[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Mar 13 21:40:29 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 13 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: 976473
Prefixes after maximum aggregation (per Origin AS): 373809
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 476765
Number of IPv4 prefixes with a valid ROA: 536418
Number of IPv4 prefixes with an invalid ROA: 181
Number of IPv4 prefixes with no ROA: 439874
Total ASes present in the Internet Routing Table: 76693
Prefixes per ASN: 12.73
Origin-only ASes present in the Internet Routing Table: 65750
Origin ASes announcing only one prefix: 26878
Transit ASes present in the Internet Routing Table: 10943
Transit-only ASes present in the Internet Routing Table: 549
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: 1156
Number of instances of unregistered ASNs: 1161
Number of 32-bit ASNs allocated by the RIRs: 46137
Number of 32-bit ASNs visible in the Routing Table: 37945
Prefixes from 32-bit ASNs in the Routing Table: 199458
Number of bogon 32-bit ASNs visible in the Routing Table: 32
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 516
Number of addresses announced to Internet: 3109640192
Equivalent to 185 /8s, 89 /16s and 88 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 320071
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255383
Total APNIC prefixes after maximum aggregation: 75970
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 247307
Unique aggregates announced from the APNIC address blocks: 102642
APNIC Region origin ASes present in the Internet Routing Table: 14528
APNIC Prefixes per ASN: 17.02
APNIC Region origin ASes announcing only one prefix: 4434
APNIC Region transit ASes present in the Internet Routing Table: 1959
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 36
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10038
Number of APNIC addresses announced to Internet: 748268544
Equivalent to 44 /8s, 153 /16s and 172 /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: 288923
Total ARIN prefixes after maximum aggregation: 128425
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 289662
Unique aggregates announced from the ARIN address blocks: 136639
ARIN Region origin ASes present in the Internet Routing Table: 19221
ARIN Prefixes per ASN: 15.07
ARIN Region origin ASes announcing only one prefix: 7024
ARIN Region transit ASes present in the Internet Routing Table: 1984
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: 5169
Number of ARIN addresses announced to Internet: 1351245312
Equivalent to 80 /8s, 138 /16s and 94 /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: 272660
Total RIPE prefixes after maximum aggregation: 132659
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 270762
Unique aggregates announced from the RIPE address blocks: 173259
RIPE Region origin ASes present in the Internet Routing Table: 28854
RIPE Prefixes per ASN: 9.38
RIPE Region origin ASes announcing only one prefix: 12052
RIPE Region transit ASes present in the Internet Routing Table: 3970
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: 12313
Number of RIPE addresses announced to Internet: 732183296
Equivalent to 43 /8s, 164 /16s and 59 /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: 123282
Total LACNIC prefixes after maximum aggregation: 29224
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120145
Unique aggregates announced from the LACNIC address blocks: 48821
LACNIC Region origin ASes present in the Internet Routing Table: 11197
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2672
LACNIC Region transit ASes present in the Internet Routing Table: 2471
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: 9157
Number of LACNIC addresses announced to Internet: 172706560
Equivalent to 10 /8s, 75 /16s and 75 /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: 35069
Total AfriNIC prefixes after maximum aggregation: 6800
AfriNIC Deaggregation factor: 5.16
Prefixes being announced from the AfriNIC address blocks: 48080
Unique aggregates announced from the AfriNIC address blocks: 14975
AfriNIC Region origin ASes present in the Internet Routing Table: 1907
AfriNIC Prefixes per ASN: 25.21
AfriNIC Region origin ASes announcing only one prefix: 696
AfriNIC Region transit ASes present in the Internet Routing Table: 375
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: 1268
Number of AfriNIC addresses announced to Internet: 104985088
Equivalent to 6 /8s, 65 /16s and 242 /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 10325 8753 88 CHINAMOBILE-CN China Mobile Communication
7545 6211 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4390 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN
7552 3922 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3672 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3266 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2837 847 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2171 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2151 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 12924 39643 3955 AMAZON-02, US
