[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat May 10 21:39:57 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sat 10 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: 981477
Prefixes after maximum aggregation (per Origin AS): 378035
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479166
Number of IPv4 prefixes with a valid ROA: 543854
Number of IPv4 prefixes with an invalid ROA: 181
Number of IPv4 prefixes with no ROA: 437442
Total ASes present in the Internet Routing Table: 76858
Prefixes per ASN: 12.77
Origin-only ASes present in the Internet Routing Table: 65850
Origin ASes announcing only one prefix: 26968
Transit ASes present in the Internet Routing Table: 11008
Transit-only ASes present in the Internet Routing Table: 544
Paths with bogon ASNs present in the IPv4 Routing Table: 312
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 61
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 1105
Number of instances of unregistered ASNs: 1111
Number of 32-bit ASNs allocated by the RIRs: 46388
Number of 32-bit ASNs visible in the Routing Table: 38205
Prefixes from 32-bit ASNs in the Routing Table: 201835
Number of bogon 32-bit ASNs visible in the Routing Table: 38
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 467
Number of addresses announced to Internet: 3108686080
Equivalent to 185 /8s, 74 /16s and 201 /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: 321763
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257167
Total APNIC prefixes after maximum aggregation: 76846
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 248465
Unique aggregates announced from the APNIC address blocks: 103220
APNIC Region origin ASes present in the Internet Routing Table: 14602
APNIC Prefixes per ASN: 17.02
APNIC Region origin ASes announcing only one prefix: 4472
APNIC Region transit ASes present in the Internet Routing Table: 1965
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: 10123
Number of APNIC addresses announced to Internet: 747509248
Equivalent to 44 /8s, 142 /16s and 22 /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: 290023
Total ARIN prefixes after maximum aggregation: 130296
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 291354
Unique aggregates announced from the ARIN address blocks: 138612
ARIN Region origin ASes present in the Internet Routing Table: 19240
ARIN Prefixes per ASN: 15.14
ARIN Region origin ASes announcing only one prefix: 7040
ARIN Region transit ASes present in the Internet Routing Table: 1992
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: 5201
Number of ARIN addresses announced to Internet: 1353174528
Equivalent to 80 /8s, 167 /16s and 206 /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: 273923
Total RIPE prefixes after maximum aggregation: 134010
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 271800
Unique aggregates announced from the RIPE address blocks: 174236
RIPE Region origin ASes present in the Internet Routing Table: 28907
RIPE Prefixes per ASN: 9.40
RIPE Region origin ASes announcing only one prefix: 12045
RIPE Region transit ASes present in the Internet Routing Table: 3984
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: 12419
Number of RIPE addresses announced to Internet: 730903040
Equivalent to 43 /8s, 144 /16s and 178 /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: 123759
Total LACNIC prefixes after maximum aggregation: 29402
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 120164
Unique aggregates announced from the LACNIC address blocks: 48857
LACNIC Region origin ASes present in the Internet Routing Table: 11236
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2711
LACNIC Region transit ASes present in the Internet Routing Table: 2487
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: 9182
Number of LACNIC addresses announced to Internet: 171750912
Equivalent to 10 /8s, 60 /16s and 182 /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: 35500
Total AfriNIC prefixes after maximum aggregation: 6782
AfriNIC Deaggregation factor: 5.23
Prefixes being announced from the AfriNIC address blocks: 49226
Unique aggregates announced from the AfriNIC address blocks: 13857
AfriNIC Region origin ASes present in the Internet Routing Table: 1914
AfriNIC Prefixes per ASN: 25.72
AfriNIC Region origin ASes announcing only one prefix: 700
AfriNIC Region transit ASes present in the Internet Routing Table: 378
Average AfriNIC Region AS path length visible: 6.2
Max AfriNIC Region AS path length visible: 61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1280
Number of AfriNIC addresses announced to Internet: 105125888
Equivalent to 6 /8s, 68 /16s and 24 /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 10798 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6161 842 655 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4391 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4272 533 298 BBIL-AP BHARTI Airtel Ltd., IN
