[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jun 6 22:45:17 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 06 Jun, 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: 1037736
Prefixes after maximum aggregation (per Origin AS): 383683
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 483236
Total ASes present in the Internet Routing Table: 77040
Prefixes per ASN: 13.47
Origin-only ASes present in the Internet Routing Table: 66306
Origin ASes announcing only one prefix: 26347
Transit ASes present in the Internet Routing Table: 10734
Transit-only ASes present in the Internet Routing Table: 533
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: 1168
Number of instances of unregistered ASNs: 1208
Number of 32-bit ASNs allocated by the RIRs: 46606
Number of 32-bit ASNs visible in the Routing Table: 38402
Prefixes from 32-bit ASNs in the Routing Table: 215559
Number of bogon 32-bit ASNs visible in the Routing Table: 155
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 445
Number of addresses announced to Internet: 3111906053
Equivalent to 185 /8s, 123 /16s and 235 /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: 350658
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266682
Total APNIC prefixes after maximum aggregation: 77780
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 258140
Unique aggregates announced from the APNIC address blocks: 104539
APNIC Region origin ASes present in the Internet Routing Table: 14660
APNIC Prefixes per ASN: 17.61
APNIC Region origin ASes announcing only one prefix: 4457
APNIC Region transit ASes present in the Internet Routing Table: 1937
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10159
Number of APNIC addresses announced to Internet: 749822016
Equivalent to 44 /8s, 177 /16s and 96 /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: 298883
Total ARIN prefixes after maximum aggregation: 132723
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299369
Unique aggregates announced from the ARIN address blocks: 139484
ARIN Region origin ASes present in the Internet Routing Table: 19258
ARIN Prefixes per ASN: 15.55
ARIN Region origin ASes announcing only one prefix: 7026
ARIN Region transit ASes present in the Internet Routing Table: 1913
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: 5231
Number of ARIN addresses announced to Internet: 1352976384
Equivalent to 80 /8s, 164 /16s and 200 /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: 292124
Total RIPE prefixes after maximum aggregation: 135956
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 290373
Unique aggregates announced from the RIPE address blocks: 175582
RIPE Region origin ASes present in the Internet Routing Table: 29002
RIPE Prefixes per ASN: 10.01
RIPE Region origin ASes announcing only one prefix: 12036
RIPE Region transit ASes present in the Internet Routing Table: 3875
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: 12495
Number of RIPE addresses announced to Internet: 731540069
Equivalent to 43 /8s, 154 /16s and 106 /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: 139342
Total LACNIC prefixes after maximum aggregation: 29729
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135894
Unique aggregates announced from the LACNIC address blocks: 48897
LACNIC Region origin ASes present in the Internet Routing Table: 11277
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2178
LACNIC Region transit ASes present in the Internet Routing Table: 2485
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: 9226
Number of LACNIC addresses announced to Internet: 171999584
Equivalent to 10 /8s, 64 /16s and 129 /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: 39537
Total AfriNIC prefixes after maximum aggregation: 6816
AfriNIC Deaggregation factor: 5.80
Prefixes being announced from the AfriNIC address blocks: 53514
Unique aggregates announced from the AfriNIC address blocks: 14338
AfriNIC Region origin ASes present in the Internet Routing Table: 1924
AfriNIC Prefixes per ASN: 27.81
AfriNIC Region origin ASes announcing only one prefix: 650
AfriNIC Region transit ASes present in the Internet Routing Table: 365
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1291
Number of AfriNIC addresses announced to Internet: 105299456
Equivalent to 6 /8s, 70 /16s and 190 /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 11122 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6180 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4456 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4404 534 307 BBIL-AP BHARTI Airtel Ltd., IN
7552 3924 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3716 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3296 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2882 854 530 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 13658 40828 5211 AMAZON-02, US
