[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jun 1 21:38:58 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sun 01 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: 985401
Prefixes after maximum aggregation (per Origin AS): 379757
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482790
Number of IPv4 prefixes with a valid ROA: 548771
Number of IPv4 prefixes with an invalid ROA: 193
Number of IPv4 prefixes with no ROA: 436437
Total ASes present in the Internet Routing Table: 76910
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65892
Origin ASes announcing only one prefix: 26942
Transit ASes present in the Internet Routing Table: 11018
Transit-only ASes present in the Internet Routing Table: 553
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: 70
Max AS path prepend of ASN ( 37447) 66
Prefixes from unregistered ASNs in the Routing Table: 1157
Number of instances of unregistered ASNs: 1163
Number of 32-bit ASNs allocated by the RIRs: 46553
Number of 32-bit ASNs visible in the Routing Table: 38293
Prefixes from 32-bit ASNs in the Routing Table: 203872
Number of bogon 32-bit ASNs visible in the Routing Table: 36
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 455
Number of addresses announced to Internet: 3109344256
Equivalent to 185 /8s, 84 /16s and 212 /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: 322109
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258399
Total APNIC prefixes after maximum aggregation: 77160
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249440
Unique aggregates announced from the APNIC address blocks: 104291
APNIC Region origin ASes present in the Internet Routing Table: 14595
APNIC Prefixes per ASN: 17.09
APNIC Region origin ASes announcing only one prefix: 4453
APNIC Region transit ASes present in the Internet Routing Table: 1966
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: 10122
Number of APNIC addresses announced to Internet: 747827456
Equivalent to 44 /8s, 146 /16s and 241 /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: 291684
Total ARIN prefixes after maximum aggregation: 131125
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292375
Unique aggregates announced from the ARIN address blocks: 139416
ARIN Region origin ASes present in the Internet Routing Table: 19236
ARIN Prefixes per ASN: 15.20
ARIN Region origin ASes announcing only one prefix: 7053
ARIN Region transit ASes present in the Internet Routing Table: 1985
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: 5224
Number of ARIN addresses announced to Internet: 1352614656
Equivalent to 80 /8s, 159 /16s and 67 /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: 274798
Total RIPE prefixes after maximum aggregation: 134525
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273127
Unique aggregates announced from the RIPE address blocks: 175182
RIPE Region origin ASes present in the Internet Routing Table: 28935
RIPE Prefixes per ASN: 9.44
RIPE Region origin ASes announcing only one prefix: 12067
RIPE Region transit ASes present in the Internet Routing Table: 3992
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: 12461
Number of RIPE addresses announced to Internet: 731559168
Equivalent to 43 /8s, 154 /16s and 181 /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: 123863
Total LACNIC prefixes after maximum aggregation: 29523
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120242
Unique aggregates announced from the LACNIC address blocks: 49010
LACNIC Region origin ASes present in the Internet Routing Table: 11258
LACNIC Prefixes per ASN: 10.68
LACNIC Region origin ASes announcing only one prefix: 2680
LACNIC Region transit ASes present in the Internet Routing Table: 2513
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: 9213
Number of LACNIC addresses announced to Internet: 171932416
Equivalent to 10 /8s, 63 /16s and 123 /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: 6695
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 49761
Unique aggregates announced from the AfriNIC address blocks: 14486
AfriNIC Region origin ASes present in the Internet Routing Table: 1909
AfriNIC Prefixes per ASN: 26.07
AfriNIC Region origin ASes announcing only one prefix: 689
AfriNIC Region transit ASes present in the Internet Routing Table: 371
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 70
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1273
Number of AfriNIC addresses announced to Internet: 105208832
Equivalent to 6 /8s, 69 /16s and 92 /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 11065 8756 97 CHINAMOBILE-CN China Mobile Communication
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4404 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4297 533 301 BBIL-AP BHARTI Airtel Ltd., IN