7552 3908 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3690 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3259 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2863 852 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2188 11523 648 KIXS-AS-KR Korea Telecom, KR
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 13317 40834 4806 AMAZON-02, US
11492 4726 313 592 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
22773 3613 3052 212 ASN-CXA-ALL-CCI-22773-RDC, US
174 3449 8750 897 COGENT-174, US
749 3253 54861 2504 DNIC-AS-00749, US
396982 3146 3851 415 GOOGLE-CLOUD-PLATFORM, US
16625 3130 1314 2261 AKAMAI-AS, US
36352 2776 227 851 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 7696 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4054 3395 127 AKAMAI-ASN1, NL
9009 3793 327 1987 M247, RO
12389 3069 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2143 151 1578 CDNEXT, GB
8452 1647 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1420 94 736 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 12073 3247 582 UNINET, MX
10620 3505 481 1018 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1994 369 64 Instituto Costarricense de Electricidad y
28573 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1207 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1185 371 22 Telefonica del Peru S.A.A., PE
22884 1055 70 378 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 1744 631 30 RAYA-AS, EG
24863 1650 389 16 LINKdotNET-AS, EG
29571 1573 102 39 ORANGE-COTE-IVOIRE, CI
36992 1431 1518 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1036 523 45 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
37069 932 1099 15 MOBINIL, EG
36914 549 82 3 KENET-AS, KE
15399 528 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 13317 40834 4806 AMAZON-02, US
8151 12073 3247 582 UNINET, MX
9808 10798 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7696 1714 148 UNI2-AS, ES
7545 6161 842 655 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4726 313 592 CABLEONE, US
18403 4391 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4272 533 298 BBIL-AP BHARTI Airtel Ltd., IN
20940 4054 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 12073 11491 UNINET, MX
9808 10798 10702 CHINAMOBILE-CN China Mobile Communications Grou
12479 7696 7548 UNI2-AS, ES
7545 6161 5506 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4391 4366 FPT-AS-AP FPT Telecom Company, VN
11492 4726 4134 CABLEONE, US
9498 4272 3974 BBIL-AP BHARTI Airtel Ltd., IN
20940 4054 3927 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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /11:93 /12:300
/13:582 /14:1223 /15:2167 /16:13979 /17:8264 /18:13713
/19:24601 /20:43703 /21:51692 /22:111892 /23:101817 /24:607377
/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 6617 7696 UNI2-AS, ES
8151 6269 12073 UNINET, MX
11492 3533 4726 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2740 3613 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2320 13317 AMAZON-02, US
30036 2224 2565 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2191 3505 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)
----------------------------------------------
1:2333 2:1528 3:706 4:11 5:4672 6:162
7:6 8:1569 9:1 11:172 12:1365 13:383
14:2516 15:353 16:285 17:372 18:919 20:518
21:4 22:188 23:7552 24:2807 25:2 27:2775
29:19 31:3251 32:37 33:1 34:80 35:205
36:2757 37:4639 38:9118 39:909 40:167 41:4220
42:2000 43:2576 44:376 45:18551 46:5062 47:294
49:1929 50:1894 51:590 52:1554 54:304 55:1094
56:11 57:258 58:2215 59:1215 60:1164 61:2771
62:2920 63:1812 64:5480 65:2119 66:4674 67:3070
68:1156 69:3930 70:1146 71:639 72:2873 74:2783
75:1619 76:614 77:2734 78:1889 79:1760 80:2201
81:2053 82:3159 83:1432 84:1853 85:3444 86:1050
87:2158 88:1316 89:4360 90:774 91:8346 92:2715
93:2894 94:4023 95:4346 96:1462 97:312 98:1020
99:677 100:72 101:1154 102:3925 103:32204 104:4998
105:768 106:1033 107:2645 108:1216 109:4078 110:2231
111:3357 112:2057 113:1788 114:1968 115:2205 116:2046
117:2668 118:2892 119:1955 120:1892 121:1373 122:2754
123:2183 124:1568 125:2845 126:91 128:1606 129:955
130:1297 131:1956 132:783 133:451 134:1537 135:331
136:1308 137:1257 138:2880 139:1642 140:1580 141:1506
142:1901 143:1714 144:1091 145:504 146:2163 147:2096
148:2611 149:2854 150:1246 151:1852 152:2086 153:564
154:8106 155:1688 156:3338 157:1902 158:1301 159:2445
160:3564 161:1893 162:3736 163:2146 164:1690 165:2196
166:1476 167:1902 168:4033 169:795 170:5082 171:1010
172:4423 173:3269 174:918 175:1301 176:3672 177:4687
178:3621 179:2274 180:2621 181:4063 182:3425 183:2082
184:2114 185:21575 186:5119 187:4443 188:4225 189:4246
190:9620 191:1471 192:11250 193:9492 194:7765 195:5510
196:3296 197:3711 198:6119 199:8484 200:8214 201:6337
202:10277 203:10620 204:4522 205:3577 206:4516 207:3490
208:4282 209:5167 210:4590 211:2537 212:4533 213:3708
214:1031 215:48 216:6737 217:3130 218:1342 219:375
220:2075 221:1080 222:718 223:2362
End of report
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