[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jun 5 21:39:00 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 05 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: 984309
Prefixes after maximum aggregation (per Origin AS): 379651
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 481757
Number of IPv4 prefixes with a valid ROA: 548892
Number of IPv4 prefixes with an invalid ROA: 188
Number of IPv4 prefixes with no ROA: 435229
Total ASes present in the Internet Routing Table: 76927
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65916
Origin ASes announcing only one prefix: 26950
Transit ASes present in the Internet Routing Table: 11011
Transit-only ASes present in the Internet Routing Table: 548
Paths with bogon ASNs present in the IPv4 Routing Table: 316
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: 1149
Number of instances of unregistered ASNs: 1183
Number of 32-bit ASNs allocated by the RIRs: 46582
Number of 32-bit ASNs visible in the Routing Table: 38317
Prefixes from 32-bit ASNs in the Routing Table: 202840
Number of bogon 32-bit ASNs visible in the Routing Table: 100
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 443
Number of addresses announced to Internet: 3108832768
Equivalent to 185 /8s, 77 /16s and 6 /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: 322298
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258035
Total APNIC prefixes after maximum aggregation: 76982
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249598
Unique aggregates announced from the APNIC address blocks: 104273
APNIC Region origin ASes present in the Internet Routing Table: 14605
APNIC Prefixes per ASN: 17.09
APNIC Region origin ASes announcing only one prefix: 4464
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: 10128
Number of APNIC addresses announced to Internet: 747843584
Equivalent to 44 /8s, 147 /16s and 48 /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: 290767
Total ARIN prefixes after maximum aggregation: 131090
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292588
Unique aggregates announced from the ARIN address blocks: 139434
ARIN Region origin ASes present in the Internet Routing Table: 19249
ARIN Prefixes per ASN: 15.20
ARIN Region origin ASes announcing only one prefix: 7043
ARIN Region transit ASes present in the Internet Routing Table: 1985
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: 5227
Number of ARIN addresses announced to Internet: 1352780544
Equivalent to 80 /8s, 161 /16s and 203 /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: 274988
Total RIPE prefixes after maximum aggregation: 134599
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273377
Unique aggregates announced from the RIPE address blocks: 175175
RIPE Region origin ASes present in the Internet Routing Table: 28925
RIPE Prefixes per ASN: 9.45
RIPE Region origin ASes announcing only one prefix: 12059
RIPE Region transit ASes present in the Internet Routing Table: 3979
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12469
Number of RIPE addresses announced to Internet: 731172352
Equivalent to 43 /8s, 148 /16s and 206 /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: 124088
Total LACNIC prefixes after maximum aggregation: 29547
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120432
Unique aggregates announced from the LACNIC address blocks: 48913
LACNIC Region origin ASes present in the Internet Routing Table: 11257
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: 2510
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: 171891712
Equivalent to 10 /8s, 62 /16s and 220 /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: 35282
Total AfriNIC prefixes after maximum aggregation: 6702
AfriNIC Deaggregation factor: 5.26
Prefixes being announced from the AfriNIC address blocks: 47870
Unique aggregates announced from the AfriNIC address blocks: 13563
AfriNIC Region origin ASes present in the Internet Routing Table: 1920
AfriNIC Prefixes per ASN: 24.93
AfriNIC Region origin ASes announcing only one prefix: 700
AfriNIC Region transit ASes present in the Internet Routing Table: 376
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: 1285
Number of AfriNIC addresses announced to Internet: 104947456
Equivalent to 6 /8s, 65 /16s and 95 /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 6181 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4428 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4302 534 304 BBIL-AP BHARTI Airtel Ltd., IN
7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3695 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3268 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2878 854 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4755 2175 434 193 TATACOMM-AS TATA Communications formerly
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
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 13633 40826 5209 AMAZON-02, US
