACNIC Region origin ASes present in the Internet Routing Table: 11264
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2180
LACNIC Region transit ASes present in the Internet Routing Table: 2482
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: 9213
Number of LACNIC addresses announced to Internet: 172009600
Equivalent to 10 /8s, 64 /16s and 168 /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: 39688
Total AfriNIC prefixes after maximum aggregation: 6821
AfriNIC Deaggregation factor: 5.82
Prefixes being announced from the AfriNIC address blocks: 54551
Unique aggregates announced from the AfriNIC address blocks: 13699
AfriNIC Region origin ASes present in the Internet Routing Table: 1926
AfriNIC Prefixes per ASN: 28.32
AfriNIC Region origin ASes announcing only one prefix: 649
AfriNIC Region transit ASes present in the Internet Routing Table: 370
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: 1293
Number of AfriNIC addresses announced to Internet: 105363456
Equivalent to 6 /8s, 71 /16s and 184 /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 11089 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6179 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4874 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4422 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4385 534 304 BBIL-AP BHARTI Airtel Ltd., IN
7552 3909 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 2872 853 537 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 13559 40830 5162 AMAZON-02, US
174 5325 8746 882 COGENT-174, US
11492 4734 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 2827 231 856 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 7721 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4085 3396 140 AKAMAI-ASN1, NL
9009 3869 338 2055 M247, RO
12389 3080 2305 889 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 573 TELLCOM-AS, TR
212238 2156 152 1585 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 12470 3271 681 UNINET, MX
10620 3500 480 1017 Telmex Colombia S.A., CO
13999 2513 540 365 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1602 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
28202 1125 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1110 278 33 Techtel LMDS Comunicaciones Interactivas
262287 1069 83 228 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 1437 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
36914 561 82 3 KENET-AS, KE
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 13559 40830 5162 AMAZON-02, US
8151 12470 3271 681 UNINET, MX
9808 11089 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7721 1714 148 UNI2-AS, ES
7545 6179 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5325 8746 882 COGENT-174, US
4538 4874 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4734 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 12470 11789 UNINET, MX
9808 11089 10991 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7721 7573 UNI2-AS, ES
7545 6179 5529 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4874 4796 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5325 4443 COGENT-174, US
18403 4422 4397 FPT-AS-AP FPT Telecom Company, VN
11492 4734 4148 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 /14:1232 /15:2199 /16:14018 /17:8454 /18:14190
/19:25388 /20:46100 /21:54482 /22:115641 /23:110617 /24:640289
/25:583 /26:589 /27:1055 /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 6636 7721 UNI2-AS, ES
8151 6607 12470 UNINET, MX
11492 3531 4734 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 2364 13559 AMAZON-02, US
30036 2231 2572 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2415 2:1537 3:790 4:25 5:5027 6:163
7:6 8:1657 9:1 11:172 12:1361 13:437
14:2566 15:356 16:285 17:377 18:922 20:539
21:4 22:188 23:7641 24:2906 25:2 27:2833
29:19 31:3342 32:51 33:1 34:84 35:213
36:2978 37:4744 38:10440 39:911 40:171 41:4783
42:1990 43:2629 44:388 45:20234 46:5141 47:305
49:1950 50:1903 51:590 52:1596 54:320 55:1097
56:11 57:271 58:2312 59:1439 60:1168 61:3043
62:3051 63:1828 64:5537 65:2209 66:4755 67:3128
68:1159 69:4025 70:1104 71:639 72:2950 74:2830
75:1533 76:621 77:2817 78:4371 79:1672 80:2247
81:2264 82:3200 83:1480 84:1889 85:4394 86:1074
87:2413 88:3552 89:4571 90:779 91:8488 92:2730
93:2919 94:4152 95:5594 96:1474 97:326 98:981
99:689 100:72 101:1451 102:4404 103:32580 104:5081
105:2243 106:1035 107:2665 108:1264 109:4097 110:2259
111:3360 112:2121 113:1839 114:1992 115:2236 116:2104
117:2538 118:2887 119:1980 120:1982 121:1449 122:2794
123:2426 124:1700 125:2913 126:91 128:1647 129:1033
130:1355 131:2130 132:898 133:451 134:1551 135:379
136:1360 137:1188 138:3269 139:1599 140:1604 141:1504
142:1950 143:1897 144:1126 145:509 146:2214 147:2119
148:2716 149:2964 150:1225 151:1948 152:2114 153:565
154:8353 155:2008 156:3331 157:1942 158:1334 159:2455
160:3951 161:1898 162:3789 163:2199 164:1794 165:2255
166:1489 167:1922 168:4643 169:822 170:5563 171:1013
172:4465 173:3327 174:921 175:1304 176:3842 177:6121
178:3835 179:2769 180:2699 181:4277 182:3445 183:2136
184:2122 185:21902 186:5794 187:5121 188:4382 189:4711
190:9939 191:2065 192:11346 193:9555 194:7921 195:5717
196:3659 197:3963 198:6258 199:8560 200:8779 201:6629
202:10781 203:10773 204:4577 205:3693 206:4549 207:3614
208:4288 209:5271 210:4917 211:2634 212:4778 213:3884
214:1026 215:48 216:6845 217:3217 218:1408 219:556
220:2094 221:1097 222:854 223:2403
End of report
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