[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Mar 12 21:40:12 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Wed 12 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: 976201
Prefixes after maximum aggregation (per Origin AS): 373658
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 475935
Number of IPv4 prefixes with a valid ROA: 535904
Number of IPv4 prefixes with an invalid ROA: 183
Number of IPv4 prefixes with no ROA: 440114
Total ASes present in the Internet Routing Table: 76669
Prefixes per ASN: 12.73
Origin-only ASes present in the Internet Routing Table: 65728
Origin ASes announcing only one prefix: 26864
Transit ASes present in the Internet Routing Table: 10941
Transit-only ASes present in the Internet Routing Table: 546
Paths with bogon ASNs present in the IPv4 Routing Table: 314
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: 1119
Number of instances of unregistered ASNs: 1124
Number of 32-bit ASNs allocated by the RIRs: 46160
Number of 32-bit ASNs visible in the Routing Table: 37905
Prefixes from 32-bit ASNs in the Routing Table: 199272
Number of bogon 32-bit ASNs visible in the Routing Table: 38
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 468
Number of addresses announced to Internet: 3109846528
Equivalent to 185 /8s, 92 /16s and 126 /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: 320251
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255209
Total APNIC prefixes after maximum aggregation: 75896
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 247248
Unique aggregates announced from the APNIC address blocks: 102581
APNIC Region origin ASes present in the Internet Routing Table: 14510
APNIC Prefixes per ASN: 17.04
APNIC Region origin ASes announcing only one prefix: 4428
APNIC Region transit ASes present in the Internet Routing Table: 1956
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 38
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10017
Number of APNIC addresses announced to Internet: 748393728
Equivalent to 44 /8s, 155 /16s and 149 /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: 288699
Total ARIN prefixes after maximum aggregation: 128420
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 289661
Unique aggregates announced from the ARIN address blocks: 136518
ARIN Region origin ASes present in the Internet Routing Table: 19226
ARIN Prefixes per ASN: 15.07
ARIN Region origin ASes announcing only one prefix: 7028
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: 5166
Number of ARIN addresses announced to Internet: 1351292416
Equivalent to 80 /8s, 139 /16s and 22 /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: 272650
Total RIPE prefixes after maximum aggregation: 132579
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 270520
Unique aggregates announced from the RIPE address blocks: 173018
RIPE Region origin ASes present in the Internet Routing Table: 28848
RIPE Prefixes per ASN: 9.38
RIPE Region origin ASes announcing only one prefix: 12053
RIPE Region transit ASes present in the Internet Routing Table: 3968
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: 12300
Number of RIPE addresses announced to Internet: 732137216
Equivalent to 43 /8s, 163 /16s and 135 /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: 123442
Total LACNIC prefixes after maximum aggregation: 29219
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120337
Unique aggregates announced from the LACNIC address blocks: 48890
LACNIC Region origin ASes present in the Internet Routing Table: 11208
LACNIC Prefixes per ASN: 10.74
LACNIC Region origin ASes announcing only one prefix: 2660
LACNIC Region transit ASes present in the Internet Routing Table: 2473
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: 9152
Number of LACNIC addresses announced to Internet: 172748800
Equivalent to 10 /8s, 75 /16s and 240 /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: 35082
Total AfriNIC prefixes after maximum aggregation: 6827
AfriNIC Deaggregation factor: 5.14
Prefixes being announced from the AfriNIC address blocks: 47966
Unique aggregates announced from the AfriNIC address blocks: 14521
AfriNIC Region origin ASes present in the Internet Routing Table: 1909
AfriNIC Prefixes per ASN: 25.13
AfriNIC Region origin ASes announcing only one prefix: 695
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: 1270
Number of AfriNIC addresses announced to Internet: 105036800
Equivalent to 6 /8s, 66 /16s and 188 /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 10327 8753 88 CHINAMOBILE-CN China Mobile Communication
