[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jun 3 21:38:56 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 03 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: 984482
Prefixes after maximum aggregation (per Origin AS): 379680
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 481727
Number of IPv4 prefixes with a valid ROA: 548998
Number of IPv4 prefixes with an invalid ROA: 198
Number of IPv4 prefixes with no ROA: 435286
Total ASes present in the Internet Routing Table: 76915
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65891
Origin ASes announcing only one prefix: 26962
Transit ASes present in the Internet Routing Table: 11024
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: 46558
Number of 32-bit ASNs visible in the Routing Table: 38303
Prefixes from 32-bit ASNs in the Routing Table: 203230
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: 454
Number of addresses announced to Internet: 3109485824
Equivalent to 185 /8s, 86 /16s and 253 /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: 321980
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258363
Total APNIC prefixes after maximum aggregation: 77161
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249393
Unique aggregates announced from the APNIC address blocks: 104243
APNIC Region origin ASes present in the Internet Routing Table: 14609
APNIC Prefixes per ASN: 17.07
APNIC Region origin ASes announcing only one prefix: 4472
APNIC Region transit ASes present in the Internet Routing Table: 1964
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: 10136
Number of APNIC addresses announced to Internet: 747818496
Equivalent to 44 /8s, 146 /16s and 206 /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: 290886
Total ARIN prefixes after maximum aggregation: 131098
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292300
Unique aggregates announced from the ARIN address blocks: 139371
ARIN Region origin ASes present in the Internet Routing Table: 19242
ARIN Prefixes per ASN: 15.19
ARIN Region origin ASes announcing only one prefix: 7051
ARIN Region transit ASes present in the Internet Routing Table: 1988
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: 5221
Number of ARIN addresses announced to Internet: 1352866048
Equivalent to 80 /8s, 163 /16s and 25 /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: 274697
Total RIPE prefixes after maximum aggregation: 134463
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273062
Unique aggregates announced from the RIPE address blocks: 175096
RIPE Region origin ASes present in the Internet Routing Table: 28915
RIPE Prefixes per ASN: 9.44
RIPE Region origin ASes announcing only one prefix: 12055
RIPE Region transit ASes present in the Internet Routing Table: 3990
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: 12454
Number of RIPE addresses announced to Internet: 731596800
Equivalent to 43 /8s, 155 /16s and 72 /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: 123845
Total LACNIC prefixes after maximum aggregation: 29527
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120258
Unique aggregates announced from the LACNIC address blocks: 48908
LACNIC Region origin ASes present in the Internet Routing Table: 11257
LACNIC Prefixes per ASN: 10.68
LACNIC Region origin ASes announcing only one prefix: 2683
LACNIC Region transit ASes present in the Internet Routing Table: 2513
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: 9205
Number of LACNIC addresses announced to Internet: 171905024
Equivalent to 10 /8s, 63 /16s and 16 /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: 35541
Total AfriNIC prefixes after maximum aggregation: 6703
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 49014
Unique aggregates announced from the AfriNIC address blocks: 13705
AfriNIC Region origin ASes present in the Internet Routing Table: 1922
AfriNIC Prefixes per ASN: 25.50
AfriNIC Region origin ASes announcing only one prefix: 701
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: 1287
Number of AfriNIC addresses announced to Internet: 105099264
Equivalent to 6 /8s, 67 /16s and 176 /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 11066 8756 97 CHINAMOBILE-CN China Mobile Communication
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4411 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 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.,
