[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jun 12 22:45:26 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 12 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: 1034762
Prefixes after maximum aggregation (per Origin AS): 384297
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 482698
Total ASes present in the Internet Routing Table: 77056
Prefixes per ASN: 13.43
Origin-only ASes present in the Internet Routing Table: 66304
Origin ASes announcing only one prefix: 26395
Transit ASes present in the Internet Routing Table: 10752
Transit-only ASes present in the Internet Routing Table: 547
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: 1255
Number of instances of unregistered ASNs: 1296
Number of 32-bit ASNs allocated by the RIRs: 46631
Number of 32-bit ASNs visible in the Routing Table: 38426
Prefixes from 32-bit ASNs in the Routing Table: 212945
Number of bogon 32-bit ASNs visible in the Routing Table: 159
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 449
Number of addresses announced to Internet: 3111937029
Equivalent to 185 /8s, 124 /16s and 100 /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: 349468
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267313
Total APNIC prefixes after maximum aggregation: 77754
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 258676
Unique aggregates announced from the APNIC address blocks: 104558
APNIC Region origin ASes present in the Internet Routing Table: 14659
APNIC Prefixes per ASN: 17.65
APNIC Region origin ASes announcing only one prefix: 4445
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: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10162
Number of APNIC addresses announced to Internet: 749905728
Equivalent to 44 /8s, 178 /16s and 167 /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: 298309
Total ARIN prefixes after maximum aggregation: 132975
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299629
Unique aggregates announced from the ARIN address blocks: 139398
ARIN Region origin ASes present in the Internet Routing Table: 19240
ARIN Prefixes per ASN: 15.57
ARIN Region origin ASes announcing only one prefix: 6997
ARIN Region transit ASes present in the Internet Routing Table: 1920
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: 5233
Number of ARIN addresses announced to Internet: 1353393152
Equivalent to 80 /8s, 171 /16s and 36 /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: 292491
Total RIPE prefixes after maximum aggregation: 136147
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 290832
Unique aggregates announced from the RIPE address blocks: 175909
RIPE Region origin ASes present in the Internet Routing Table: 29007
RIPE Prefixes per ASN: 10.03
RIPE Region origin ASes announcing only one prefix: 12033
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: 12515
Number of RIPE addresses announced to Internet: 731466085
Equivalent to 43 /8s, 153 /16s and 73 /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: 135778
Total LACNIC prefixes after maximum aggregation: 29804
LACNIC Deaggregation factor: 4.56
Prefixes being announced from the LACNIC address blocks: 132329
Unique aggregates announced from the LACNIC address blocks: 48870
LACNIC Region origin ASes present in the Internet Routing Table: 11271
LACNIC Prefixes per ASN: 11.74
LACNIC Region origin ASes announcing only one prefix: 2265
LACNIC Region transit ASes present in the Internet Routing Table: 2489
Average LACNIC Region AS path length visible: 3.4
Max LACNIC Region AS path length visible: 52
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9218
Number of LACNIC addresses announced to Internet: 171892832
Equivalent to 10 /8s, 62 /16s and 224 /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: 39616
Total AfriNIC prefixes after maximum aggregation: 6823
AfriNIC Deaggregation factor: 5.81
Prefixes being announced from the AfriNIC address blocks: 52846
Unique aggregates announced from the AfriNIC address blocks: 13563
AfriNIC Region origin ASes present in the Internet Routing Table: 1932
AfriNIC Prefixes per ASN: 27.35
AfriNIC Region origin ASes announcing only one prefix: 655
AfriNIC Region transit ASes present in the Internet Routing Table: 363
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1298
Number of AfriNIC addresses announced to Internet: 105069568
Equivalent to 6 /8s, 67 /16s and 60 /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 11137 8758 101 CHINAMOBILE-CN China Mobile Communication
7545 6173 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4928 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4504 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4409 534 308 BBIL-AP BHARTI Airtel Ltd., IN
7552 3925 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3716 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3297 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2887 855 532 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 13723 40942 5249 AMAZON-02, US
