[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Mar 28 21:40:05 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Fri 28 Mar, 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: 978289
Prefixes after maximum aggregation (per Origin AS): 374634
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 476657
Number of IPv4 prefixes with a valid ROA: 538442
Number of IPv4 prefixes with an invalid ROA: 177
Number of IPv4 prefixes with no ROA: 439670
Total ASes present in the Internet Routing Table: 76747
Prefixes per ASN: 12.75
Origin-only ASes present in the Internet Routing Table: 65787
Origin ASes announcing only one prefix: 26882
Transit ASes present in the Internet Routing Table: 10960
Transit-only ASes present in the Internet Routing Table: 550
Paths with bogon ASNs present in the IPv4 Routing Table: 308
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 61
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 1168
Number of instances of unregistered ASNs: 1173
Number of 32-bit ASNs allocated by the RIRs: 46107
Number of 32-bit ASNs visible in the Routing Table: 38000
Prefixes from 32-bit ASNs in the Routing Table: 200095
Number of bogon 32-bit ASNs visible in the Routing Table: 34
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 471
Number of addresses announced to Internet: 3107040512
Equivalent to 185 /8s, 49 /16s and 173 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 321135
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255434
Total APNIC prefixes after maximum aggregation: 76175
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 247287
Unique aggregates announced from the APNIC address blocks: 102668
APNIC Region origin ASes present in the Internet Routing Table: 14530
APNIC Prefixes per ASN: 17.02
APNIC Region origin ASes announcing only one prefix: 4436
APNIC Region transit ASes present in the Internet Routing Table: 1962
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 50
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10045
Number of APNIC addresses announced to Internet: 747734016
Equivalent to 44 /8s, 145 /16s and 132 /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: 289679
Total ARIN prefixes after maximum aggregation: 128735
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 290354
Unique aggregates announced from the ARIN address blocks: 137281
ARIN Region origin ASes present in the Internet Routing Table: 19245
ARIN Prefixes per ASN: 15.09
ARIN Region origin ASes announcing only one prefix: 7044
ARIN Region transit ASes present in the Internet Routing Table: 1982
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: 5174
Number of ARIN addresses announced to Internet: 1350063104
Equivalent to 80 /8s, 120 /16s and 84 /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: 273240
Total RIPE prefixes after maximum aggregation: 133037
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271538
Unique aggregates announced from the RIPE address blocks: 173829
RIPE Region origin ASes present in the Internet Routing Table: 28863
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12039
RIPE Region transit ASes present in the Internet Routing Table: 3980
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12339
Number of RIPE addresses announced to Internet: 732243200
Equivalent to 43 /8s, 165 /16s and 37 /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: 123599
Total LACNIC prefixes after maximum aggregation: 29228
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 120248
Unique aggregates announced from the LACNIC address blocks: 48821
LACNIC Region origin ASes present in the Internet Routing Table: 11217
LACNIC Prefixes per ASN: 10.72
LACNIC Region origin ASes announcing only one prefix: 2667
LACNIC Region transit ASes present in the Internet Routing Table: 2461
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9168
Number of LACNIC addresses announced to Internet: 171694080
Equivalent to 10 /8s, 59 /16s and 216 /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: 35169
Total AfriNIC prefixes after maximum aggregation: 6728
AfriNIC Deaggregation factor: 5.23
Prefixes being announced from the AfriNIC address blocks: 48390
Unique aggregates announced from the AfriNIC address blocks: 13653
AfriNIC Region origin ASes present in the Internet Routing Table: 1913
AfriNIC Prefixes per ASN: 25.30
AfriNIC Region origin ASes announcing only one prefix: 696
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: 61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1274
Number of AfriNIC addresses announced to Internet: 105069312
Equivalent to 6 /8s, 67 /16s and 59 /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 10310 8753 89 CHINAMOBILE-CN China Mobile Communication
7545 6219 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4244 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4217 530 274 BBIL-AP BHARTI Airtel Ltd., IN
7552 3916 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3673 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3261 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2845 849 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2170 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2153 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 12953 39645 3972 AMAZON-02, US
