[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri May 9 21:40:07 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Fri 09 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: 981308
Prefixes after maximum aggregation (per Origin AS): 377921
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479360
Number of IPv4 prefixes with a valid ROA: 544627
Number of IPv4 prefixes with an invalid ROA: 181
Number of IPv4 prefixes with no ROA: 436500
Total ASes present in the Internet Routing Table: 76875
Prefixes per ASN: 12.76
Origin-only ASes present in the Internet Routing Table: 65855
Origin ASes announcing only one prefix: 26971
Transit ASes present in the Internet Routing Table: 11020
Transit-only ASes present in the Internet Routing Table: 549
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: 1107
Number of instances of unregistered ASNs: 1113
Number of 32-bit ASNs allocated by the RIRs: 46373
Number of 32-bit ASNs visible in the Routing Table: 38215
Prefixes from 32-bit ASNs in the Routing Table: 201919
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: 471
Number of addresses announced to Internet: 3109313024
Equivalent to 185 /8s, 84 /16s and 90 /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: 321750
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257036
Total APNIC prefixes after maximum aggregation: 76818
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 248349
Unique aggregates announced from the APNIC address blocks: 103170
APNIC Region origin ASes present in the Internet Routing Table: 14606
APNIC Prefixes per ASN: 17.00
APNIC Region origin ASes announcing only one prefix: 4472
APNIC Region transit ASes present in the Internet Routing Table: 1971
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: 10124
Number of APNIC addresses announced to Internet: 747456768
Equivalent to 44 /8s, 141 /16s and 73 /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: 289845
Total ARIN prefixes after maximum aggregation: 130222
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 291191
Unique aggregates announced from the ARIN address blocks: 138648
ARIN Region origin ASes present in the Internet Routing Table: 19243
ARIN Prefixes per ASN: 15.13
ARIN Region origin ASes announcing only one prefix: 7047
ARIN Region transit ASes present in the Internet Routing Table: 1993
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: 5202
Number of ARIN addresses announced to Internet: 1353204992
Equivalent to 80 /8s, 168 /16s and 69 /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: 274048
Total RIPE prefixes after maximum aggregation: 133990
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271932
Unique aggregates announced from the RIPE address blocks: 174312
RIPE Region origin ASes present in the Internet Routing Table: 28911
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12045
RIPE Region transit ASes present in the Internet Routing Table: 3982
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: 12424
Number of RIPE addresses announced to Internet: 731514880
Equivalent to 43 /8s, 154 /16s and 8 /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: 123737
Total LACNIC prefixes after maximum aggregation: 29407
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 120103
Unique aggregates announced from the LACNIC address blocks: 48894
LACNIC Region origin ASes present in the Internet Routing Table: 11234
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2709
LACNIC Region transit ASes present in the Internet Routing Table: 2490
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9184
Number of LACNIC addresses announced to Internet: 171773952
Equivalent to 10 /8s, 61 /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: 35535
Total AfriNIC prefixes after maximum aggregation: 6783
AfriNIC Deaggregation factor: 5.24
Prefixes being announced from the AfriNIC address blocks: 49261
Unique aggregates announced from the AfriNIC address blocks: 13950
AfriNIC Region origin ASes present in the Internet Routing Table: 1915
AfriNIC Prefixes per ASN: 25.72
AfriNIC Region origin ASes announcing only one prefix: 698
AfriNIC Region transit ASes present in the Internet Routing Table: 380
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: 1281
Number of AfriNIC addresses announced to Internet: 105138432
Equivalent to 6 /8s, 68 /16s and 73 /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 10797 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6162 842 655 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4337 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4271 533 297 BBIL-AP BHARTI Airtel Ltd., IN
