[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jun 7 22:45:37 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 07 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: 1037499
Prefixes after maximum aggregation (per Origin AS): 383624
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 483221
Total ASes present in the Internet Routing Table: 77023
Prefixes per ASN: 13.47
Origin-only ASes present in the Internet Routing Table: 66296
Origin ASes announcing only one prefix: 26349
Transit ASes present in the Internet Routing Table: 10727
Transit-only ASes present in the Internet Routing Table: 538
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: 1140
Number of instances of unregistered ASNs: 1178
Number of 32-bit ASNs allocated by the RIRs: 46622
Number of 32-bit ASNs visible in the Routing Table: 38391
Prefixes from 32-bit ASNs in the Routing Table: 215593
Number of bogon 32-bit ASNs visible in the Routing Table: 151
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 446
Number of addresses announced to Internet: 3112361477
Equivalent to 185 /8s, 130 /16s and 222 /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: 350547
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266717
Total APNIC prefixes after maximum aggregation: 77776
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 258156
Unique aggregates announced from the APNIC address blocks: 104535
APNIC Region origin ASes present in the Internet Routing Table: 14649
APNIC Prefixes per ASN: 17.62
APNIC Region origin ASes announcing only one prefix: 4455
APNIC Region transit ASes present in the Internet Routing Table: 1933
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: 10147
Number of APNIC addresses announced to Internet: 749809216
Equivalent to 44 /8s, 177 /16s and 46 /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: 298780
Total ARIN prefixes after maximum aggregation: 132706
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299304
Unique aggregates announced from the ARIN address blocks: 139478
ARIN Region origin ASes present in the Internet Routing Table: 19259
ARIN Prefixes per ASN: 15.54
ARIN Region origin ASes announcing only one prefix: 7027
ARIN Region transit ASes present in the Internet Routing Table: 1917
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: 1353478912
Equivalent to 80 /8s, 172 /16s and 115 /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: 292043
Total RIPE prefixes after maximum aggregation: 135921
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 290306
Unique aggregates announced from the RIPE address blocks: 175545
RIPE Region origin ASes present in the Internet Routing Table: 28996
RIPE Prefixes per ASN: 10.01
RIPE Region origin ASes announcing only one prefix: 12034
RIPE Region transit ASes present in the Internet Routing Table: 3870
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: 731515749
Equivalent to 43 /8s, 154 /16s and 11 /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: 139279
Total LACNIC prefixes after maximum aggregation: 29735
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 135783
Unique aggregates announced from the LACNIC address blocks: 48928
LACNIC Region origin ASes present in the Internet Routing Table: 11270
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2179
LACNIC Region transit ASes present in the Internet Routing Table: 2481
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: 9222
Number of LACNIC addresses announced to Internet: 171991904
Equivalent to 10 /8s, 64 /16s and 99 /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: 39540
Total AfriNIC prefixes after maximum aggregation: 6825
AfriNIC Deaggregation factor: 5.79
Prefixes being announced from the AfriNIC address blocks: 53503
Unique aggregates announced from the AfriNIC address blocks: 14338
AfriNIC Region origin ASes present in the Internet Routing Table: 1928
AfriNIC Prefixes per ASN: 27.75
AfriNIC Region origin ASes announcing only one prefix: 654
AfriNIC Region transit ASes present in the Internet Routing Table: 367
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1296
Number of AfriNIC addresses announced to Internet: 105296896
Equivalent to 6 /8s, 70 /16s and 180 /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 4484 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 2885 855 531 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 13650 40956 5212 AMAZON-02, US
174 5306 8746 893 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 2815 230 855 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 3897 358 2075 M247, RO
12389 3123 2306 890 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 573 TELLCOM-AS, TR
212238 2250 163 1641 CDNEXT, GB
8452 1930 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 12237 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 1198 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 559 661 319 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 13650 40956 5212 AMAZON-02, US
8151 12237 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 5306 8746 893 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 12237 11654 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
18403 4484 4459 FPT-AS-AP FPT Telecom Company, VN
174 5306 4413 COGENT-174, US
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
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
395195 UNALLOCATED 8.38.115.0/24 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
/13:584 /14:1231 /15:2197 /16:14014 /17:8449 /18:14210
/19:25360 /20:46127 /21:54493 /22:115712 /23:110910 /24:640617
/25:407 /26:582 /27:1041 /28:68 /29:104 /30:18
/31:3 /32:909
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 6415 12237 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 2381 13650 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 2:1528 3:807 4:25 5:5027 6:162
7:6 8:1647 9:1 11:172 12:1360 13:440
14:2566 15:362 16:285 17:377 18:921 20:555
21:4 22:188 23:7656 24:2907 25:2 27:2835
29:19 31:3348 32:51 33:1 34:84 35:258
36:3078 37:4700 38:10494 39:913 40:173 41:4747
42:2006 43:2644 44:384 45:20125 46:5186 47:322
49:1988 50:1901 51:591 52:1603 54:321 55:1085
56:11 57:272 58:2305 59:1439 60:1171 61:3044
62:3066 63:1825 64:5514 65:2206 66:4744 67:3120
68:1152 69:4026 70:1097 71:638 72:2946 74:2838
75:1528 76:620 77:2830 78:4368 79:1733 80:2254
81:2236 82:3199 83:1480 84:1892 85:4419 86:1084
87:2421 88:3560 89:4570 90:773 91:8503 92:2730
93:2940 94:4142 95:5624 96:1476 97:315 98:982
99:697 100:73 101:1458 102:4377 103:32515 104:5120
105:2237 106:1035 107:2672 108:1267 109:4138 110:2254
111:3345 112:2153 113:1843 114:2002 115:2195 116:2119
117:2531 118:2911 119:1978 120:2009 121:1451 122:2802
123:2493 124:1704 125:2920 126:91 128:1635 129:1039
130:1342 131:2158 132:894 133:449 134:1558 135:380
136:1360 137:1191 138:3234 139:1594 140:1610 141:1499
142:1946 143:1937 144:1148 145:541 146:2209 147:2124
148:2727 149:2962 150:1263 151:1950 152:2111 153:587
154:7788 155:2010 156:3074 157:1934 158:1334 159:2498
160:3975 161:1908 162:3835 163:2211 164:1921 165:2267
166:1494 167:1978 168:4584 169:823 170:5567 171:1023
172:4466 173:3345 174:919 175:1302 176:3842 177:6042
178:3900 179:2727 180:2707 181:4315 182:3447 183:2163
184:2125 185:21907 186:5938 187:5095 188:4367 189:4662
190:10037 191:2029 192:11351 193:9542 194:7921 195:5720
196:3651 197:3935 198:6248 199:8581 200:8822 201:6631
202:10744 203:10782 204:4602 205:3682 206:4535 207:3623
208:4263 209:5268 210:4926 211:2633 212:4794 213:3887
214:1028 215:48 216:6859 217:3228 218:1419 219:558
220:2095 221:1126 222:855 223:2498
End of report
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