11492 4676 310 586 CABLEONE, US
7155 4173 286 83 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
174 3613 8767 970 COGENT-174, US
22773 3603 3054 221 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3117 1311 2246 AKAMAI-AS, US
396982 2944 3649 458 GOOGLE-CLOUD-PLATFORM, US
36352 2581 213 795 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 7723 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4017 3395 129 AKAMAI-ASN1, NL
9009 3773 326 1962 M247, RO
12389 3035 2303 888 ROSTELECOM-AS, RU
34984 2365 360 583 TELLCOM-AS, TR
212238 2071 148 1527 CDNEXT, GB
8452 1615 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1491 98 749 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 11898 3243 582 UNINET, MX
10620 3522 486 971 Telmex Colombia S.A., CO
13999 2509 539 367 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR
3816 1330 782 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 371 22 Telefonica del Peru S.A.A., PE
11664 1163 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1051 70 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1049 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 1703 599 30 RAYA-AS, EG
24863 1620 389 18 LINKdotNET-AS, EG
29571 1567 102 23 ORANGE-COTE-IVOIRE, CI
36992 1428 1518 287 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1006 521 42 Vodafone-, EG
20011 980 183 284 INTERNET-SOLUTIONS, ZA
37069 903 1083 15 MOBINIL, EG
6713 560 1861 35 IAM-AS, MA
36914 542 82 3 KENET-AS, 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 12953 39645 3972 AMAZON-02, US
8151 11898 3243 582 UNINET, MX
9808 10310 8753 89 CHINAMOBILE-CN China Mobile Communication
12479 7723 1714 145 UNI2-AS, ES
7545 6219 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4676 310 586 CABLEONE, US
18403 4244 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4217 530 274 BBIL-AP BHARTI Airtel Ltd., IN
7155 4173 286 83 VIASAT-SP-BACKBONE, US
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 11898 11316 UNINET, MX
9808 10310 10221 CHINAMOBILE-CN China Mobile Communications Grou
12479 7723 7578 UNI2-AS, ES
7545 6219 5561 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4244 4219 FPT-AS-AP FPT Telecom Company, VN
11492 4676 4090 CABLEONE, US
7155 4173 4090 VIASAT-SP-BACKBONE, US
9498 4217 3943 BBIL-AP BHARTI Airtel Ltd., IN
7552 3916 3890 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
212032 UNALLOCATED 5.59.105.0/24 35168 TNS-PLUS-CORE, KZ
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
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
23.136.140.0/24 Origin: 11832 BANDB-ROUTING, ZZ
23.136.140.0/24 Transit: 20473 AS-VULTR, 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
23.152.48.0/24 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 /11:93 /12:302
/13:584 /14:1227 /15:2167 /16:13960 /17:8299 /18:13763
/19:24643 /20:43717 /21:51763 /22:112045 /23:101242 /24:604410
/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 6655 7723 UNI2-AS, ES
8151 6098 11898 UNINET, MX
11492 3529 4676 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 3120 4173 VIASAT-SP-BACKBONE, US
22773 2720 3603 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2329 12953 AMAZON-02, US
30036 2232 2575 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2184 3522 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)
----------------------------------------------
1:2329 2:1537 3:600 4:10 5:4588 6:163
7:6 8:1552 9:1 11:172 12:1372 13:351
14:2514 15:351 16:279 17:362 18:915 20:463
21:4 22:188 23:7373 24:3021 25:2 27:2762
29:19 31:3221 32:37 34:80 35:204 36:2398
37:4739 38:8884 39:899 40:154 41:4217 42:1918
43:2564 44:359 45:18482 46:4943 47:288 49:1980
50:1897 51:590 52:1555 54:301 55:1090 56:11
57:252 58:2195 59:1217 60:1171 61:2777 62:2920
63:1833 64:5498 65:2125 66:4612 67:3024 68:1156
69:3962 70:1163 71:622 72:2860 74:2801 75:1662
76:612 77:2711 78:1879 79:1721 80:2194 81:2020
82:2999 83:1414 84:1820 85:3379 86:1044 87:2157
88:1314 89:4329 90:778 91:8317 92:2801 93:2875
94:4070 95:4296 96:1424 97:313 98:1017 99:740
100:71 101:1143 102:3721 103:32159 104:4815 105:750
106:993 107:2614 108:1204 109:4045 110:2225 111:3316
112:2036 113:1795 114:1951 115:2151 116:2027 117:2740
118:2855 119:1952 120:1872 121:1365 122:2738 123:2180
124:1566 125:2852 126:88 128:1586 129:954 130:1276
131:1920 132:780 133:451 134:1528 135:329 136:1280
137:1248 138:2890 139:1621 140:1565 141:1489 142:1825
143:1658 144:1046 145:517 146:2154 147:2099 148:2627
149:2895 150:1246 151:2042 152:2105 153:571 154:7871
155:1619 156:3265 157:1911 158:1267 159:2430 160:3552
161:1939 162:3713 163:1968 164:1692 165:2199 166:1424
167:1889 168:4061 169:803 170:5093 171:1005 172:4477
173:3233 174:918 175:1286 176:3686 177:4739 178:3817
179:2318 180:2585 181:4049 182:3375 183:2030 184:2310
185:21515 186:5115 187:4398 188:4199 189:4193 190:9625
191:1523 192:11191 193:9423 194:7787 195:5552 196:3294
197:3674 198:6109 199:8425 200:8184 201:6298 202:10391
203:10600 204:4522 205:3637 206:4630 207:3477 208:4191
209:5188 210:4562 211:2522 212:4499 213:3761 214:1045
215:48 216:6583 217:3095 218:1328 219:374 220:2074
221:1073 222:719 223:2317
End of report
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