[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu May 29 22:45:20 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 29 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: 1037665
Prefixes after maximum aggregation (per Origin AS): 383626
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 483877
Total ASes present in the Internet Routing Table: 77010
Prefixes per ASN: 13.47
Origin-only ASes present in the Internet Routing Table: 66271
Origin ASes announcing only one prefix: 26371
Transit ASes present in the Internet Routing Table: 10739
Transit-only ASes present in the Internet Routing Table: 534
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: 1157
Number of instances of unregistered ASNs: 1169
Number of 32-bit ASNs allocated by the RIRs: 46539
Number of 32-bit ASNs visible in the Routing Table: 38354
Prefixes from 32-bit ASNs in the Routing Table: 215171
Number of bogon 32-bit ASNs visible in the Routing Table: 92
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 468
Number of addresses announced to Internet: 3111877285
Equivalent to 185 /8s, 123 /16s and 122 /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: 350701
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266767
Total APNIC prefixes after maximum aggregation: 77786
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257849
Unique aggregates announced from the APNIC address blocks: 104541
APNIC Region origin ASes present in the Internet Routing Table: 14626
APNIC Prefixes per ASN: 17.63
APNIC Region origin ASes announcing only one prefix: 4438
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: 10125
Number of APNIC addresses announced to Internet: 749804608
Equivalent to 44 /8s, 177 /16s and 28 /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: 298193
Total ARIN prefixes after maximum aggregation: 132780
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299110
Unique aggregates announced from the ARIN address blocks: 140062
ARIN Region origin ASes present in the Internet Routing Table: 19258
ARIN Prefixes per ASN: 15.53
ARIN Region origin ASes announcing only one prefix: 7031
ARIN Region transit ASes present in the Internet Routing Table: 1899
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: 1352558592
Equivalent to 80 /8s, 158 /16s and 104 /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: 291595
Total RIPE prefixes after maximum aggregation: 135753
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 289708
Unique aggregates announced from the RIPE address blocks: 175351
RIPE Region origin ASes present in the Internet Routing Table: 29010
RIPE Prefixes per ASN: 9.99
RIPE Region origin ASes announcing only one prefix: 12054
RIPE Region transit ASes present in the Internet Routing Table: 3889
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: 12487
Number of RIPE addresses announced to Internet: 731908709
Equivalent to 43 /8s, 160 /16s and 10 /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: 140329
Total LACNIC prefixes after maximum aggregation: 29810
LACNIC Deaggregation factor: 4.71
Prefixes being announced from the LACNIC address blocks: 136124
Unique aggregates announced from the LACNIC address blocks: 49062
LACNIC Region origin ASes present in the Internet Routing Table: 11271
LACNIC Prefixes per ASN: 12.08
LACNIC Region origin ASes announcing only one prefix: 2197
LACNIC Region transit ASes present in the Internet Routing Table: 2487
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: 9224
Number of LACNIC addresses announced to Internet: 172091648
Equivalent to 10 /8s, 65 /16s and 233 /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: 39624
Total AfriNIC prefixes after maximum aggregation: 6820
AfriNIC Deaggregation factor: 5.81
Prefixes being announced from the AfriNIC address blocks: 54405
Unique aggregates announced from the AfriNIC address blocks: 14447
AfriNIC Region origin ASes present in the Internet Routing Table: 1923
AfriNIC Prefixes per ASN: 28.29
AfriNIC Region origin ASes announcing only one prefix: 651
AfriNIC Region transit ASes present in the Internet Routing Table: 369
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: 1291
Number of AfriNIC addresses announced to Internet: 105303040