11492 4760 316 593 CABLEONE, US
7155 3860 286 85 VIASAT-SP-BACKBONE, US
6327 3631 1320 81 SHAW, CA
22773 3620 3053 212 ASN-CXA-ALL-CCI-22773-RDC, US
174 3437 8746 891 COGENT-174, US
749 3229 54783 2480 DNIC-AS-00749, US
396982 3181 3853 423 GOOGLE-CLOUD-PLATFORM, US
16625 3144 1314 2264 AKAMAI-AS, US
36352 2815 230 855 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 7684 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4056 3395 127 AKAMAI-ASN1, NL
9009 3914 359 2089 M247, RO
12389 3108 2306 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 580 TELLCOM-AS, TR
212238 2237 162 1641 CDNEXT, GB
8452 1634 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1414 94 738 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 12177 3255 582 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2550 540 363 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1371 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 1192 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1061 69 375 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1034 2503 52 TIM SA, BR
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
29571 1614 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
24863 1387 389 17 LINKdotNET-AS, EG
36903 1248 553 105 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1050 520 44 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 553 82 3 KENET-AS, KE
15399 522 55 48 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 13633 40826 5209 AMAZON-02, US
8151 12177 3255 582 UNINET, MX
9808 11065 8756 97 CHINAMOBILE-CN China Mobile Communication
12479 7684 1714 148 UNI2-AS, ES
7545 6181 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4760 316 593 CABLEONE, US
18403 4428 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4302 534 304 BBIL-AP BHARTI Airtel Ltd., IN
20940 4056 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 12177 11595 UNINET, MX
9808 11065 10968 CHINAMOBILE-CN China Mobile Communications Grou
12479 7684 7536 UNI2-AS, ES
7545 6181 5530 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4428 4403 FPT-AS-AP FPT Telecom Company, VN
11492 4760 4167 CABLEONE, US
9498 4302 3998 BBIL-AP BHARTI Airtel Ltd., IN
20940 4056 3929 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
23.139.228.0/24 Origin: 399587 UNASSIGNED
23.139.228.0/24 Transit: 20473 AS-VULTR, 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
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 /9:14 /10:41 /11:92 /12:299
/13:583 /14:1221 /15:2162 /16:13890 /17:8260 /18:13705
/19:24613 /20:44031 /21:51742 /22:111796 /23:102566 /24:609277
/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 6603 7684 UNI2-AS, ES
8151 6377 12177 UNINET, MX
11492 3557 4760 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3427 3631 SHAW, CA
7155 2819 3860 VIASAT-SP-BACKBONE, US
22773 2746 3620 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2392 13633 AMAZON-02, US
30036 2239 2581 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)
----------------------------------------------
1:2367 2:1518 3:804 4:9 5:4711 6:162
7:6 8:1574 9:1 11:172 12:1357 13:439
14:2520 15:359 16:285 17:376 18:917 20:544
21:4 22:188 23:7610 24:2808 25:2 27:2787
29:19 31:3277 32:36 33:1 34:80 35:253
36:3055 37:4597 38:9189 39:909 40:172 41:4192
42:1962 43:2603 44:375 45:18509 46:5113 47:318
49:1937 50:1889 51:591 52:1570 54:324 55:1089
56:11 57:265 58:2212 59:1227 60:1171 61:2791
62:2938 63:1802 64:5471 65:2071 66:4652 67:3064
68:1158 69:3946 70:1138 71:636 72:2864 74:2801
75:1518 76:615 77:2696 78:1908 79:1708 80:2207
81:2056 82:3133 83:1452 84:1872 85:3444 86:1072
87:2143 88:1330 89:4404 90:770 91:8371 92:2712
93:2920 94:4042 95:4360 96:1462 97:311 98:1020
99:695 100:71 101:1407 102:3840 103:32215 104:5096
105:751 106:1035 107:2679 108:1250 109:4077 110:2240
111:3259 112:2137 113:1806 114:1980 115:2141 116:2051
117:2568 118:2900 119:1909 120:1972 121:1381 122:2768
123:2193 124:1581 125:2861 126:91 128:1613 129:964
130:1307 131:1999 132:784 133:449 134:1548 135:334
136:1343 137:1263 138:2890 139:1602 140:1598 141:1498
142:1903 143:1804 144:1139 145:527 146:2188 147:2115
148:2720 149:2891 150:1244 151:1943 152:2091 153:579
154:7460 155:1733 156:3025 157:1914 158:1321 159:2493
160:3603 161:1852 162:3787 163:2199 164:1863 165:2221
166:1493 167:1939 168:4037 169:795 170:5103 171:1011
172:4447 173:3316 174:927 175:1301 176:3704 177:4679
178:3682 179:2291 180:2625 181:4081 182:3446 183:2077
184:2115 185:21604 186:5157 187:4507 188:4240 189:4273
190:9590 191:1485 192:11283 193:9475 194:7799 195:5533
196:3271 197:3644 198:6119 199:8514 200:8213 201:6338
202:10303 203:10653 204:4546 205:3612 206:4502 207:3513
208:4253 209:5125 210:4612 211:2534 212:4576 213:3738
214:1032 215:48 216:6777 217:3147 218:1356 219:379
220:2077 221:1125 222:723 223:2447
End of report
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