7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3694 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.,
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 13582 40827 5190 AMAZON-02, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3630 1320 81 SHAW, CA
22773 3620 3054 214 ASN-CXA-ALL-CCI-22773-RDC, US
174 3439 8747 892 COGENT-174, US
749 3231 54784 2482 DNIC-AS-00749, US
396982 3176 3853 421 GOOGLE-CLOUD-PLATFORM, US
16625 3146 1314 2265 AKAMAI-AS, US
36352 2816 230 852 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 7720 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4068 3395 127 AKAMAI-ASN1, NL
9009 3898 356 2071 M247, RO
12389 3073 2306 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 580 TELLCOM-AS, TR
212238 2224 161 1637 CDNEXT, GB
8452 1634 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1417 94 739 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 12171 3254 582 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
28573 1361 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
11664 1190 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1062 70 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1035 2503 52 TIM SA, 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 1780 644 27 RAYA-AS, EG
24863 1652 389 17 LINKdotNET-AS, EG
29571 1611 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 1038 520 44 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 548 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 13582 40827 5190 AMAZON-02, US
8151 12171 3254 582 UNINET, MX
9808 11065 8756 97 CHINAMOBILE-CN China Mobile Communication
12479 7720 1714 148 UNI2-AS, ES
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4735 314 586 CABLEONE, US
18403 4404 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4297 533 301 BBIL-AP BHARTI Airtel Ltd., IN
20940 4068 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 12171 11589 UNINET, MX
9808 11065 10968 CHINAMOBILE-CN China Mobile Communications Grou
12479 7720 7572 UNI2-AS, ES
7545 6179 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4404 4379 FPT-AS-AP FPT Telecom Company, VN
11492 4735 4149 CABLEONE, US
9498 4297 3996 BBIL-AP BHARTI Airtel Ltd., IN
20940 4068 3941 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 /9:16 /10:41 /11:92 /12:299
/13:583 /14:1221 /15:2165 /16:13900 /17:8262 /18:13703
/19:24616 /20:44011 /21:51735 /22:111973 /23:102502 /24:610265
/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 6635 7720 UNI2-AS, ES
8151 6363 12171 UNINET, MX
11492 3532 4735 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3426 3630 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2744 3620 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2374 13582 AMAZON-02, US
30036 2240 2582 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 2:1526 3:801 4:9 5:4699 6:162
7:6 8:1574 9:1 11:172 12:1359 13:441
14:2520 15:360 16:285 17:376 18:920 20:542
21:4 22:188 23:7584 24:2808 25:2 27:2785
29:19 31:3284 32:36 33:1 34:80 35:214
36:3018 37:4627 38:9176 39:908 40:170 41:4228
42:1962 43:2599 44:382 45:18569 46:5095 47:318
49:1938 50:1887 51:591 52:1569 54:321 55:1096
56:11 57:263 58:2216 59:1222 60:1167 61:2792
62:2932 63:1805 64:5469 65:2067 66:4678 67:3066
68:1163 69:3943 70:1140 71:638 72:2863 74:2796
75:1519 76:615 77:2694 78:1909 79:1691 80:2206
81:2075 82:3114 83:1454 84:1866 85:3434 86:1069
87:2132 88:1322 89:4401 90:776 91:8379 92:2715
93:2917 94:4044 95:4352 96:1461 97:311 98:1018
99:689 100:72 101:1413 102:3868 103:32236 104:5074
105:756 106:1035 107:2674 108:1248 109:4072 110:2241
111:3278 112:2113 113:1805 114:1972 115:2189 116:2046
117:2576 118:2881 119:1911 120:1965 121:1379 122:2766
123:2195 124:1579 125:2859 126:91 128:1621 129:961
130:1319 131:1991 132:783 133:449 134:1544 135:333
136:1353 137:1262 138:2879 139:1595 140:1595 141:1504
142:1905 143:1792 144:1134 145:510 146:2192 147:2111
148:2694 149:2886 150:1246 151:1948 152:2092 153:568
154:8003 155:1993 156:3333 157:1915 158:1329 159:2480
160:3858 161:1846 162:3779 163:2191 164:1724 165:2217
166:1491 167:1929 168:4316 169:798 170:5104 171:1012
172:4454 173:3308 174:926 175:1300 176:3700 177:4668
178:3648 179:2294 180:2631 181:4081 182:3446 183:2073
184:2119 185:21600 186:5157 187:4490 188:4240 189:4272
190:9547 191:1463 192:11300 193:9476 194:7802 195:5537
196:3265 197:3606 198:6117 199:8507 200:8187 201:6333
202:10277 203:10649 204:4544 205:3574 206:4498 207:3513
208:4243 209:5115 210:4613 211:2534 212:4573 213:3735
214:1023 215:48 216:6759 217:3128 218:1349 219:379
220:2076 221:1106 222:723 223:2404
End of report
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