[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue May 20 21:39:52 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 20 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: 983357
Prefixes after maximum aggregation (per Origin AS): 378852
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479977
Number of IPv4 prefixes with a valid ROA: 546195
Number of IPv4 prefixes with an invalid ROA: 180
Number of IPv4 prefixes with no ROA: 436982
Total ASes present in the Internet Routing Table: 76855
Prefixes per ASN: 12.79
Origin-only ASes present in the Internet Routing Table: 65863
Origin ASes announcing only one prefix: 26944
Transit ASes present in the Internet Routing Table: 10992
Transit-only ASes present in the Internet Routing Table: 544
Paths with bogon ASNs present in the IPv4 Routing Table: 310
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: 1134
Number of instances of unregistered ASNs: 1140
Number of 32-bit ASNs allocated by the RIRs: 46463
Number of 32-bit ASNs visible in the Routing Table: 38222
Prefixes from 32-bit ASNs in the Routing Table: 202914
Number of bogon 32-bit ASNs visible in the Routing Table: 37
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 449
Number of addresses announced to Internet: 3108494336
Equivalent to 185 /8s, 71 /16s and 220 /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: 321511
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257817
Total APNIC prefixes after maximum aggregation: 77032
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249044
Unique aggregates announced from the APNIC address blocks: 103169
APNIC Region origin ASes present in the Internet Routing Table: 14593
APNIC Prefixes per ASN: 17.07
APNIC Region origin ASes announcing only one prefix: 4445
APNIC Region transit ASes present in the Internet Routing Table: 1955
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: 10113
Number of APNIC addresses announced to Internet: 747607808
Equivalent to 44 /8s, 143 /16s and 151 /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: 290434
Total ARIN prefixes after maximum aggregation: 130973
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 291707
Unique aggregates announced from the ARIN address blocks: 139106
ARIN Region origin ASes present in the Internet Routing Table: 19245
ARIN Prefixes per ASN: 15.16
ARIN Region origin ASes announcing only one prefix: 7056
ARIN Region transit ASes present in the Internet Routing Table: 1990
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: 5214
Number of ARIN addresses announced to Internet: 1352721152
Equivalent to 80 /8s, 160 /16s and 227 /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: 274070
Total RIPE prefixes after maximum aggregation: 134002
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 272272
Unique aggregates announced from the RIPE address blocks: 174646
RIPE Region origin ASes present in the Internet Routing Table: 28904
RIPE Prefixes per ASN: 9.42
RIPE Region origin ASes announcing only one prefix: 12056
RIPE Region transit ASes present in the Internet Routing Table: 3983
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: 12440
Number of RIPE addresses announced to Internet: 731316480
Equivalent to 43 /8s, 151 /16s and 1 /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: 124482
Total LACNIC prefixes after maximum aggregation: 29461
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 120116
Unique aggregates announced from the LACNIC address blocks: 48916
LACNIC Region origin ASes present in the Internet Routing Table: 11235
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2690
LACNIC Region transit ASes present in the Internet Routing Table: 2495
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: 9179
Number of LACNIC addresses announced to Internet: 171706112
Equivalent to 10 /8s, 60 /16s and 7 /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: 35420
Total AfriNIC prefixes after maximum aggregation: 6667
AfriNIC Deaggregation factor: 5.31
Prefixes being announced from the AfriNIC address blocks: 49768
Unique aggregates announced from the AfriNIC address blocks: 13743
AfriNIC Region origin ASes present in the Internet Routing Table: 1908
AfriNIC Prefixes per ASN: 26.08
AfriNIC Region origin ASes announcing only one prefix: 697
AfriNIC Region transit ASes present in the Internet Routing Table: 375
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: 1276
Number of AfriNIC addresses announced to Internet: 104928512