7545 6211 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4392 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 12922 39642 3948 AMAZON-02, US
11492 4673 310 589 CABLEONE, US
7155 4175 286 83 VIASAT-SP-BACKBONE, US
174 3664 8768 961 COGENT-174, US
6327 3621 1320 81 SHAW, CA
22773 3600 3054 221 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3073 1304 2227 AKAMAI-AS, US
396982 2942 3660 455 GOOGLE-CLOUD-PLATFORM, US
30036 2561 355 404 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 7757 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4011 3395 129 AKAMAI-ASN1, NL
9009 3760 322 1938 M247, RO
12389 2979 2303 890 ROSTELECOM-AS, RU
34984 2368 361 581 TELLCOM-AS, TR
212238 2033 145 1499 CDNEXT, GB
8452 1607 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1487 98 746 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 11818 3240 585 UNINET, MX
10620 3523 487 970 Telmex Colombia S.A., CO
13999 2503 538 370 Mega Cable, S.A. de C.V., MX
11830 1992 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 1103 359 174 Axtel, S.A.B. de C.V., MX
22884 1051 70 376 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 1583 100 105 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1022 523 45 Vodafone-, EG
20011 980 183 284 INTERNET-SOLUTIONS, ZA
37069 855 1083 15 MOBINIL, EG
6713 559 1861 35 IAM-AS, MA
36914 540 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 12922 39642 3948 AMAZON-02, US
8151 11818 3240 585 UNINET, MX
9808 10327 8753 88 CHINAMOBILE-CN China Mobile Communication
12479 7757 1714 145 UNI2-AS, ES
7545 6211 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4673 310 589 CABLEONE, US
18403 4392 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN
7155 4175 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 11818 11233 UNINET, MX
9808 10327 10239 CHINAMOBILE-CN China Mobile Communications Grou
12479 7757 7612 UNI2-AS, ES
7545 6211 5553 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4392 4367 FPT-AS-AP FPT Telecom Company, VN
7155 4175 4092 VIASAT-SP-BACKBONE, US
11492 4673 4084 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
23.135.220.0/24 Origin: 215364 INFINITRON-INTERNET Infinitron Internet,
23.135.220.0/24 Transit: 207841 INFERNO, GB
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
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 /15:2166 /16:13971 /17:8288 /18:13736
/19:24577 /20:43776 /21:51733 /22:111828 /23:101130 /24:602715
/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 6695 7757 UNI2-AS, ES
8151 6013 11818 UNINET, MX
11492 3527 4673 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 3121 4175 VIASAT-SP-BACKBONE, US
22773 2718 3600 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2335 12922 AMAZON-02, US
30036 2220 2561 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2184 3523 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 2:1527 3:588 4:10 5:4567 6:162
7:6 8:1551 9:1 11:172 12:1375 13:347
14:2517 15:349 16:279 17:363 18:922 20:462
21:4 22:188 23:7341 24:3018 25:2 27:2742
29:19 31:3196 32:35 34:79 35:203 36:2405
37:4623 38:8926 39:897 40:154 41:4229 42:1994
43:2551 44:355 45:18365 46:5027 47:288 49:1986
50:1886 51:590 52:1555 54:302 55:1071 56:9
57:245 58:2215 59:1198 60:1165 61:2781 62:2919
63:1819 64:5495 65:2107 66:4626 67:3011 68:1152
69:3930 70:1162 71:620 72:2875 74:2780 75:1657
76:612 77:2687 78:1873 79:1730 80:2188 81:2014
82:2776 83:1393 84:1814 85:3371 86:1032 87:2164
88:1317 89:4324 90:784 91:8314 92:2789 93:2895
94:3900 95:4275 96:1412 97:317 98:1011 99:738
100:71 101:1130 102:3657 103:32165 104:4800 105:758
106:999 107:2608 108:1203 109:4110 110:2224 111:3315
112:2034 113:1791 114:1939 115:2157 116:2040 117:2760
118:2880 119:1959 120:1878 121:1360 122:2741 123:2178
124:1565 125:2869 126:86 128:1582 129:971 130:1278
131:1867 132:776 133:451 134:1528 135:328 136:1273
137:1246 138:2894 139:1618 140:1551 141:1475 142:1824
143:1638 144:1043 145:479 146:2129 147:2078 148:2594
149:2874 150:1230 151:1952 152:2115 153:571 154:7721
155:1629 156:3259 157:1915 158:1272 159:2430 160:3547
161:1934 162:3679 163:1901 164:1695 165:2184 166:1398
167:1881 168:4060 169:793 170:5087 171:1002 172:4450
173:3227 174:920 175:1266 176:3656 177:4745 178:3786
179:2280 180:2576 181:4030 182:3370 183:2070 184:2310
185:21501 186:5122 187:4368 188:4204 189:4200 190:9633
191:1502 192:11189 193:9414 194:7756 195:5549 196:3264
197:3647 198:6123 199:8378 200:8170 201:6339 202:10401
203:10615 204:4498 205:3627 206:4602 207:3482 208:4184
209:5150 210:4563 211:2526 212:4505 213:3739 214:1058
215:42 216:6587 217:3114 218:1329 219:371 220:2093
221:1056 222:719 223:2318
End of report
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