[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon May 19 21:39:56 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Mon 19 May, 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: 983576
Prefixes after maximum aggregation (per Origin AS): 379032
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 479595
Number of IPv4 prefixes with a valid ROA: 546158
Number of IPv4 prefixes with an invalid ROA: 180
Number of IPv4 prefixes with no ROA: 437238
Total ASes present in the Internet Routing Table: 76860
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65857
Origin ASes announcing only one prefix: 26949
Transit ASes present in the Internet Routing Table: 11003
Transit-only ASes present in the Internet Routing Table: 546
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: 102
Max AS path prepend of ASN ( 37447) 98
Prefixes from unregistered ASNs in the Routing Table: 1132
Number of instances of unregistered ASNs: 1138
Number of 32-bit ASNs allocated by the RIRs: 46452
Number of 32-bit ASNs visible in the Routing Table: 38225
Prefixes from 32-bit ASNs in the Routing Table: 202824
Number of bogon 32-bit ASNs visible in the Routing Table: 35
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 454
Number of addresses announced to Internet: 3108465408
Equivalent to 185 /8s, 71 /16s and 107 /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: 321691
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257658
Total APNIC prefixes after maximum aggregation: 77002
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 248942
Unique aggregates announced from the APNIC address blocks: 103179
APNIC Region origin ASes present in the Internet Routing Table: 14603
APNIC Prefixes per ASN: 17.05
APNIC Region origin ASes announcing only one prefix: 4452
APNIC Region transit ASes present in the Internet Routing Table: 1963
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: 10119
Number of APNIC addresses announced to Internet: 747634432
Equivalent to 44 /8s, 143 /16s and 255 /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: 290698
Total ARIN prefixes after maximum aggregation: 130797
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 291961
Unique aggregates announced from the ARIN address blocks: 138743
ARIN Region origin ASes present in the Internet Routing Table: 19242
ARIN Prefixes per ASN: 15.17
ARIN Region origin ASes announcing only one prefix: 7054
ARIN Region transit ASes present in the Internet Routing Table: 1989
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: 5213
Number of ARIN addresses announced to Internet: 1352457216
Equivalent to 80 /8s, 156 /16s and 220 /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: 274101
Total RIPE prefixes after maximum aggregation: 134093
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 272205
Unique aggregates announced from the RIPE address blocks: 174482
RIPE Region origin ASes present in the Internet Routing Table: 28897
RIPE Prefixes per ASN: 9.42
RIPE Region origin ASes announcing only one prefix: 12054
RIPE Region transit ASes present in the Internet Routing Table: 3981
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: 12435
Number of RIPE addresses announced to Internet: 731213568
Equivalent to 43 /8s, 149 /16s and 111 /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: 124365
Total LACNIC prefixes after maximum aggregation: 29624
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 119985
Unique aggregates announced from the LACNIC address blocks: 48889
LACNIC Region origin ASes present in the Internet Routing Table: 11233
LACNIC Prefixes per ASN: 10.68
LACNIC Region origin ASes announcing only one prefix: 2691
LACNIC Region transit ASes present in the Internet Routing Table: 2498
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9179
Number of LACNIC addresses announced to Internet: 171750144
Equivalent to 10 /8s, 60 /16s and 179 /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: 35622
Total AfriNIC prefixes after maximum aggregation: 6794
AfriNIC Deaggregation factor: 5.24
Prefixes being announced from the AfriNIC address blocks: 50028
Unique aggregates announced from the AfriNIC address blocks: 13902
AfriNIC Region origin ASes present in the Internet Routing Table: 1913
AfriNIC Prefixes per ASN: 26.15
AfriNIC Region origin ASes announcing only one prefix: 698
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: 102
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1279
Number of AfriNIC addresses announced to Internet: 105190144
Equivalent to 6 /8s, 69 /16s and 19 /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 10994 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6172 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4495 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4285 534 301 BBIL-AP BHARTI Airtel Ltd., IN
