[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jun 28 21:40:00 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sat 28 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: 987937
Prefixes after maximum aggregation (per Origin AS): 381595
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 483897
Number of IPv4 prefixes with a valid ROA: 552634
Number of IPv4 prefixes with an invalid ROA: 190
Number of IPv4 prefixes with no ROA: 435113
Total ASes present in the Internet Routing Table: 76981
Prefixes per ASN: 12.83
Origin-only ASes present in the Internet Routing Table: 65967
Origin ASes announcing only one prefix: 26910
Transit ASes present in the Internet Routing Table: 11014
Transit-only ASes present in the Internet Routing Table: 559
Paths with bogon ASNs present in the IPv4 Routing Table: 322
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 79
Max AS path prepend of ASN (133647) 73
Prefixes from unregistered ASNs in the Routing Table: 1232
Number of instances of unregistered ASNs: 1269
Number of 32-bit ASNs allocated by the RIRs: 46681
Number of 32-bit ASNs visible in the Routing Table: 38447
Prefixes from 32-bit ASNs in the Routing Table: 204751
Number of bogon 32-bit ASNs visible in the Routing Table: 106
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 450
Number of addresses announced to Internet: 3103989760
Equivalent to 185 /8s, 3 /16s and 32 /24s
Percentage of available address space announced: 83.8
Percentage of allocated address space announced: 83.8
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: 323020
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 260281
Total APNIC prefixes after maximum aggregation: 77553
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 251043
Unique aggregates announced from the APNIC address blocks: 104417
APNIC Region origin ASes present in the Internet Routing Table: 14651
APNIC Prefixes per ASN: 17.13
APNIC Region origin ASes announcing only one prefix: 4462
APNIC Region transit ASes present in the Internet Routing Table: 1957
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 79
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10184
Number of APNIC addresses announced to Internet: 747692288
Equivalent to 44 /8s, 144 /16s and 225 /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: 290654
Total ARIN prefixes after maximum aggregation: 131349
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292277
Unique aggregates announced from the ARIN address blocks: 139676
ARIN Region origin ASes present in the Internet Routing Table: 19223
ARIN Prefixes per ASN: 15.20
ARIN Region origin ASes announcing only one prefix: 7033
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: 5236
Number of ARIN addresses announced to Internet: 1348758272
Equivalent to 80 /8s, 100 /16s and 107 /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: 276341
Total RIPE prefixes after maximum aggregation: 135585
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 275009
Unique aggregates announced from the RIPE address blocks: 176640
RIPE Region origin ASes present in the Internet Routing Table: 28932
RIPE Prefixes per ASN: 9.51
RIPE Region origin ASes announcing only one prefix: 12049
RIPE Region transit ASes present in the Internet Routing Table: 3981
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: 12520
Number of RIPE addresses announced to Internet: 730889728
Equivalent to 43 /8s, 144 /16s and 126 /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: 124107
Total LACNIC prefixes after maximum aggregation: 29642
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120570
Unique aggregates announced from the LACNIC address blocks: 48992
LACNIC Region origin ASes present in the Internet Routing Table: 11275
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2675
LACNIC Region transit ASes present in the Internet Routing Table: 2505
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9224
Number of LACNIC addresses announced to Internet: 171161856
Equivalent to 10 /8s, 51 /16s and 185 /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: 35322
Total AfriNIC prefixes after maximum aggregation: 6636
AfriNIC Deaggregation factor: 5.32
Prefixes being announced from the AfriNIC address blocks: 48587
Unique aggregates announced from the AfriNIC address blocks: 13772
AfriNIC Region origin ASes present in the Internet Routing Table: 1920
AfriNIC Prefixes per ASN: 25.31
AfriNIC Region origin ASes announcing only one prefix: 691
AfriNIC Region transit ASes present in the Internet Routing Table: 380
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1283
Number of AfriNIC addresses announced to Internet: 105236224
Equivalent to 6 /8s, 69 /16s and 199 /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 11415 8759 114 CHINAMOBILE-CN China Mobile Communication
7545 6153 841 652 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4397 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4348 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3697 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3275 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2892 857 527 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2286 811 178 CMNET-JIANGSU-AP China Mobile communicati
