[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jun 2 21:39:09 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Mon 02 Jun, 2025
IPv4 BGP Table (Global) as seen at USP.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/USP/
Analysis Summary
----------------
BGP routing table entries examined: 985581
Prefixes after maximum aggregation (per Origin AS): 379703
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 482642
Number of IPv4 prefixes with a valid ROA: 548976
Number of IPv4 prefixes with an invalid ROA: 195
Number of IPv4 prefixes with no ROA: 436410
Total ASes present in the Internet Routing Table: 76939
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65904
Origin ASes announcing only one prefix: 26972
Transit ASes present in the Internet Routing Table: 11035
Transit-only ASes present in the Internet Routing Table: 549
Paths with bogon ASNs present in the IPv4 Routing Table: 308
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 36
Max AS path prepend of ASN ( 40933) 31
Prefixes from unregistered ASNs in the Routing Table: 1150
Number of instances of unregistered ASNs: 1156
Number of 32-bit ASNs allocated by the RIRs: 46555
Number of 32-bit ASNs visible in the Routing Table: 38314
Prefixes from 32-bit ASNs in the Routing Table: 203866
Number of bogon 32-bit ASNs visible in the Routing Table: 36
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 455
Number of addresses announced to Internet: 3109391872
Equivalent to 185 /8s, 85 /16s and 142 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 322133
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258360
Total APNIC prefixes after maximum aggregation: 77166
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249393
Unique aggregates announced from the APNIC address blocks: 104229
APNIC Region origin ASes present in the Internet Routing Table: 14608
APNIC Prefixes per ASN: 17.07
APNIC Region origin ASes announcing only one prefix: 4470
APNIC Region transit ASes present in the Internet Routing Table: 1967
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 36
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10134
Number of APNIC addresses announced to Internet: 747809024
Equivalent to 44 /8s, 146 /16s and 169 /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: 291679
Total ARIN prefixes after maximum aggregation: 131111
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292409
Unique aggregates announced from the ARIN address blocks: 139386
ARIN Region origin ASes present in the Internet Routing Table: 19246
ARIN Prefixes per ASN: 15.19
ARIN Region origin ASes announcing only one prefix: 7055
ARIN Region transit ASes present in the Internet Routing Table: 1986
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5225
Number of ARIN addresses announced to Internet: 1352661760
Equivalent to 80 /8s, 159 /16s and 251 /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: 274756
Total RIPE prefixes after maximum aggregation: 134491
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273084
Unique aggregates announced from the RIPE address blocks: 175153
RIPE Region origin ASes present in the Internet Routing Table: 28937
RIPE Prefixes per ASN: 9.44
RIPE Region origin ASes announcing only one prefix: 12066
RIPE Region transit ASes present in the Internet Routing Table: 3997
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12464
Number of RIPE addresses announced to Internet: 731529216
Equivalent to 43 /8s, 154 /16s and 64 /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: 124091
Total LACNIC prefixes after maximum aggregation: 29516
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120448
Unique aggregates announced from the LACNIC address blocks: 49003
LACNIC Region origin ASes present in the Internet Routing Table: 11260
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2684
LACNIC Region transit ASes present in the Internet Routing Table: 2519
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9208
Number of LACNIC addresses announced to Internet: 171937536
Equivalent to 10 /8s, 63 /16s and 143 /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: 35545
Total AfriNIC prefixes after maximum aggregation: 6691
AfriNIC Deaggregation factor: 5.31
Prefixes being announced from the AfriNIC address blocks: 49791
Unique aggregates announced from the AfriNIC address blocks: 14466
AfriNIC Region origin ASes present in the Internet Routing Table: 1918
AfriNIC Prefixes per ASN: 25.96
AfriNIC Region origin ASes announcing only one prefix: 697
AfriNIC Region transit ASes present in the Internet Routing Table: 375
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1283
Number of AfriNIC addresses announced to Internet: 105253888
Equivalent to 6 /8s, 70 /16s and 12 /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 11065 8756 97 CHINAMOBILE-CN China Mobile Communication
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4406 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4302 534 303 BBIL-AP BHARTI Airtel Ltd., IN
7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3694 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3267 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2878 854 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2166 434 193 TATACOMM-AS TATA Communications formerly
