[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Mar 30 21:40:14 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sun 30 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: 977738
Prefixes after maximum aggregation (per Origin AS): 374528
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 476663
Number of IPv4 prefixes with a valid ROA: 538404
Number of IPv4 prefixes with an invalid ROA: 177
Number of IPv4 prefixes with no ROA: 439157
Total ASes present in the Internet Routing Table: 76719
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 65770
Origin ASes announcing only one prefix: 26883
Transit ASes present in the Internet Routing Table: 10949
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: 5.3
Max AS path length visible: 60
Max AS path prepend of ASN (135823) 50
Prefixes from unregistered ASNs in the Routing Table: 1153
Number of instances of unregistered ASNs: 1158
Number of 32-bit ASNs allocated by the RIRs: 46117
Number of 32-bit ASNs visible in the Routing Table: 37990
Prefixes from 32-bit ASNs in the Routing Table: 200040
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: 473
Number of addresses announced to Internet: 3106893056
Equivalent to 185 /8s, 47 /16s and 109 /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: 320971
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255529
Total APNIC prefixes after maximum aggregation: 76180
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 247336
Unique aggregates announced from the APNIC address blocks: 102713
APNIC Region origin ASes present in the Internet Routing Table: 14531
APNIC Prefixes per ASN: 17.02
APNIC Region origin ASes announcing only one prefix: 4439
APNIC Region transit ASes present in the Internet Routing Table: 1958
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 60
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10047
Number of APNIC addresses announced to Internet: 747762432
Equivalent to 44 /8s, 145 /16s and 243 /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: 289383
Total ARIN prefixes after maximum aggregation: 128684
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 289968
Unique aggregates announced from the ARIN address blocks: 137230
ARIN Region origin ASes present in the Internet Routing Table: 19243
ARIN Prefixes per ASN: 15.07
ARIN Region origin ASes announcing only one prefix: 7048
ARIN Region transit ASes present in the Internet Routing Table: 1979
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: 5172
Number of ARIN addresses announced to Internet: 1349967616
Equivalent to 80 /8s, 118 /16s and 223 /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: 273138
Total RIPE prefixes after maximum aggregation: 133045
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271499
Unique aggregates announced from the RIPE address blocks: 173870
RIPE Region origin ASes present in the Internet Routing Table: 28864
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12037
RIPE Region transit ASes present in the Internet Routing Table: 3979
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: 12345
Number of RIPE addresses announced to Internet: 732252160
Equivalent to 43 /8s, 165 /16s and 72 /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: 123575
Total LACNIC prefixes after maximum aggregation: 29192
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 120252
Unique aggregates announced from the LACNIC address blocks: 48839
LACNIC Region origin ASes present in the Internet Routing Table: 11204
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2667
LACNIC Region transit ASes present in the Internet Routing Table: 2454
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: 9160
Number of LACNIC addresses announced to Internet: 171671296
Equivalent to 10 /8s, 59 /16s and 127 /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: 34960
Total AfriNIC prefixes after maximum aggregation: 6704
AfriNIC Deaggregation factor: 5.21
Prefixes being announced from the AfriNIC address blocks: 48209
Unique aggregates announced from the AfriNIC address blocks: 13605
AfriNIC Region origin ASes present in the Internet Routing Table: 1900
AfriNIC Prefixes per ASN: 25.37
AfriNIC Region origin ASes announcing only one prefix: 692
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: 40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1266
Number of AfriNIC addresses announced to Internet: 105003264
Equivalent to 6 /8s, 66 /16s and 57 /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 4222 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 2843 848 537 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 12957 39645 3985 AMAZON-02, US
11492 4676 310 586 CABLEONE, US
7155 4173 286 83 VIASAT-SP-BACKBONE, US
174 3615 8767 969 COGENT-174, US
6327 3615 1320 81 SHAW, CA
22773 3602 3054 220 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3115 1311 2249 AKAMAI-AS, US
396982 2945 3649 459 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 4005 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 2070 147 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 11899 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 1332 783 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 371 21 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 891 1083 15 MOBINIL, EG
6713 560 1861 35 IAM-AS, MA
36914 544 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 12957 39645 3985 AMAZON-02, US
8151 11899 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 4222 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 11899 11317 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 4222 4197 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
23.140.216.0/24 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
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /16:13959 /17:8296 /18:13756
/19:24637 /20:43714 /21:51738 /22:112029 /23:101220 /24:603942
/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 6099 11899 UNINET, MX
11492 3529 4676 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3411 3615 SHAW, CA
7155 3120 4173 VIASAT-SP-BACKBONE, US
22773 2720 3602 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2333 12957 AMAZON-02, US
30036 2228 2570 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)
----------------------------------------------
1:2324 2:1533 3:601 4:10 5:4590 6:163
7:6 8:1552 9:1 11:172 12:1372 13:352
14:2513 15:351 16:279 17:362 18:913 20:463
21:4 22:188 23:7367 24:3021 25:2 27:2762
29:19 31:3224 32:37 34:80 35:203 36:2400
37:4677 38:8898 39:900 40:154 41:4209 42:1915
43:2567 44:357 45:18454 46:4939 47:288 49:1981
50:1895 51:590 52:1554 54:301 55:878 56:11
57:252 58:2194 59:1217 60:1171 61:2777 62:2917
63:1833 64:5491 65:2127 66:4612 67:3024 68:1154
69:3974 70:1166 71:622 72:2860 74:2804 75:1662
76:612 77:2708 78:1879 79:1725 80:2194 81:2020
82:3005 83:1417 84:1822 85:3375 86:1043 87:2158
88:1313 89:4325 90:778 91:8315 92:2798 93:2876
94:4008 95:4303 96:1425 97:313 98:1016 99:740
100:71 101:1142 102:3709 103:32189 104:4816 105:750
106:993 107:2615 108:1206 109:4078 110:2225 111:3324
112:2036 113:1786 114:1953 115:2162 116:2032 117:2740
118:2859 119:1952 120:1872 121:1365 122:2739 123:2180
124:1565 125:2852 126:88 128:1586 129:958 130:1277
131:1897 132:774 133:451 134:1529 135:329 136:1278
137:1243 138:2899 139:1625 140:1561 141:1485 142:1826
143:1655 144:1044 145:517 146:2156 147:2098 148:2635
149:2894 150:1248 151:2049 152:2106 153:571 154:7867
155:1619 156:3285 157:1911 158:1267 159:2432 160:3559
161:1937 162:3717 163:1972 164:1689 165:2199 166:1424
167:1888 168:4033 169:803 170:5057 171:1005 172:4479
173:3231 174:918 175:1287 176:3690 177:4741 178:3817
179:2359 180:2585 181:4053 182:3375 183:2028 184:2308
185:21520 186:5085 187:4409 188:4202 189:4223 190:9621
191:1523 192:11180 193:9425 194:7788 195:5549 196:3268
197:3597 198:6107 199:8408 200:8177 201:6283 202:10396
203:10599 204:4528 205:3623 206:4625 207:3479 208:4189
209:5166 210:4564 211:2522 212:4496 213:3763 214:1044
215:48 216:6582 217:3094 218:1327 219:374 220:2075
221:1072 222:712 223:2317
End of report
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