[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jun 25 21:39:53 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Wed 25 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: 986860
Prefixes after maximum aggregation (per Origin AS): 381140
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 483221
Number of IPv4 prefixes with a valid ROA: 551111
Number of IPv4 prefixes with an invalid ROA: 189
Number of IPv4 prefixes with no ROA: 435560
Total ASes present in the Internet Routing Table: 76956
Prefixes per ASN: 12.82
Origin-only ASes present in the Internet Routing Table: 65954
Origin ASes announcing only one prefix: 26915
Transit ASes present in the Internet Routing Table: 11002
Transit-only ASes present in the Internet Routing Table: 548
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: 79
Max AS path prepend of ASN (133647) 73
Prefixes from unregistered ASNs in the Routing Table: 1255
Number of instances of unregistered ASNs: 1289
Number of 32-bit ASNs allocated by the RIRs: 46645
Number of 32-bit ASNs visible in the Routing Table: 38419
Prefixes from 32-bit ASNs in the Routing Table: 204249
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: 463
Number of addresses announced to Internet: 3104123904
Equivalent to 185 /8s, 5 /16s and 44 /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: 323005
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 259467
Total APNIC prefixes after maximum aggregation: 77470
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 250641
Unique aggregates announced from the APNIC address blocks: 104364
APNIC Region origin ASes present in the Internet Routing Table: 14643
APNIC Prefixes per ASN: 17.12
APNIC Region origin ASes announcing only one prefix: 4467
APNIC Region transit ASes present in the Internet Routing Table: 1956
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: 10174
Number of APNIC addresses announced to Internet: 747592192
Equivalent to 44 /8s, 143 /16s and 90 /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: 291215
Total ARIN prefixes after maximum aggregation: 131344
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292842
Unique aggregates announced from the ARIN address blocks: 139613
ARIN Region origin ASes present in the Internet Routing Table: 19237
ARIN Prefixes per ASN: 15.22
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: 5242
Number of ARIN addresses announced to Internet: 1349122048
Equivalent to 80 /8s, 105 /16s and 248 /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: 275740
Total RIPE prefixes after maximum aggregation: 135230
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 274419
Unique aggregates announced from the RIPE address blocks: 176211
RIPE Region origin ASes present in the Internet Routing Table: 28902
RIPE Prefixes per ASN: 9.49
RIPE Region origin ASes announcing only one prefix: 12044
RIPE Region transit ASes present in the Internet Routing Table: 3972
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 38
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12495
Number of RIPE addresses announced to Internet: 730914560
Equivalent to 43 /8s, 144 /16s and 223 /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: 123866
Total LACNIC prefixes after maximum aggregation: 29619
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 120357
Unique aggregates announced from the LACNIC address blocks: 48947
LACNIC Region origin ASes present in the Internet Routing Table: 11274
LACNIC Prefixes per ASN: 10.68
LACNIC Region origin ASes announcing only one prefix: 2675
LACNIC Region transit ASes present in the Internet Routing Table: 2507
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9221
Number of LACNIC addresses announced to Internet: 171227904
Equivalent to 10 /8s, 52 /16s and 187 /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: 35317
Total AfriNIC prefixes after maximum aggregation: 6632
AfriNIC Deaggregation factor: 5.33
Prefixes being announced from the AfriNIC address blocks: 48137
Unique aggregates announced from the AfriNIC address blocks: 13673
AfriNIC Region origin ASes present in the Internet Routing Table: 1925
AfriNIC Prefixes per ASN: 25.01
AfriNIC Region origin ASes announcing only one prefix: 696
AfriNIC Region transit ASes present in the Internet Routing Table: 381
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1287
Number of AfriNIC addresses announced to Internet: 105059072
Equivalent to 6 /8s, 67 /16s and 19 /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 11369 8759 109 CHINAMOBILE-CN China Mobile Communication
