[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed May 14 21:39:55 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Wed 14 May, 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: 982920
Prefixes after maximum aggregation (per Origin AS): 378547
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479415
Number of IPv4 prefixes with a valid ROA: 544806
Number of IPv4 prefixes with an invalid ROA: 182
Number of IPv4 prefixes with no ROA: 437932
Total ASes present in the Internet Routing Table: 76880
Prefixes per ASN: 12.79
Origin-only ASes present in the Internet Routing Table: 65860
Origin ASes announcing only one prefix: 26954
Transit ASes present in the Internet Routing Table: 11020
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: 5.4
Max AS path length visible: 61
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 1132
Number of instances of unregistered ASNs: 1138
Number of 32-bit ASNs allocated by the RIRs: 46395
Number of 32-bit ASNs visible in the Routing Table: 38231
Prefixes from 32-bit ASNs in the Routing Table: 202053
Number of bogon 32-bit ASNs visible in the Routing Table: 35
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 489
Number of addresses announced to Internet: 3108877824
Equivalent to 185 /8s, 77 /16s and 182 /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: 321804
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258098
Total APNIC prefixes after maximum aggregation: 76920
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 248647
Unique aggregates announced from the APNIC address blocks: 103170
APNIC Region origin ASes present in the Internet Routing Table: 14599
APNIC Prefixes per ASN: 17.03
APNIC Region origin ASes announcing only one prefix: 4454
APNIC Region transit ASes present in the Internet Routing Table: 1960
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 36
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10117
Number of APNIC addresses announced to Internet: 747663104
Equivalent to 44 /8s, 144 /16s and 111 /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: 290185
Total ARIN prefixes after maximum aggregation: 130557
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 291500
Unique aggregates announced from the ARIN address blocks: 138610
ARIN Region origin ASes present in the Internet Routing Table: 19242
ARIN Prefixes per ASN: 15.15
ARIN Region origin ASes announcing only one prefix: 7046
ARIN Region transit ASes present in the Internet Routing Table: 1990
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: 5209
Number of ARIN addresses announced to Internet: 1353107200
Equivalent to 80 /8s, 166 /16s and 199 /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: 274039
Total RIPE prefixes after maximum aggregation: 134087
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 272097
Unique aggregates announced from the RIPE address blocks: 174447
RIPE Region origin ASes present in the Internet Routing Table: 28916
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12065
RIPE Region transit ASes present in the Internet Routing Table: 3984
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12441
Number of RIPE addresses announced to Internet: 730918912
Equivalent to 43 /8s, 144 /16s and 240 /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: 123779
Total LACNIC prefixes after maximum aggregation: 29486
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120135
Unique aggregates announced from the LACNIC address blocks: 48904
LACNIC Region origin ASes present in the Internet Routing Table: 11236
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2693
LACNIC Region transit ASes present in the Internet Routing Table: 2505
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: 9182
Number of LACNIC addresses announced to Internet: 171733760
Equivalent to 10 /8s, 60 /16s and 115 /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: 35687
Total AfriNIC prefixes after maximum aggregation: 6775
AfriNIC Deaggregation factor: 5.27
Prefixes being announced from the AfriNIC address blocks: 50051
Unique aggregates announced from the AfriNIC address blocks: 13881
AfriNIC Region origin ASes present in the Internet Routing Table: 1913
AfriNIC Prefixes per ASN: 26.16
AfriNIC Region origin ASes announcing only one prefix: 696
AfriNIC Region transit ASes present in the Internet Routing Table: 378
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: 1282
Number of AfriNIC addresses announced to Internet: 105226752
Equivalent to 6 /8s, 69 /16s and 162 /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 10920 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6164 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4393 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4277 533 300 BBIL-AP BHARTI Airtel Ltd., IN
7552 3908 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3690 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3260 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4766 2172 11522 647 KIXS-AS-KR Korea Telecom, KR
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 13379 40826 4955 AMAZON-02, US