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13580 40826 5185 AMAZON-02, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3631 1320 81 SHAW, CA
22773 3620 3054 214 ASN-CXA-ALL-CCI-22773-RDC, US
174 3438 8746 892 COGENT-174, US
749 3231 54784 2482 DNIC-AS-00749, US
396982 3176 3853 420 GOOGLE-CLOUD-PLATFORM, US
16625 3144 1314 2264 AKAMAI-AS, US
36352 2804 229 850 AS-COLOCROSSING, US
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 7711 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4068 3395 127 AKAMAI-ASN1, NL
9009 3913 357 2087 M247, RO
12389 3073 2306 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 580 TELLCOM-AS, TR
212238 2224 161 1637 CDNEXT, GB
8452 1634 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1417 94 739 CLOUVIDER Clouvider - Global ASN, GB
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12169 3254 585 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2514 540 362 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1361 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1199 371 22 Telefonica del Peru S.A.A., PE
11664 1190 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1063 70 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1042 374 163 Axtel, S.A.B. de C.V., MX
Complete listing at https://bgp.nsrc.org/REN/USP/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 17 LINKdotNET-AS, EG
29571 1611 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1050 520 44 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 534 82 3 KENET-AS, KE
15399 532 56 54 WANANCHI-, KE
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13580 40826 5185 AMAZON-02, US
8151 12169 3254 585 UNINET, MX
9808 11065 8756 97 CHINAMOBILE-CN China Mobile Communication
12479 7711 1714 148 UNI2-AS, ES
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4735 314 586 CABLEONE, US
18403 4406 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4302 534 303 BBIL-AP BHARTI Airtel Ltd., IN
20940 4068 3395 127 AKAMAI-ASN1, NL
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 12169 11584 UNINET, MX
9808 11065 10968 CHINAMOBILE-CN China Mobile Communications Grou
12479 7711 7563 UNI2-AS, ES
7545 6179 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4406 4381 FPT-AS-AP FPT Telecom Company, VN
11492 4735 4149 CABLEONE, US
9498 4302 3999 BBIL-AP BHARTI Airtel Ltd., IN
20940 4068 3941 AKAMAI-ASN1, NL
7552 3923 3897 VIETEL-AS-AP Viettel Group, VN
Complete listing at https://bgp.nsrc.org/REN/USP/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/USP/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/USP/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/USP/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 /14:1221 /15:2165 /16:13901 /17:8264 /18:13703
/19:24616 /20:44026 /21:51740 /22:112047 /23:102524 /24:610326
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 6627 7711 UNI2-AS, ES
8151 6363 12169 UNINET, MX
11492 3532 4735 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3427 3631 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2744 3620 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2374 13580 AMAZON-02, US
30036 2236 2578 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2186 3499 Telmex Colombia S.A., CO
Complete listing at https://bgp.nsrc.org/REN/USP/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2365 2:1526 3:802 4:9 5:4696 6:162
7:6 8:1575 9:1 11:172 12:1357 13:434
14:2519 15:359 16:285 17:376 18:919 20:542
21:4 22:188 23:7592 24:2808 25:2 27:2785
29:19 31:3272 32:36 33:1 34:80 35:225
36:3018 37:4607 38:9199 39:908 40:170 41:4228
42:1967 43:2599 44:379 45:18581 46:5087 47:318
49:1938 50:1885 51:591 52:1570 54:322 55:1098
56:11 57:263 58:2215 59:1222 60:1167 61:2791
62:2934 63:1804 64:5457 65:2067 66:4686 67:3064
68:1163 69:3955 70:1140 71:637 72:2863 74:2795
75:1517 76:615 77:2698 78:1909 79:1698 80:2206
81:2072 82:3116 83:1452 84:1865 85:3428 86:1069
87:2137 88:1322 89:4390 90:773 91:8380 92:2714
93:2915 94:4045 95:4359 96:1462 97:312 98:1018
99:689 100:72 101:1411 102:3875 103:32236 104:5073
105:756 106:1035 107:2674 108:1249 109:4075 110:2239
111:3269 112:2113 113:1800 114:1974 115:2143 116:2054
117:2573 118:2892 119:1910 120:1965 121:1379 122:2766
123:2193 124:1581 125:2861 126:91 128:1619 129:964
130:1316 131:1989 132:785 133:449 134:1544 135:334
136:1354 137:1263 138:2888 139:1602 140:1595 141:1509
142:1906 143:1797 144:1137 145:510 146:2193 147:2111
148:2721 149:2887 150:1242 151:1953 152:2089 153:568
154:7975 155:1981 156:3337 157:1917 158:1328 159:2479
160:3857 161:1843 162:3778 163:2193 164:1761 165:2213
166:1491 167:1930 168:4310 169:798 170:5106 171:1011
172:4444 173:3308 174:927 175:1300 176:3698 177:4671
178:3646 179:2287 180:2630 181:4082 182:3449 183:2072
184:2121 185:21576 186:5156 187:4489 188:4240 189:4278
190:9611 191:1471 192:11292 193:9478 194:7789 195:5530
196:3270 197:3606 198:6116 199:8502 200:8207 201:6334
202:10275 203:10645 204:4538 205:3604 206:4495 207:3507
208:4245 209:5112 210:4613 211:2534 212:4570 213:3733
214:1033 215:48 216:6761 217:3128 218:1348 219:379
220:2076 221:1106 222:723 223:2404
End of report
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