7545 6155 846 653 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4400 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4332 534 308 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 3272 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2889 856 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2284 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 13601 40953 5219 AMAZON-02, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
22773 3607 3037 209 ASN-CXA-ALL-CCI-22773-RDC, US
174 3504 8742 854 COGENT-174, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3193 3854 428 GOOGLE-CLOUD-PLATFORM, US
16625 3120 1309 2257 AKAMAI-AS, US
36352 2836 231 858 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 7675 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4063 3395 127 AKAMAI-ASN1, NL
9009 3908 359 2109 M247, RO
12389 3115 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2400 361 581 TELLCOM-AS, TR
212238 2325 170 1706 CDNEXT, GB
8452 1635 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1419 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 12219 3255 576 UNINET, MX
10620 3505 481 1017 Telmex Colombia S.A., CO
13999 2539 538 354 Mega Cable, S.A. de C.V., MX
11830 1978 369 64 Instituto Costarricense de Electricidad y
28573 1370 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1201 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1197 371 22 Telefonica del Peru S.A.A., PE
22884 1064 70 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1051 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 1623 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 569 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 530 56 53 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 13601 40953 5219 AMAZON-02, US
8151 12219 3255 576 UNINET, MX
9808 11369 8759 109 CHINAMOBILE-CN China Mobile Communication
12479 7675 1713 148 UNI2-AS, ES
7545 6155 846 653 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4781 317 604 CABLEONE, US
39891 4780 291 66 ALJAWWALSTC-AS, SA
18403 4400 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4332 534 308 BBIL-AP BHARTI Airtel Ltd., IN
20940 4063 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 12219 11643 UNINET, MX
9808 11369 11260 CHINAMOBILE-CN China Mobile Communications Grou
12479 7675 7527 UNI2-AS, ES
7545 6155 5502 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4780 4714 ALJAWWALSTC-AS, SA
18403 4400 4375 FPT-AS-AP FPT Telecom Company, VN
11492 4781 4177 CABLEONE, US
9498 4332 4024 BBIL-AP BHARTI Airtel Ltd., IN
20940 4063 3936 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 /15:2152 /16:13818 /17:8233 /18:13526
/19:24559 /20:44047 /21:51831 /22:112056 /23:102892 /24:611488
/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 6596 7675 UNI2-AS, ES
8151 6432 12219 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 2737 3607 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2350 13601 AMAZON-02, US
30036 2262 2604 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2192 3505 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)
----------------------------------------------
1:2378 2:1516 3:822 4:10 5:4722 6:162
7:6 8:1568 9:1 11:172 12:1346 13:437
14:2526 15:364 16:285 17:379 18:920 20:554
21:4 22:188 23:7667 24:2871 25:2 27:2780
29:19 31:3299 32:35 33:1 34:80 35:254
36:3181 37:4584 38:9331 39:906 40:194 41:4255
42:1929 43:2615 44:378 45:18601 46:5122 47:324
49:1923 50:1889 51:592 52:1558 54:323 55:1100
56:11 57:272 58:2210 59:1190 60:1171 61:2790
62:2929 63:1794 64:5507 65:2061 66:4673 67:3087
68:1151 69:3946 70:1131 71:631 72:2879 74:2799
75:1517 76:607 77:2753 78:1909 79:1725 80:2209
81:2061 82:3179 83:1452 84:1873 85:3449 86:1088
87:2138 88:1343 89:4403 90:776 91:8395 92:2736
93:2935 94:4031 95:4407 96:1476 97:310 98:1024
99:685 100:72 101:1404 102:3895 103:32281 104:5209
105:764 106:969 107:2679 108:1251 109:4110 110:2233
111:3277 112:2141 113:1840 114:1988 115:2159 116:2060
117:2580 118:2929 119:1905 120:2077 121:1381 122:2790
123:2221 124:1590 125:2869 126:91 128:1611 129:952
130:1301 131:2059 132:780 133:451 134:1558 135:349
136:1348 137:1260 138:2812 139:1590 140:1607 141:1510
142:1916 143:1908 144:1161 145:554 146:2186 147:2115
148:2706 149:2902 150:1267 151:2105 152:2079 153:589
154:7673 155:1762 156:2967 157:1924 158:1327 159:2500
160:3606 161:1860 162:3883 163:2232 164:1848 165:2023
166:1505 167:1990 168:3960 169:791 170:5118 171:1011
172:4479 173:3350 174:928 175:1322 176:3708 177:4713
178:3786 179:2316 180:2637 181:4078 182:3460 183:2101
184:2126 185:21575 186:5162 187:4572 188:4268 189:4316
190:9592 191:1474 192:11328 193:9464 194:7795 195:5531
196:3310 197:3241 198:6106 199:8534 200:8205 201:6377
202:10288 203:10671 204:4564 205:3621 206:4505 207:3511
208:4291 209:5114 210:4615 211:2539 212:4574 213:3770
214:1014 215:48 216:6779 217:3201 218:1357 219:390
220:2075 221:1154 222:725 223:2521
End of report
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