11492 4675 310 585 CABLEONE, US
7155 4174 286 83 VIASAT-SP-BACKBONE, US
174 3674 8768 964 COGENT-174, US
6327 3621 1320 81 SHAW, CA
22773 3601 3054 221 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3066 1297 2215 AKAMAI-AS, US
396982 2942 3660 455 GOOGLE-CLOUD-PLATFORM, US
30036 2560 355 407 MEDIACOM-ENTERPRISE-BUSINESS, 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 7755 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4011 3395 129 AKAMAI-ASN1, NL
9009 3757 322 1938 M247, RO
12389 2984 2303 890 ROSTELECOM-AS, RU
34984 2368 361 581 TELLCOM-AS, TR
212238 2039 146 1505 CDNEXT, GB
8452 1607 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1486 98 745 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 11814 3242 586 UNINET, MX
10620 3524 487 971 Telmex Colombia S.A., CO
13999 2501 538 370 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 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 22 Telefonica del Peru S.A.A., PE
11664 1156 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1089 359 174 Axtel, S.A.B. de C.V., MX
22884 1050 70 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1683 599 30 RAYA-AS, EG
24863 1619 389 16 LINKdotNET-AS, EG
29571 1572 99 95 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1006 521 42 Vodafone-, EG
20011 980 183 284 INTERNET-SOLUTIONS, ZA
37069 855 1083 15 MOBINIL, EG
6713 560 1861 35 IAM-AS, MA
36914 547 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 12924 39643 3955 AMAZON-02, US
8151 11814 3242 586 UNINET, MX
9808 10325 8753 88 CHINAMOBILE-CN China Mobile Communication
12479 7755 1714 145 UNI2-AS, ES
7545 6211 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4675 310 585 CABLEONE, US
18403 4390 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN
7155 4174 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 11814 11228 UNINET, MX
9808 10325 10237 CHINAMOBILE-CN China Mobile Communications Grou
12479 7755 7610 UNI2-AS, ES
7545 6211 5553 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4390 4365 FPT-AS-AP FPT Telecom Company, VN
7155 4174 4091 VIASAT-SP-BACKBONE, US
11492 4675 4090 CABLEONE, US
9498 4215 3942 BBIL-AP BHARTI Airtel Ltd., IN
7552 3922 3896 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
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
46639 UNALLOCATED 8.38.73.0/24 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
23.138.40.0/22 Origin: 964 IONSWITCH-NW, US
23.138.40.0/22 Transit: 20055 AS-WHOLESAIL, US
23.138.41.0/24 Origin: 964 IONSWITCH-NW, US
23.138.41.0/24 Transit: 20055 AS-WHOLESAIL, 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
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 /10:42 /11:92 /12:304
/13:586 /14:1224 /15:2167 /16:13958 /17:8293 /18:13743
/19:24581 /20:43782 /21:51728 /22:111889 /23:101148 /24:602903
/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 6693 7755 UNI2-AS, ES
8151 6018 11814 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 3121 4174 VIASAT-SP-BACKBONE, US
22773 2719 3601 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2331 12924 AMAZON-02, US
30036 2219 2560 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2185 3524 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)
----------------------------------------------
1:2337 2:1531 3:591 4:10 5:4572 6:162
7:6 8:1550 9:1 11:172 12:1374 13:348
14:2503 15:349 16:279 17:362 18:923 20:462
21:4 22:188 23:7343 24:3020 25:2 27:2741
29:19 31:3201 32:35 34:79 35:203 36:2399
37:4617 38:8939 39:899 40:154 41:4244 42:1973
43:2552 44:355 45:18380 46:5030 47:288 49:1985
50:1884 51:590 52:1555 54:301 55:1063 56:9
57:245 58:2210 59:1205 60:1165 61:2781 62:2901
63:1831 64:5498 65:2111 66:4626 67:3011 68:1151
69:3949 70:1162 71:623 72:2874 74:2781 75:1655
76:612 77:2688 78:1876 79:1732 80:2189 81:2017
82:2793 83:1392 84:1815 85:3366 86:1034 87:2166
88:1315 89:4325 90:783 91:8305 92:2789 93:2894
94:3902 95:4266 96:1414 97:317 98:1010 99:738
100:71 101:1131 102:3622 103:32208 104:4825 105:753
106:999 107:2605 108:1202 109:4116 110:2226 111:3314
112:2035 113:1791 114:1940 115:2157 116:2037 117:2759
118:2880 119:1959 120:1878 121:1360 122:2741 123:2179
124:1565 125:2871 126:87 128:1578 129:947 130:1277
131:1866 132:781 133:451 134:1529 135:328 136:1285
137:1245 138:2886 139:1620 140:1555 141:1474 142:1823
143:1639 144:1048 145:482 146:2155 147:2092 148:2593
149:2885 150:1237 151:2162 152:2115 153:571 154:7829
155:1617 156:3279 157:1915 158:1270 159:2430 160:3548
161:1939 162:3681 163:1902 164:1697 165:2184 166:1399
167:1878 168:4070 169:795 170:5103 171:1003 172:4452
173:3224 174:919 175:1266 176:3664 177:4704 178:3804
179:2275 180:2582 181:4031 182:3371 183:2070 184:2312
185:21501 186:5109 187:4352 188:4207 189:4147 190:9640
191:1493 192:11185 193:9415 194:7761 195:5548 196:3269
197:3643 198:6126 199:8378 200:8157 201:6286 202:10399
203:10600 204:4504 205:3617 206:4606 207:3481 208:4176
209:5146 210:4567 211:2526 212:4504 213:3735 214:971
215:42 216:6584 217:3097 218:1326 219:370 220:2093
221:1056 222:719 223:2318
End of report
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