Equivalent to 6 /8s, 70 /16s and 204 /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 11127 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 4385 533 303 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 2878 854 531 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 13565 40829 5191 AMAZON-02, US
174 5342 8747 897 COGENT-174, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3631 1320 81 SHAW, CA
22773 3361 3049 171 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
396982 3175 3853 420 GOOGLE-CLOUD-PLATFORM, US
16625 3140 1305 2255 AKAMAI-AS, US
36352 2819 230 854 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 7727 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4085 3396 140 AKAMAI-ASN1, NL
9009 3914 358 2079 M247, RO
12389 3081 2306 890 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 573 TELLCOM-AS, TR
212238 2221 161 1635 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 12478 3274 680 UNINET, MX
10620 3500 480 1017 Telmex Colombia S.A., CO
13999 2511 540 361 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1604 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 1113 52 9 MASTER SA, BR
11664 1097 278 33 Techtel LMDS Comunicaciones Interactivas
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 1652 389 16 LINKdotNET-AS, EG
37457 1636 316 32 Telkom-Internet, ZA
29571 1610 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 1056 523 46 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 13565 40829 5191 AMAZON-02, US
8151 12478 3274 680 UNINET, MX
9808 11127 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7727 1714 148 UNI2-AS, ES
7545 6178 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5342 8747 897 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 12478 11798 UNINET, MX
9808 11127 11029 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7727 7579 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 5342 4445 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 /12:298
/13:583 /14:1231 /15:2198 /16:14020 /17:8449 /18:14210
/19:25388 /20:46121 /21:54495 /22:115683 /23:110780 /24:640694
/25:593 /26:588 /27:1056 /28:68 /29:106 /30:18
/31:3 /32:917
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6640 7727 UNI2-AS, ES
8151 6612 12478 UNINET, MX
11492 3532 4735 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3426 3631 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2507 3361 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2386 13565 AMAZON-02, US
30036 2237 2578 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2418 2:1532 3:796 4:25 5:5023 6:162
7:6 8:1651 9:1 11:172 12:1364 13:433
14:2568 15:357 16:285 17:377 18:920 20:553
21:4 22:188 23:7632 24:2908 25:2 27:2833
29:19 31:3357 32:51 33:1 34:84 35:216
36:3083 37:4726 38:10455 39:912 40:171 41:4767
42:1980 43:2630 44:385 45:20166 46:5158 47:305
49:1956 50:1905 51:591 52:1600 54:320 55:1098
56:11 57:272 58:2312 59:1440 60:1168 61:3046
62:3053 63:1826 64:5518 65:2204 66:4763 67:3126
68:1158 69:4020 70:1100 71:643 72:2953 74:2826
75:1531 76:621 77:2820 78:4371 79:1710 80:2246
81:2263 82:3176 83:1485 84:1889 85:4404 86:1071
87:2410 88:3553 89:4570 90:779 91:8495 92:2740
93:2936 94:4149 95:5612 96:1474 97:325 98:981
99:689 100:72 101:1449 102:4404 103:32530 104:5086
105:2240 106:1036 107:2663 108:1267 109:4111 110:2256
111:3351 112:2136 113:1840 114:1997 115:2242 116:2105
117:2540 118:2896 119:1981 120:2003 121:1447 122:2794
123:2428 124:1700 125:2914 126:91 128:1641 129:1038
130:1351 131:2149 132:898 133:449 134:1554 135:379
136:1361 137:1189 138:3242 139:1598 140:1605 141:1505
142:1952 143:1910 144:1151 145:515 146:2216 147:2116
148:2713 149:2952 150:1256 151:1938 152:2114 153:568
154:8356 155:2013 156:3320 157:1941 158:1337 159:2484
160:3952 161:1888 162:3809 163:2206 164:1790 165:2259
166:1491 167:1969 168:4626 169:822 170:5555 171:1014
172:4468 173:3333 174:918 175:1303 176:3834 177:6151
178:3840 179:2798 180:2683 181:4319 182:3445 183:2144
184:2126 185:21889 186:5916 187:5137 188:4369 189:4688
190:9999 191:2054 192:11347 193:9525 194:7912 195:5717
196:3657 197:3934 198:6248 199:8564 200:8795 201:6611
202:10781 203:10773 204:4594 205:3668 206:4546 207:3607
208:4279 209:5269 210:4926 211:2637 212:4780 213:3888
214:1026 215:48 216:6838 217:3206 218:1412 219:557
220:2095 221:1108 222:855 223:2421
End of report
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