4755 2176 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 13604 40950 5218 AMAZON-02, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
22773 3608 3037 209 ASN-CXA-ALL-CCI-22773-RDC, US
174 3452 8758 849 COGENT-174, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3193 3854 430 GOOGLE-CLOUD-PLATFORM, US
16625 3117 1309 2255 AKAMAI-AS, US
36352 2833 231 860 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 7669 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4067 3395 127 AKAMAI-ASN1, NL
9009 3896 358 2100 M247, RO
12389 3117 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2401 361 581 TELLCOM-AS, TR
212238 2335 170 1702 CDNEXT, GB
8452 1635 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1418 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 12233 3256 574 UNINET, MX
10620 3506 481 1018 Telmex Colombia S.A., CO
13999 2537 538 355 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1370 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1201 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1196 371 22 Telefonica del Peru S.A.A., PE
22884 1064 70 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1054 2487 55 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 1822 644 27 RAYA-AS, EG
24863 1621 389 17 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1078 523 47 Vodafone-, EG
36914 571 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 531 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 13604 40950 5218 AMAZON-02, US
8151 12233 3256 574 UNINET, MX
9808 11415 8759 114 CHINAMOBILE-CN China Mobile Communication
12479 7669 1713 148 UNI2-AS, ES
7545 6153 841 652 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4781 317 604 CABLEONE, US
39891 4780 291 66 ALJAWWALSTC-AS, SA
18403 4397 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4348 535 312 BBIL-AP BHARTI Airtel Ltd., IN
20940 4067 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 12233 11659 UNINET, MX
9808 11415 11301 CHINAMOBILE-CN China Mobile Communications Grou
12479 7669 7521 UNI2-AS, ES
7545 6153 5501 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4780 4714 ALJAWWALSTC-AS, SA
18403 4397 4372 FPT-AS-AP FPT Telecom Company, VN
11492 4781 4177 CABLEONE, US
9498 4348 4036 BBIL-AP BHARTI Airtel Ltd., IN
20940 4067 3940 AKAMAI-ASN1, NL
7552 3921 3895 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
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
395195 UNALLOCATED 8.38.115.0/24 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
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
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
/13:585 /14:1210 /15:2153 /16:13804 /17:8230 /18:13508
/19:24534 /20:43967 /21:51824 /22:112154 /23:102994 /24:612511
/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 6592 7669 UNI2-AS, ES
8151 6444 12233 UNINET, MX
11492 3577 4781 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3636 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2738 3608 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2348 13604 AMAZON-02, US
30036 2261 2603 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2193 3506 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)
----------------------------------------------
1:2374 2:1535 3:820 4:10 5:4755 6:161
7:6 8:1565 9:1 11:172 12:1339 13:445
14:2534 15:365 16:284 17:379 18:920 20:554
21:4 22:188 23:7670 24:2729 25:2 27:2784
29:19 31:3306 32:35 33:1 34:80 35:255
36:3185 37:4579 38:9342 39:906 40:206 41:4288
42:1930 43:2642 44:377 45:18657 46:5135 47:323
49:1923 50:1888 51:592 52:1556 54:324 55:1092
56:11 57:271 58:2208 59:1189 60:1172 61:2789
62:2931 63:1794 64:5502 65:2057 66:4703 67:3085
68:1119 69:3938 70:1113 71:630 72:2868 74:2796
75:1517 76:608 77:2773 78:1908 79:1728 80:2209
81:2075 82:3187 83:1455 84:1879 85:3462 86:1092
87:2135 88:1345 89:4409 90:777 91:8389 92:2739
93:2938 94:4047 95:4424 96:1477 97:310 98:1000
99:688 100:72 101:1405 102:3877 103:32331 104:5221
105:764 106:975 107:2673 108:1250 109:4112 110:2233
111:3237 112:2142 113:1840 114:1995 115:2205 116:2064
117:2579 118:2935 119:1905 120:2082 121:1380 122:2791
123:2221 124:1589 125:2874 126:91 128:1616 129:950
130:1309 131:2069 132:779 133:451 134:1556 135:348
136:1349 137:1254 138:2822 139:1594 140:1620 141:1511
142:1914 143:1938 144:1162 145:560 146:2181 147:2112
148:2711 149:2933 150:1265 151:2110 152:2087 153:590
154:7881 155:1759 156:3140 157:1929 158:1333 159:2501
160:3612 161:1861 162:3885 163:2237 164:1864 165:2029
166:1515 167:1993 168:3971 169:789 170:5125 171:1012
172:4473 173:3355 174:927 175:1321 176:3708 177:4716
178:3894 179:2312 180:2639 181:4084 182:3479 183:2098
184:2126 185:21625 186:5170 187:4579 188:4261 189:4324
190:9580 191:1485 192:11321 193:9484 194:7816 195:5538
196:3307 197:3253 198:6110 199:8530 200:8217 201:6382
202:10313 203:10667 204:4574 205:3592 206:4473 207:3512
208:4286 209:5115 210:4611 211:2540 212:4571 213:3779
214:1012 215:46 216:6768 217:3206 218:1362 219:390
220:2129 221:1156 222:725 223:2516
End of report
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