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 13632 40828 5194 AMAZON-02, US
11492 4753 315 592 CABLEONE, US
7155 3861 286 85 VIASAT-SP-BACKBONE, US
6327 3631 1320 81 SHAW, CA
22773 3620 3054 214 ASN-CXA-ALL-CCI-22773-RDC, US
174 3435 8746 891 COGENT-174, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3176 3853 420 GOOGLE-CLOUD-PLATFORM, US
16625 3142 1313 2263 AKAMAI-AS, US
36352 2804 229 851 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 7707 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4064 3395 127 AKAMAI-ASN1, NL
9009 3910 357 2083 M247, RO
12389 3074 2306 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 580 TELLCOM-AS, TR
212238 2228 161 1638 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 12166 3253 582 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 1367 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 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 1634 389 17 LINKdotNET-AS, EG
29571 1612 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 552 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 13632 40828 5194 AMAZON-02, US
8151 12166 3253 582 UNINET, MX
9808 11066 8756 97 CHINAMOBILE-CN China Mobile Communication
12479 7707 1714 148 UNI2-AS, ES
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4753 315 592 CABLEONE, US
18403 4411 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4302 534 303 BBIL-AP BHARTI Airtel Ltd., IN
20940 4064 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 12166 11584 UNINET, MX
9808 11066 10969 CHINAMOBILE-CN China Mobile Communications Grou
12479 7707 7559 UNI2-AS, ES
7545 6179 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4411 4386 FPT-AS-AP FPT Telecom Company, VN
11492 4753 4161 CABLEONE, US
9498 4302 3999 BBIL-AP BHARTI Airtel Ltd., IN
20940 4064 3937 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 /9:14 /10:41 /11:92 /12:299
/13:583 /14:1221 /15:2165 /16:13896 /17:8262 /18:13706
/19:24609 /20:43994 /21:51748 /22:112011 /23:102383 /24:609441
/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 6624 7707 UNI2-AS, ES
8151 6366 12166 UNINET, MX
11492 3550 4753 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3427 3631 SHAW, CA
7155 2820 3861 VIASAT-SP-BACKBONE, US
22773 2744 3620 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2385 13632 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)
----------------------------------------------
1:2370 2:1524 3:806 4:9 5:4697 6:162
7:6 8:1574 9:1 11:172 12:1359 13:438
14:2519 15:359 16:285 17:375 18:918 20:544
21:4 22:188 23:7596 24:2807 25:2 27:2782
29:19 31:3273 32:36 33:1 34:80 35:252
36:3022 37:4602 38:9149 39:908 40:170 41:4215
42:1962 43:2598 44:377 45:18588 46:5096 47:318
49:1938 50:1890 51:588 52:1570 54:322 55:1053
56:11 57:263 58:2211 59:1222 60:1167 61:2790
62:2940 63:1804 64:5463 65:2072 66:4664 67:3063
68:1157 69:3930 70:1139 71:637 72:2864 74:2796
75:1515 76:615 77:2698 78:1906 79:1705 80:2199
81:2066 82:3125 83:1454 84:1858 85:3428 86:1068
87:2142 88:1330 89:4391 90:772 91:8374 92:2711
93:2911 94:4045 95:4359 96:1462 97:312 98:1019
99:695 100:73 101:1410 102:3879 103:32230 104:5070
105:756 106:1036 107:2675 108:1249 109:4076 110:2239
111:3268 112:2113 113:1805 114:1974 115:2143 116:2056
117:2571 118:2888 119:1910 120:1965 121:1379 122:2768
123:2194 124:1581 125:2859 126:91 128:1616 129:963
130:1311 131:1993 132:786 133:449 134:1550 135:334
136:1354 137:1261 138:2879 139:1600 140:1596 141:1509
142:1906 143:1805 144:1136 145:526 146:2188 147:2112
148:2714 149:2889 150:1245 151:1945 152:2090 153:579
154:7948 155:1721 156:3339 157:1917 158:1328 159:2480
160:3589 161:1841 162:3786 163:2196 164:1771 165:2213
166:1493 167:1931 168:4049 169:796 170:5112 171:1010
172:4438 173:3312 174:927 175:1301 176:3694 177:4696
178:3661 179:2288 180:2626 181:4082 182:3449 183:2071
184:2117 185:21575 186:5123 187:4496 188:4235 189:4275
190:9590 191:1471 192:11281 193:9467 194:7786 195:5530
196:3272 197:3607 198:6114 199:8507 200:8217 201:6339
202:10296 203:10634 204:4546 205:3589 206:4497 207:3507
208:4252 209:5112 210:4601 211:2532 212:4572 213:3739
214:1028 215:48 216:6769 217:3143 218:1349 219:379
220:2077 221:1106 222:723 223:2404
End of report
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