7552 3908 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3692 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3265 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2864 852 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2165 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 13419 40825 5073 AMAZON-02, US
11492 4726 313 592 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
22773 3621 3053 213 ASN-CXA-ALL-CCI-22773-RDC, US
174 3469 8747 883 COGENT-174, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3164 3851 416 GOOGLE-CLOUD-PLATFORM, US
16625 3153 1320 2266 AKAMAI-AS, US
36352 2824 230 868 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 7691 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4070 3395 127 AKAMAI-ASN1, NL
9009 3805 328 1986 M247, RO
12389 3069 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 581 TELLCOM-AS, TR
212238 2148 151 1580 CDNEXT, GB
8452 1628 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1422 94 737 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 12010 3248 588 UNINET, MX
10620 3499 480 1018 Telmex Colombia S.A., CO
13999 2520 540 364 Mega Cable, S.A. de C.V., MX
11830 1996 369 64 Instituto Costarricense de Electricidad y
28573 1352 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 371 22 Telefonica del Peru S.A.A., PE
22884 1061 70 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
262287 1049 83 227 Latitude.sh LTDA, BR
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 1778 632 28 RAYA-AS, EG
24863 1652 389 16 LINKdotNET-AS, EG
29571 1598 102 33 ORANGE-COTE-IVOIRE, CI
36992 1432 1519 280 ETISALAT-MISR, EG
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1036 523 46 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 13419 40825 5073 AMAZON-02, US
8151 12010 3248 588 UNINET, MX
9808 10994 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7691 1714 148 UNI2-AS, ES
7545 6172 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4726 313 592 CABLEONE, US
18403 4495 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4285 534 301 BBIL-AP BHARTI Airtel Ltd., IN
20940 4070 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 12010 11422 UNINET, MX
9808 10994 10898 CHINAMOBILE-CN China Mobile Communications Grou
12479 7691 7543 UNI2-AS, ES
7545 6172 5518 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4495 4470 FPT-AS-AP FPT Telecom Company, VN
11492 4726 4134 CABLEONE, US
9498 4285 3984 BBIL-AP BHARTI Airtel Ltd., IN
20940 4070 3943 AKAMAI-ASN1, NL
7552 3908 3882 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
23.146.16.0/24 Origin: 396281 RESERVED, ZZ
23.146.16.0/24 Transit: 7018 ATT-INTERNET4, US
23.146.19.0/24 Origin: 396281 RESERVED, ZZ
23.146.19.0/24 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 /14:1223 /15:2165 /16:13970 /17:8268 /18:13710
/19:24621 /20:43895 /21:51662 /22:111923 /23:102062 /24:609029
/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 6607 7691 UNI2-AS, ES
8151 6232 12010 UNINET, MX
11492 3532 4726 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2747 3621 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2328 13419 AMAZON-02, US
30036 2232 2573 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2185 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)
----------------------------------------------
1:2351 2:1525 3:768 4:10 5:4699 6:163
7:6 8:1580 9:1 11:172 12:1365 13:415
14:2517 15:353 16:284 17:376 18:915 20:522
21:4 22:188 23:7583 24:2803 25:2 27:2779
29:19 31:3276 32:36 33:1 34:80 35:204
36:2894 37:4625 38:9145 39:910 40:169 41:4209
42:2029 43:2585 44:385 45:18536 46:5055 47:300
49:1933 50:1894 51:590 52:1557 54:309 55:1093
56:11 57:260 58:2221 59:1215 60:1167 61:2783
62:2928 63:1812 64:5481 65:2060 66:4664 67:3068
68:1157 69:3930 70:1127 71:636 72:2845 74:2783
75:1623 76:614 77:2706 78:1900 79:1752 80:2203
81:2080 82:3133 83:1431 84:1865 85:3429 86:1066
87:2162 88:1321 89:4376 90:775 91:8346 92:2689
93:2897 94:4053 95:4316 96:1461 97:312 98:1019
99:686 100:72 101:1152 102:3921 103:32220 104:5050
105:767 106:1033 107:2672 108:1217 109:4080 110:2242
111:3321 112:2072 113:1801 114:1969 115:2176 116:2044
117:2611 118:2888 119:1959 120:1925 121:1374 122:2763
123:2183 124:1589 125:2847 126:91 128:1624 129:959
130:1300 131:1975 132:784 133:451 134:1543 135:332
136:1351 137:1255 138:2891 139:1598 140:1590 141:1507
142:1899 143:1755 144:1095 145:504 146:2159 147:2109
148:2699 149:2868 150:1215 151:1912 152:2093 153:564
154:8122 155:1972 156:3313 157:1915 158:1320 159:2451
160:3828 161:1876 162:3750 163:2156 164:1697 165:2197
166:1481 167:1908 168:4287 169:794 170:5080 171:1008
172:4450 173:3291 174:924 175:1301 176:3697 177:4669
178:3628 179:2270 180:2621 181:4069 182:3438 183:2126
184:2114 185:21561 186:5163 187:4431 188:4241 189:4214
190:9542 191:1473 192:11258 193:9480 194:7773 195:5526
196:3294 197:3663 198:6098 199:8478 200:8196 201:6343
202:10289 203:10621 204:4539 205:3606 206:4520 207:3503
208:4279 209:5164 210:4593 211:2541 212:4549 213:3738
214:1029 215:48 216:6747 217:3141 218:1342 219:380
220:2080 221:1085 222:718 223:2381
End of report
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