Equivalent to 6 /8s, 65 /16s and 21 /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 11093 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6172 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4470 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4286 534 301 BBIL-AP BHARTI Airtel Ltd., IN
7552 3911 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3693 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3263 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2166 434 194 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 13428 40826 5081 AMAZON-02, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
22773 3620 3053 212 ASN-CXA-ALL-CCI-22773-RDC, US
174 3473 8746 882 COGENT-174, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3165 3851 417 GOOGLE-CLOUD-PLATFORM, US
16625 3152 1320 2266 AKAMAI-AS, US
36352 2821 230 862 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 7703 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4071 3395 127 AKAMAI-ASN1, NL
9009 3790 327 2000 M247, RO
12389 3070 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2389 360 579 TELLCOM-AS, TR
212238 2148 150 1579 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 12131 3251 582 UNINET, MX
10620 3499 480 1018 Telmex Colombia S.A., CO
13999 2510 540 364 Mega Cable, S.A. de C.V., MX
11830 1996 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 1198 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
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 1653 389 17 LINKdotNET-AS, EG
29571 1600 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 555 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 13428 40826 5081 AMAZON-02, US
8151 12131 3251 582 UNINET, MX
9808 11093 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7703 1714 148 UNI2-AS, ES
7545 6172 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4735 314 586 CABLEONE, US
18403 4470 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4286 534 301 BBIL-AP BHARTI Airtel Ltd., IN
20940 4071 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 12131 11549 UNINET, MX
9808 11093 10997 CHINAMOBILE-CN China Mobile Communications Grou
12479 7703 7555 UNI2-AS, ES
7545 6172 5518 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4470 4445 FPT-AS-AP FPT Telecom Company, VN
11492 4735 4149 CABLEONE, US
9498 4286 3985 BBIL-AP BHARTI Airtel Ltd., IN
20940 4071 3944 AKAMAI-ASN1, NL
7552 3911 3885 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 /16:13974 /17:8264 /18:13707
/19:24600 /20:43892 /21:51668 /22:111863 /23:102092 /24:608861
/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 6619 7703 UNI2-AS, ES
8151 6323 12131 UNINET, MX
11492 3532 4735 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2746 3620 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2313 13428 AMAZON-02, US
30036 2231 2572 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)
----------------------------------------------
1:2363 2:1524 3:765 4:10 5:4703 6:163
7:6 8:1580 9:1 11:172 12:1364 13:425
14:2516 15:353 16:284 17:375 18:916 20:527
21:4 22:188 23:7587 24:2803 25:2 27:2775
29:19 31:3271 32:36 33:1 34:80 35:205
36:2951 37:4627 38:9136 39:911 40:169 41:4226
42:2010 43:2586 44:386 45:18550 46:5069 47:302
49:1933 50:1891 51:590 52:1560 54:317 55:1096
56:11 57:260 58:2221 59:1215 60:1167 61:2786
62:2924 63:1806 64:5475 65:2063 66:4656 67:3067
68:1157 69:3931 70:1125 71:632 72:2840 74:2775
75:1521 76:615 77:2705 78:1908 79:1704 80:2204
81:2083 82:3107 83:1432 84:1868 85:3426 86:1067
87:2139 88:1321 89:4375 90:775 91:8356 92:2697
93:2895 94:4053 95:4323 96:1462 97:312 98:1020
99:682 100:72 101:1150 102:3928 103:32204 104:5047
105:735 106:1034 107:2673 108:1219 109:4077 110:2241
111:3326 112:2090 113:1795 114:1971 115:2174 116:2044
117:2609 118:2872 119:1952 120:1945 121:1377 122:2761
123:2183 124:1589 125:2847 126:91 128:1621 129:958
130:1298 131:1970 132:784 133:451 134:1545 135:332
136:1349 137:1260 138:2893 139:1593 140:1590 141:1504
142:1900 143:1758 144:1098 145:504 146:2191 147:2107
148:2701 149:2871 150:1215 151:1934 152:2093 153:564
154:8115 155:1974 156:3264 157:1905 158:1321 159:2459
160:3827 161:1879 162:3751 163:2160 164:1699 165:2188
166:1480 167:1906 168:4296 169:798 170:5070 171:1008
172:4446 173:3288 174:923 175:1295 176:3697 177:4686
178:3633 179:2288 180:2627 181:4062 182:3436 183:2145
184:2115 185:21564 186:5151 187:4444 188:4235 189:4283
190:9532 191:1464 192:11229 193:9479 194:7778 195:5511
196:3280 197:3657 198:6100 199:8485 200:8190 201:6341
202:10281 203:10613 204:4539 205:3595 206:4507 207:3497
208:4269 209:5159 210:4591 211:2538 212:4546 213:3730
214:1027 215:48 216:6753 217:3122 218:1340 219:380
220:2079 221:1095 222:719 223:2390
End of report
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