7552 3908 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3688 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 13332 40824 4736 AMAZON-02, US
11492 4726 313 592 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
22773 3610 3052 208 ASN-CXA-ALL-CCI-22773-RDC, US
174 3447 8750 897 COGENT-174, US
749 3253 54861 2504 DNIC-AS-00749, US
396982 3146 3851 415 GOOGLE-CLOUD-PLATFORM, US
16625 3129 1314 2261 AKAMAI-AS, US
36352 2777 228 852 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 7694 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4054 3395 127 AKAMAI-ASN1, NL
9009 3800 328 1993 M247, RO
12389 3069 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2138 151 1579 CDNEXT, GB
8452 1647 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1420 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
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 12072 3247 582 UNINET, MX
10620 3533 486 993 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1995 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 1205 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1190 371 22 Telefonica del Peru S.A.A., PE
22884 1054 70 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1039 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 1596 103 34 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 548 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 13332 40824 4736 AMAZON-02, US
8151 12072 3247 582 UNINET, MX
9808 10797 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7694 1714 148 UNI2-AS, ES
7545 6162 842 655 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4726 313 592 CABLEONE, US
18403 4337 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4271 533 297 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 12072 11490 UNINET, MX
9808 10797 10701 CHINAMOBILE-CN China Mobile Communications Grou
12479 7694 7546 UNI2-AS, ES
7545 6162 5507 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4337 4312 FPT-AS-AP FPT Telecom Company, VN
11492 4726 4134 CABLEONE, US
9498 4271 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
/13:583 /14:1223 /15:2167 /16:13981 /17:8263 /18:13709
/19:24606 /20:43718 /21:51716 /22:111919 /23:101798 /24:607158
/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 6615 7694 UNI2-AS, ES
8151 6268 12072 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 2741 3610 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2323 13332 AMAZON-02, US
30036 2224 2565 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2199 3533 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 3:702 4:10 5:4679 6:162
7:6 8:1570 9:1 11:172 12:1366 13:381
14:2500 15:353 16:283 17:373 18:921 20:518
21:4 22:188 23:7543 24:2807 25:2 27:2776
29:19 31:3247 32:37 33:1 34:80 35:205
36:2757 37:4639 38:9115 39:909 40:167 41:4223
42:1969 43:2575 44:378 45:18571 46:5060 47:292
49:1932 50:1896 51:590 52:1558 54:308 55:1095
56:11 57:258 58:2215 59:1216 60:1164 61:2773
62:2920 63:1811 64:5481 65:2107 66:4675 67:3071
68:1156 69:3930 70:1146 71:640 72:2873 74:2782
75:1619 76:614 77:2734 78:1890 79:1757 80:2200
81:2055 82:3167 83:1432 84:1853 85:3444 86:1051
87:2158 88:1317 89:4361 90:773 91:8347 92:2715
93:2894 94:4028 95:4349 96:1462 97:312 98:1020
99:675 100:72 101:1154 102:3930 103:32196 104:4827
105:768 106:1033 107:2644 108:1217 109:4084 110:2227
111:3357 112:2055 113:1786 114:1968 115:2205 116:2046
117:2668 118:2889 119:1955 120:1892 121:1373 122:2754
123:2181 124:1568 125:2845 126:91 128:1602 129:955
130:1295 131:1951 132:780 133:451 134:1538 135:331
136:1308 137:1259 138:2885 139:1643 140:1578 141:1510
142:1902 143:1714 144:1093 145:504 146:2164 147:2100
148:2630 149:2867 150:1242 151:1850 152:2086 153:564
154:8109 155:1688 156:3346 157:1909 158:1303 159:2446
160:3575 161:1893 162:3736 163:2137 164:1699 165:2195
166:1476 167:1903 168:4035 169:795 170:5076 171:1010
172:4419 173:3265 174:918 175:1298 176:3670 177:4657
178:3626 179:2273 180:2621 181:4068 182:3424 183:2080
184:2114 185:21581 186:5112 187:4457 188:4221 189:4256
190:9620 191:1474 192:11249 193:9487 194:7763 195:5514
196:3297 197:3712 198:6126 199:8493 200:8190 201:6287
202:10285 203:10627 204:4521 205:3581 206:4519 207:3485
208:4272 209:5162 210:4588 211:2533 212:4532 213:3708
214:1030 215:48 216:6736 217:3131 218:1342 219:375
220:2076 221:1080 222:718 223:2362
End of report
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