174 5460 8745 886 COGENT-174, US
11492 4762 316 595 CABLEONE, US
7155 3863 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 81 SHAW, CA
22773 3346 3033 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
396982 3186 3854 427 GOOGLE-CLOUD-PLATFORM, US
16625 3150 1315 2263 AKAMAI-AS, US
36352 2817 230 857 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 9755 1296 1073 TTNET, TR
12479 7704 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4083 3396 140 AKAMAI-ASN1, NL
9009 3906 359 2082 M247, RO
12389 3120 2305 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2452 364 572 TELLCOM-AS, TR
212238 2265 165 1654 CDNEXT, GB
8452 1896 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 12251 3254 579 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2493 541 360 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1407 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1200 371 22 Telefonica del Peru S.A.A., PE
11664 1111 278 33 Techtel LMDS Comunicaciones Interactivas
28202 1107 52 9 MASTER SA, BR
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 1820 644 27 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1633 389 16 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1519 280 ETISALAT-MISR, EG
20011 1296 205 346 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1068 523 46 Vodafone-, EG
36914 571 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 13723 40942 5249 AMAZON-02, US
8151 12251 3254 579 UNINET, MX
9808 11137 8758 101 CHINAMOBILE-CN China Mobile Communication
47331 9755 1296 1073 TTNET, TR
12479 7704 1714 148 UNI2-AS, ES
7545 6173 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5460 8745 886 COGENT-174, US
4538 4928 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4762 316 595 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 12251 11672 UNINET, MX
9808 11137 11036 CHINAMOBILE-CN China Mobile Communications Grou
47331 9755 8682 TTNET, TR
12479 7704 7556 UNI2-AS, ES
7545 6173 5523 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4928 4850 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5460 4574 COGENT-174, US
18403 4504 4479 FPT-AS-AP FPT Telecom Company, VN
11492 4762 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
398728 UNALLOCATED 8.10.134.0/24 174 COGENT-174, US
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
394804 UNALLOCATED 8.33.225.0/24 3356 LEVEL3, US
54338 UNALLOCATED 8.33.241.0/24 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
23.155.208.0/24 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 /12:300
/13:584 /14:1230 /15:2198 /16:14014 /17:8444 /18:14197
/19:25141 /20:46144 /21:54599 /22:115790 /23:110193 /24:638631
/25:405 /26:581 /27:1040 /28:68 /29:104 /30:17
/31:3 /32:915
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8834 9755 TTNET, TR
12479 6622 7704 UNI2-AS, ES
8151 6446 12251 UNINET, MX
11492 3559 4762 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3431 3636 SHAW, CA
7155 2822 3863 VIASAT-SP-BACKBONE, US
22773 2495 3346 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2380 13723 AMAZON-02, US
30036 2244 2585 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2419 2:1523 3:818 4:25 5:5041 6:162
7:6 8:1646 9:1 11:172 12:1354 13:453
14:2566 15:361 16:285 17:379 18:924 20:556
21:4 22:188 23:7684 24:2990 25:2 27:2837
29:19 31:3370 32:51 33:1 34:84 35:261
36:3101 37:4698 38:10600 39:910 40:167 41:4746
42:2029 43:2649 44:385 45:19595 46:5200 47:327
49:1992 50:1909 51:591 52:1602 54:328 55:1094
56:11 57:278 58:2312 59:1433 60:1171 61:3049
62:3066 63:1823 64:5522 65:2206 66:4770 67:3111
68:1155 69:4029 70:1096 71:648 72:2968 74:2835
75:1529 76:620 77:2831 78:4360 79:1743 80:2263
81:2250 82:3229 83:1481 84:1896 85:4431 86:1083
87:2423 88:3565 89:4573 90:773 91:8522 92:2750
93:2932 94:4133 95:5626 96:1480 97:316 98:983
99:698 100:73 101:1464 102:4366 103:32585 104:5162
105:2243 106:1035 107:2681 108:1259 109:4150 110:2243
111:3345 112:2151 113:1842 114:2014 115:2245 116:2124
117:2528 118:2914 119:1978 120:2038 121:1451 122:2805
123:2502 124:1705 125:2917 126:91 128:1636 129:994
130:1344 131:2109 132:881 133:449 134:1561 135:392
136:1358 137:1187 138:3052 139:1601 140:1612 141:1511
142:1946 143:1909 144:1138 145:550 146:2207 147:2113
148:2721 149:2958 150:1263 151:1972 152:2119 153:578
154:7822 155:1763 156:3066 157:1943 158:1331 159:2498
160:3706 161:1908 162:3875 163:2224 164:1910 165:2025
166:1495 167:1995 168:4247 169:826 170:5393 171:1025
172:4485 173:3357 174:922 175:1306 176:3844 177:5707
178:3923 179:2604 180:2706 181:4303 182:3443 183:2168
184:2127 185:21910 186:5740 187:4951 188:4386 189:4593
190:10014 191:1980 192:11356 193:9548 194:7927 195:5728
196:3671 197:3954 198:6250 199:8574 200:8749 201:6540
202:10758 203:10791 204:4609 205:3691 206:4549 207:3654
208:4285 209:5250 210:4925 211:2638 212:4794 213:3893
214:1028 215:48 216:6860 217:3246 218:1418 219:566
220:2148 221:1140 222:856 223:2516
End of report
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