[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jun 4 21:39:12 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Wed 04 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: 985201
Prefixes after maximum aggregation (per Origin AS): 379835
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 481863
Number of IPv4 prefixes with a valid ROA: 549480
Number of IPv4 prefixes with an invalid ROA: 192
Number of IPv4 prefixes with no ROA: 435529
Total ASes present in the Internet Routing Table: 76933
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65913
Origin ASes announcing only one prefix: 26957
Transit ASes present in the Internet Routing Table: 11020
Transit-only ASes present in the Internet Routing Table: 551
Paths with bogon ASNs present in the IPv4 Routing Table: 316
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: 1154
Number of instances of unregistered ASNs: 1188
Number of 32-bit ASNs allocated by the RIRs: 46565
Number of 32-bit ASNs visible in the Routing Table: 38310
Prefixes from 32-bit ASNs in the Routing Table: 203257
Number of bogon 32-bit ASNs visible in the Routing Table: 100
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 452
Number of addresses announced to Internet: 3108906752
Equivalent to 185 /8s, 78 /16s and 39 /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: 322203
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258587
Total APNIC prefixes after maximum aggregation: 77202
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249514
Unique aggregates announced from the APNIC address blocks: 104270
APNIC Region origin ASes present in the Internet Routing Table: 14611
APNIC Prefixes per ASN: 17.08
APNIC Region origin ASes announcing only one prefix: 4475
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: 10135
Number of APNIC addresses announced to Internet: 747808512
Equivalent to 44 /8s, 146 /16s and 167 /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: 290979
Total ARIN prefixes after maximum aggregation: 131145
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292486
Unique aggregates announced from the ARIN address blocks: 139398
ARIN Region origin ASes present in the Internet Routing Table: 19247
ARIN Prefixes per ASN: 15.20
ARIN Region origin ASes announcing only one prefix: 7046
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: 5227
Number of ARIN addresses announced to Internet: 1352836864
Equivalent to 80 /8s, 162 /16s and 167 /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: 274875
Total RIPE prefixes after maximum aggregation: 134544
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273271
Unique aggregates announced from the RIPE address blocks: 175193
RIPE Region origin ASes present in the Internet Routing Table: 28923
RIPE Prefixes per ASN: 9.45
RIPE Region origin ASes announcing only one prefix: 12055
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: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12455
Number of RIPE addresses announced to Internet: 731204352
Equivalent to 43 /8s, 149 /16s and 75 /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: 124071
Total LACNIC prefixes after maximum aggregation: 29525
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120414
Unique aggregates announced from the LACNIC address blocks: 48906
LACNIC Region origin ASes present in the Internet Routing Table: 11257
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2681
LACNIC Region transit ASes present in the Internet Routing Table: 2516
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: 9207
Number of LACNIC addresses announced to Internet: 171852032
Equivalent to 10 /8s, 62 /16s and 65 /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: 6691
AfriNIC Deaggregation factor: 5.31
Prefixes being announced from the AfriNIC address blocks: 49063
Unique aggregates announced from the AfriNIC address blocks: 13694
AfriNIC Region origin ASes present in the Internet Routing Table: 1923
AfriNIC Prefixes per ASN: 25.51
AfriNIC Region origin ASes announcing only one prefix: 700
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: 33
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet: 105007104
Equivalent to 6 /8s, 66 /16s and 72 /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 6178 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4423 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4303 534 304 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.,
4755 2175 434 193 TATACOMM-AS TATA Communications formerly