11492 4727 313 592 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
22773 3615 3053 213 ASN-CXA-ALL-CCI-22773-RDC, US
174 3478 8751 915 COGENT-174, US
749 3253 54861 2504 DNIC-AS-00749, US
396982 3166 3852 417 GOOGLE-CLOUD-PLATFORM, US
16625 3155 1320 2267 AKAMAI-AS, US
36352 2789 228 848 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 7697 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4061 3395 127 AKAMAI-ASN1, NL
9009 3782 325 1958 M247, RO
12389 3069 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 581 TELLCOM-AS, TR
212238 2143 151 1577 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1604 1852 14 TE-AS TE-AS, EG
62240 1421 94 736 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 12089 3246 579 UNINET, MX
10620 3500 480 1019 Telmex Colombia S.A., CO
13999 2517 540 360 Mega Cable, S.A. de C.V., MX
11830 1996 369 64 Instituto Costarricense de Electricidad y
28573 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1204 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1190 371 22 Telefonica del Peru S.A.A., PE
22884 1058 70 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1042 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 1778 632 28 RAYA-AS, EG
24863 1652 389 16 LINKdotNET-AS, EG
29571 1597 102 33 ORANGE-COTE-IVOIRE, CI
36992 1432 1519 280 ETISALAT-MISR, EG
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1040 523 45 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 552 82 3 KENET-AS, KE
15399 532 56 54 WANANCHI-, 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 13379 40826 4955 AMAZON-02, US
8151 12089 3246 579 UNINET, MX
9808 10920 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7697 1714 148 UNI2-AS, ES
7545 6164 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4727 313 592 CABLEONE, US
18403 4393 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4277 533 300 BBIL-AP BHARTI Airtel Ltd., IN
20940 4061 3395 127 AKAMAI-ASN1, NL
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 12089 11510 UNINET, MX
9808 10920 10824 CHINAMOBILE-CN China Mobile Communications Grou
12479 7697 7549 UNI2-AS, ES
7545 6164 5510 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4393 4368 FPT-AS-AP FPT Telecom Company, VN
11492 4727 4135 CABLEONE, US
9498 4277 3977 BBIL-AP BHARTI Airtel Ltd., IN
20940 4061 3934 AKAMAI-ASN1, NL
7552 3908 3882 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
23.138.212.0/24 Origin: 400910 MOOSE, US
23.138.212.0/24 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
23.147.240.0/24 Origin: 32302 CIBC-US, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
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 /12:300
/13:582 /14:1223 /15:2167 /16:13977 /17:8254 /18:13713
/19:24615 /20:43889 /21:51660 /22:111879 /23:101974 /24:608520
/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 6615 7697 UNI2-AS, ES
8151 6288 12089 UNINET, MX
11492 3533 4727 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2741 3615 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2330 13379 AMAZON-02, US
30036 2222 2563 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2186 3500 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)
----------------------------------------------
1:2333 2:1532 3:729 4:11 5:4686 6:163
7:6 8:1585 9:1 11:172 12:1365 13:413
14:2518 15:353 16:284 17:372 18:917 20:518
21:4 22:188 23:7556 24:2804 25:2 27:2773
29:19 31:3261 32:37 33:1 34:80 35:204
36:2814 37:4643 38:9123 39:909 40:169 41:4215
42:2004 43:2577 44:382 45:18559 46:5064 47:301
49:1931 50:1884 51:587 52:1555 54:313 55:1094
56:11 57:258 58:2216 59:1216 60:1166 61:2777
62:2921 63:1816 64:5480 65:2061 66:4679 67:3070
68:1153 69:3937 70:1128 71:634 72:2850 74:2787
75:1619 76:614 77:2704 78:1896 79:1756 80:2201
81:2073 82:3144 83:1432 84:1863 85:3432 86:1068
87:2161 88:1322 89:4369 90:774 91:8347 92:2689
93:2893 94:4042 95:4318 96:1463 97:312 98:1019
99:685 100:72 101:1152 102:3948 103:32207 104:5027
105:762 106:1034 107:2667 108:1205 109:4075 110:2235
111:3324 112:2068 113:1788 114:1968 115:2200 116:2048
117:2674 118:2889 119:1952 120:1922 121:1374 122:2753
123:2178 124:1569 125:2844 126:91 128:1619 129:958
130:1300 131:1953 132:783 133:451 134:1543 135:332
136:1347 137:1261 138:2885 139:1602 140:1588 141:1501
142:1900 143:1737 144:1099 145:505 146:2168 147:2105
148:2684 149:2859 150:1214 151:1895 152:2087 153:560
154:8051 155:1958 156:3331 157:1893 158:1304 159:2450
160:3847 161:1879 162:3734 163:2144 164:1696 165:2194
166:1460 167:1904 168:4306 169:793 170:5100 171:1010
172:4453 173:3278 174:920 175:1302 176:3683 177:4692
178:3622 179:2281 180:2622 181:4068 182:3431 183:2121
184:2118 185:21591 186:5118 187:4435 188:4240 189:4250
190:9550 191:1458 192:11250 193:9496 194:7771 195:5510
196:3297 197:3720 198:6109 199:8477 200:8209 201:6339
202:10280 203:10622 204:4539 205:3506 206:4512 207:3497
208:4282 209:5157 210:4592 211:2540 212:4537 213:3728
214:1033 215:48 216:6734 217:3140 218:1342 219:375
220:2076 221:1086 222:718 223:2382
End of report
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