174 5343 8746 895 COGENT-174, US
11492 4760 316 593 CABLEONE, US
7155 3863 286 85 VIASAT-SP-BACKBONE, US
6327 3632 1320 81 SHAW, CA
22773 3349 3033 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
396982 3181 3853 423 GOOGLE-CLOUD-PLATFORM, US
16625 3144 1313 2266 AKAMAI-AS, US
36352 2814 230 856 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 7685 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4070 3396 140 AKAMAI-ASN1, NL
9009 3920 359 2092 M247, RO
12389 3124 2306 890 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 573 TELLCOM-AS, TR
212238 2241 163 1645 CDNEXT, GB
8452 1931 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 12234 3255 583 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2548 540 363 Mega Cable, S.A. de C.V., MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
28573 1614 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1199 371 22 Telefonica del Peru S.A.A., PE
28202 1113 52 9 MASTER SA, BR
11664 1102 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1064 71 378 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 1780 644 27 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1634 389 17 LINKdotNET-AS, EG
29571 1614 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1519 280 ETISALAT-MISR, EG
20011 1296 205 346 INTERNET-SOLUTIONS, ZA
36903 1247 553 104 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1052 520 43 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 13658 40828 5211 AMAZON-02, US
8151 12234 3255 583 UNINET, MX
9808 11122 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7685 1714 148 UNI2-AS, ES
7545 6180 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5343 8746 895 COGENT-174, US
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4760 316 593 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 12234 11651 UNINET, MX
9808 11122 11024 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7685 7537 UNI2-AS, ES
7545 6180 5530 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 5343 4448 COGENT-174, US
18403 4456 4431 FPT-AS-AP FPT Telecom Company, VN
11492 4760 4167 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
169.254.0.0/16 38917 KOMTEL-AS, RU
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
23.155.208.0/24 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 /9:14 /10:41 /11:92 /12:299
/13:583 /14:1231 /15:2197 /16:14014 /17:8450 /18:14214
/19:25365 /20:46133 /21:54501 /22:115761 /23:110975 /24:640717
/25:407 /26:582 /27:1043 /28:67 /29:104 /30:18
/31:3 /32:908
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6604 7685 UNI2-AS, ES
8151 6412 12234 UNINET, MX
11492 3557 4760 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3427 3632 SHAW, CA
7155 2822 3863 VIASAT-SP-BACKBONE, US
22773 2498 3349 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2391 13658 AMAZON-02, US
30036 2243 2584 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2417 2:1527 3:807 4:25 5:5028 6:162
7:6 8:1647 9:1 11:172 12:1359 13:440
14:2566 15:362 16:285 17:377 18:920 20:555
21:4 22:188 23:7654 24:2908 25:2 27:2835
29:19 31:3347 32:51 33:1 34:84 35:258
36:3078 37:4699 38:10454 39:912 40:173 41:4746
42:1983 43:2644 44:382 45:20155 46:5189 47:322
49:1986 50:1902 51:591 52:1603 54:322 55:1094
56:11 57:272 58:2305 59:1450 60:1171 61:3046
62:3067 63:1825 64:5514 65:2211 66:4744 67:3118
68:1152 69:4029 70:1097 71:638 72:2948 74:2840
75:1528 76:620 77:2831 78:4368 79:1733 80:2254
81:2235 82:3199 83:1479 84:1893 85:4420 86:1084
87:2420 88:3560 89:4568 90:773 91:8506 92:2730
93:2940 94:4141 95:5624 96:1476 97:315 98:982
99:695 100:73 101:1455 102:4375 103:32521 104:5119
105:2237 106:1035 107:2672 108:1268 109:4141 110:2254
111:3345 112:2153 113:1844 114:2001 115:2195 116:2121
117:2532 118:2912 119:1976 120:2011 121:1451 122:2801
123:2491 124:1704 125:2920 126:91 128:1633 129:1038
130:1344 131:2156 132:893 133:449 134:1558 135:380
136:1359 137:1190 138:3241 139:1596 140:1610 141:1503
142:1947 143:1944 144:1146 145:540 146:2211 147:2124
148:2727 149:2964 150:1262 151:1946 152:2110 153:587
154:7819 155:2009 156:3074 157:1943 158:1335 159:2495
160:3972 161:1906 162:3836 163:2214 164:1903 165:2264
166:1493 167:1977 168:4593 169:823 170:5577 171:1015
172:4466 173:3345 174:919 175:1303 176:3847 177:6076
178:3902 179:2725 180:2707 181:4317 182:3445 183:2158
184:2125 185:21904 186:5913 187:5098 188:4373 189:4667
190:10043 191:2031 192:11355 193:9541 194:7925 195:5719
196:3651 197:3936 198:6248 199:8586 200:8827 201:6630
202:10754 203:10780 204:4599 205:3692 206:4540 207:3622
208:4264 209:5270 210:4926 211:2634 212:4794 213:3889
214:1033 215:48 216:6858 217:3228 218:1419 219:557
220:2095 221:1126 222:855 223:2494
End of report
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