[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Mar 29 21:40:17 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sat 29 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: 978405
Prefixes after maximum aggregation (per Origin AS): 374649
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 476647
Number of IPv4 prefixes with a valid ROA: 538415
Number of IPv4 prefixes with an invalid ROA: 177
Number of IPv4 prefixes with no ROA: 439813
Total ASes present in the Internet Routing Table: 76735
Prefixes per ASN: 12.75
Origin-only ASes present in the Internet Routing Table: 65772
Origin ASes announcing only one prefix: 26874
Transit ASes present in the Internet Routing Table: 10963
Transit-only ASes present in the Internet Routing Table: 551
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: 1156
Number of instances of unregistered ASNs: 1161
Number of 32-bit ASNs allocated by the RIRs: 46117
Number of 32-bit ASNs visible in the Routing Table: 37998
Prefixes from 32-bit ASNs in the Routing Table: 200254
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: 466
Number of addresses announced to Internet: 3106867712
Equivalent to 185 /8s, 47 /16s and 10 /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: 321146
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255571
Total APNIC prefixes after maximum aggregation: 76184
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 247387
Unique aggregates announced from the APNIC address blocks: 102709
APNIC Region origin ASes present in the Internet Routing Table: 14535
APNIC Prefixes per ASN: 17.02
APNIC Region origin ASes announcing only one prefix: 4443
APNIC Region transit ASes present in the Internet Routing Table: 1961
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: 10049
Number of APNIC addresses announced to Internet: 747760896
Equivalent to 44 /8s, 145 /16s and 237 /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: 289601
Total ARIN prefixes after maximum aggregation: 128739
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 290238
Unique aggregates announced from the ARIN address blocks: 137235
ARIN Region origin ASes present in the Internet Routing Table: 19239
ARIN Prefixes per ASN: 15.09
ARIN Region origin ASes announcing only one prefix: 7042
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: 5171
Number of ARIN addresses announced to Internet: 1349979392
Equivalent to 80 /8s, 119 /16s and 13 /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: 273191
Total RIPE prefixes after maximum aggregation: 133053
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271525
Unique aggregates announced from the RIPE address blocks: 173859
RIPE Region origin ASes present in the Internet Routing Table: 28859
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12034
RIPE Region transit ASes present in the Internet Routing Table: 3983
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: 12338
Number of RIPE addresses announced to Internet: 732265472
Equivalent to 43 /8s, 165 /16s and 124 /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: 123715
Total LACNIC prefixes after maximum aggregation: 29226
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 120355
Unique aggregates announced from the LACNIC address blocks: 48818
LACNIC Region origin ASes present in the Internet Routing Table: 11220
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2660
LACNIC Region transit ASes present in the Internet Routing Table: 2464
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: 9171
Number of LACNIC addresses announced to Internet: 171576576
Equivalent to 10 /8s, 58 /16s and 13 /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: 35171
Total AfriNIC prefixes after maximum aggregation: 6722
AfriNIC Deaggregation factor: 5.23
Prefixes being announced from the AfriNIC address blocks: 48433
Unique aggregates announced from the AfriNIC address blocks: 13620
AfriNIC Region origin ASes present in the Internet Routing Table: 1905
AfriNIC Prefixes per ASN: 25.42
AfriNIC Region origin ASes announcing only one prefix: 695
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: 1269
Number of AfriNIC addresses announced to Internet: 105049088
Equivalent to 6 /8s, 66 /16s and 236 /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 6217 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4223 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 848 535 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 12950 39645 3988 AMAZON-02, US
11492 4676 310 586 CABLEONE, US
7155 4173 286 83 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
174 3614 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 3105 1306 2245 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 1194 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 910 1084 18 MOBINIL, EG
6713 561 1861 35 IAM-AS, MA
36914 550 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 12950 39645 3988 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 6217 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4676 310 586 CABLEONE, US
18403 4223 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 6217 5561 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4223 4198 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 /17:8294 /18:13761
/19:24646 /20:43734 /21:51767 /22:112068 /23:101286 /24:604443
/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 3417 3621 SHAW, CA
7155 3120 4173 VIASAT-SP-BACKBONE, US
22773 2720 3603 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2334 12950 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)
----------------------------------------------
1:2322 2:1533 3:599 4:10 5:4587 6:163
7:6 8:1551 9:1 11:172 12:1372 13:352
14:2513 15:351 16:279 17:362 18:912 20:463
21:4 22:188 23:7365 24:3021 25:2 27:2762
29:19 31:3222 32:37 34:80 35:203 36:2399
37:4704 38:8889 39:899 40:154 41:4215 42:1915
43:2571 44:359 45:18500 46:4938 47:288 49:1981
50:1898 51:590 52:1554 54:301 55:1089 56:11
57:252 58:2195 59:1217 60:1171 61:2778 62:2916
63:1832 64:5490 65:2125 66:4613 67:3023 68:1155
69:3973 70:1162 71:622 72:2858 74:2805 75:1662
76:612 77:2709 78:1878 79:1722 80:2194 81:2019
82:3003 83:1416 84:1820 85:3375 86:1044 87:2157
88:1313 89:4328 90:778 91:8315 92:2795 93:2875
94:4043 95:4296 96:1416 97:313 98:1017 99:740
100:71 101:1142 102:3720 103:32209 104:4818 105:749
106:993 107:2615 108:1206 109:4078 110:2225 111:3324
112:2036 113:1790 114:1953 115:2162 116:2034 117:2740
118:2859 119:1952 120:1872 121:1365 122:2737 123:2181
124:1565 125:2852 126:88 128:1592 129:957 130:1276
131:1904 132:772 133:451 134:1529 135:329 136:1280
137:1248 138:2887 139:1628 140:1562 141:1480 142:1825
143:1651 144:1045 145:517 146:2156 147:2099 148:2628
149:2891 150:1246 151:2043 152:2106 153:571 154:7890
155:1614 156:3284 157:1909 158:1267 159:2432 160:3557
161:1938 162:3709 163:1971 164:1691 165:2199 166:1424
167:1888 168:4058 169:799 170:5082 171:1005 172:4477
173:3234 174:919 175:1287 176:3690 177:4761 178:3818
179:2323 180:2585 181:4054 182:3375 183:2028 184:2309
185:21524 186:5112 187:4396 188:4199 189:4192 190:9614
191:1527 192:11190 193:9424 194:7785 195:5549 196:3292
197:3681 198:6110 199:8420 200:8184 201:6302 202:10394
203:10603 204:4530 205:3617 206:4629 207:3480 208:4189
209:5186 210:4564 211:2522 212:4498 213:3761 214:1046
215:48 216:6583 217:3095 218:1328 219:374 220:2075
221:1072 222:712 223:2317
End of report
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