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 13649 40829 5209 AMAZON-02, US
11492 4760 316 593 CABLEONE, US
7155 3861 286 85 VIASAT-SP-BACKBONE, US
6327 3631 1320 81 SHAW, CA
22773 3602 3054 214 ASN-CXA-ALL-CCI-22773-RDC, US
174 3450 8746 891 COGENT-174, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3178 3853 422 GOOGLE-CLOUD-PLATFORM, US
16625 3144 1314 2264 AKAMAI-AS, US
36352 2805 229 852 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 7702 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4059 3395 127 AKAMAI-ASN1, NL
9009 3914 359 2082 M247, RO
12389 3107 2306 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 580 TELLCOM-AS, TR
212238 2223 161 1635 CDNEXT, GB
8452 1634 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1419 94 740 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 12165 3252 576 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2512 540 363 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1372 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1200 371 22 Telefonica del Peru S.A.A., PE
11664 1192 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1062 70 376 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 1780 644 27 RAYA-AS, EG
24863 1634 389 17 LINKdotNET-AS, EG
29571 1613 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 556 82 3 KENET-AS, KE
15399 522 55 48 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 13649 40829 5209 AMAZON-02, US
8151 12165 3252 576 UNINET, MX
9808 11066 8756 97 CHINAMOBILE-CN China Mobile Communication
12479 7702 1714 148 UNI2-AS, ES
7545 6178 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4760 316 593 CABLEONE, US
18403 4423 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4303 534 304 BBIL-AP BHARTI Airtel Ltd., IN
20940 4059 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 12165 11589 UNINET, MX
9808 11066 10969 CHINAMOBILE-CN China Mobile Communications Grou
12479 7702 7554 UNI2-AS, ES
7545 6178 5527 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4423 4398 FPT-AS-AP FPT Telecom Company, VN
11492 4760 4167 CABLEONE, US
9498 4303 3999 BBIL-AP BHARTI Airtel Ltd., IN
20940 4059 3932 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 /15:2162 /16:13895 /17:8258 /18:13705
/19:24619 /20:44038 /21:51750 /22:112020 /23:102535 /24:609952
/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 6618 7702 UNI2-AS, ES
8151 6370 12165 UNINET, MX
11492 3557 4760 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3427 3631 SHAW, CA
7155 2820 3861 VIASAT-SP-BACKBONE, US
22773 2726 3602 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2391 13649 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 2:1517 3:807 4:9 5:4703 6:162
7:6 8:1575 9:1 11:172 12:1359 13:437
14:2518 15:359 16:285 17:375 18:920 20:544
21:4 22:188 23:7594 24:2807 25:2 27:2783
29:19 31:3270 32:36 33:1 34:80 35:253
36:3039 37:4599 38:9165 39:909 40:171 41:4233
42:1967 43:2600 44:377 45:18621 46:5096 47:318
49:1938 50:1889 51:591 52:1569 54:324 55:1099
56:11 57:265 58:2211 59:1223 60:1168 61:2791
62:2932 63:1803 64:5454 65:2073 66:4654 67:3064
68:1163 69:3951 70:1138 71:636 72:2862 74:2804
75:1517 76:613 77:2702 78:1908 79:1706 80:2209
81:2057 82:3125 83:1453 84:1866 85:3442 86:1072
87:2141 88:1330 89:4394 90:771 91:8376 92:2714
93:2917 94:4039 95:4359 96:1463 97:312 98:1020
99:695 100:73 101:1406 102:3872 103:32219 104:5087
105:756 106:1036 107:2675 108:1250 109:4072 110:2238
111:3270 112:2128 113:1805 114:1979 115:2144 116:2056
117:2573 118:2898 119:1910 120:1972 121:1382 122:2768
123:2194 124:1581 125:2859 126:91 128:1615 129:964
130:1309 131:1990 132:786 133:449 134:1547 135:334
136:1346 137:1266 138:2883 139:1594 140:1601 141:1508
142:1911 143:1815 144:1134 145:526 146:2189 147:2116
148:2721 149:2893 150:1244 151:1948 152:2090 153:579
154:7979 155:1724 156:3345 157:1914 158:1328 159:2480
160:3601 161:1847 162:3786 163:2198 164:1779 165:2220
166:1489 167:1937 168:4040 169:796 170:5106 171:1011
172:4447 173:3313 174:928 175:1301 176:3704 177:4659
178:3683 179:2291 180:2626 181:4079 182:3448 183:2072
184:2114 185:21596 186:5158 187:4497 188:4238 189:4284
190:9585 191:1483 192:11285 193:9474 194:7794 195:5536
196:3270 197:3615 198:6115 199:8510 200:8211 201:6345
202:10298 203:10641 204:4549 205:3608 206:4496 207:3508
208:4252 209:5125 210:4608 211:2532 212:4573 213:3739
214:1032 215:48 216:6755 217:3148 218:1357 219:379
220:2076 221:1117 222:723 223:2430
End of report
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