[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jun 15 21:39:59 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sun 15 Jun, 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: 985705
Prefixes after maximum aggregation (per Origin AS): 380409
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482570
Number of IPv4 prefixes with a valid ROA: 549866
Number of IPv4 prefixes with an invalid ROA: 185
Number of IPv4 prefixes with no ROA: 435654
Total ASes present in the Internet Routing Table: 76969
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65953
Origin ASes announcing only one prefix: 26903
Transit ASes present in the Internet Routing Table: 11016
Transit-only ASes present in the Internet Routing Table: 562
Paths with bogon ASNs present in the IPv4 Routing Table: 318
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 56
Max AS path prepend of ASN ( 24691) 51
Prefixes from unregistered ASNs in the Routing Table: 1267
Number of instances of unregistered ASNs: 1301
Number of 32-bit ASNs allocated by the RIRs: 46661
Number of 32-bit ASNs visible in the Routing Table: 38373
Prefixes from 32-bit ASNs in the Routing Table: 203657
Number of bogon 32-bit ASNs visible in the Routing Table: 102
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 447
Number of addresses announced to Internet: 3108950528
Equivalent to 185 /8s, 78 /16s and 210 /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: 322898
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258442
Total APNIC prefixes after maximum aggregation: 77169
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249969
Unique aggregates announced from the APNIC address blocks: 104558
APNIC Region origin ASes present in the Internet Routing Table: 14621
APNIC Prefixes per ASN: 17.10
APNIC Region origin ASes announcing only one prefix: 4455
APNIC Region transit ASes present in the Internet Routing Table: 1957
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10147
Number of APNIC addresses announced to Internet: 747910400
Equivalent to 44 /8s, 148 /16s and 53 /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: 290724
Total ARIN prefixes after maximum aggregation: 131268
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292627
Unique aggregates announced from the ARIN address blocks: 139390
ARIN Region origin ASes present in the Internet Routing Table: 19230
ARIN Prefixes per ASN: 15.22
ARIN Region origin ASes announcing only one prefix: 7027
ARIN Region transit ASes present in the Internet Routing Table: 1998
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: 5227
Number of ARIN addresses announced to Internet: 1352675840
Equivalent to 80 /8s, 160 /16s and 50 /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: 275440
Total RIPE prefixes after maximum aggregation: 134842
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 274066
Unique aggregates announced from the RIPE address blocks: 175738
RIPE Region origin ASes present in the Internet Routing Table: 28941
RIPE Prefixes per ASN: 9.47
RIPE Region origin ASes announcing only one prefix: 12063
RIPE Region transit ASes present in the Internet Routing Table: 3995
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 56
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12498
Number of RIPE addresses announced to Internet: 731288576
Equivalent to 43 /8s, 150 /16s and 148 /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: 124174
Total LACNIC prefixes after maximum aggregation: 29570
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120481
Unique aggregates announced from the LACNIC address blocks: 48966
LACNIC Region origin ASes present in the Internet Routing Table: 11260
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2659
LACNIC Region transit ASes present in the Internet Routing Table: 2504
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9215
Number of LACNIC addresses announced to Internet: 171809280
Equivalent to 10 /8s, 61 /16s and 154 /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: 35658
Total AfriNIC prefixes after maximum aggregation: 6718
AfriNIC Deaggregation factor: 5.31
Prefixes being announced from the AfriNIC address blocks: 48114
Unique aggregates announced from the AfriNIC address blocks: 13522
AfriNIC Region origin ASes present in the Internet Routing Table: 1923
AfriNIC Prefixes per ASN: 25.02
AfriNIC Region origin ASes announcing only one prefix: 699
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: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet: 105059584
Equivalent to 6 /8s, 67 /16s and 21 /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 11080 8758 100 CHINAMOBILE-CN China Mobile Communication
7545 6174 847 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4450 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4313 534 304 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3695 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3272 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2886 856 531 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4755 2176 434 193 TATACOMM-AS TATA Communications formerly
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
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 13673 40939 5241 AMAZON-02, US
11492 4762 316 595 CABLEONE, US
7155 3862 286 85 VIASAT-SP-BACKBONE, US
6327 3635 1320 81 SHAW, CA
22773 3607 3037 211 ASN-CXA-ALL-CCI-22773-RDC, US
174 3545 8745 879 COGENT-174, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3186 3854 426 GOOGLE-CLOUD-PLATFORM, US
16625 3139 1313 2258 AKAMAI-AS, US
36352 2815 230 855 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 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4064 3395 127 AKAMAI-ASN1, NL
9009 3887 358 2090 M247, RO
12389 3106 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 579 TELLCOM-AS, TR
212238 2246 164 1635 CDNEXT, GB
8452 1636 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1413 94 737 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 12195 3254 578 UNINET, MX
10620 3501 481 1018 Telmex Colombia S.A., CO
13999 2491 541 357 Mega Cable, S.A. de C.V., MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
28573 1371 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1204 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1201 371 22 Telefonica del Peru S.A.A., PE
22884 1063 70 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1035 2503 52 TIM SA, BR
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 1820 644 27 RAYA-AS, EG
24863 1634 389 17 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1050 520 44 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 559 82 3 KENET-AS, KE
15399 530 56 53 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 13673 40939 5241 AMAZON-02, US
8151 12195 3254 578 UNINET, MX
9808 11080 8758 100 CHINAMOBILE-CN China Mobile Communication
12479 7697 1713 148 UNI2-AS, ES
7545 6174 847 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4762 316 595 CABLEONE, US
18403 4450 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4313 534 304 BBIL-AP BHARTI Airtel Ltd., IN
20940 4064 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 12195 11617 UNINET, MX
9808 11080 10980 CHINAMOBILE-CN China Mobile Communications Grou
12479 7697 7549 UNI2-AS, ES
7545 6174 5523 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4450 4425 FPT-AS-AP FPT Telecom Company, VN
11492 4762 4167 CABLEONE, US
9498 4313 4009 BBIL-AP BHARTI Airtel Ltd., IN
20940 4064 3937 AKAMAI-ASN1, NL
7552 3919 3893 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
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
394804 UNALLOCATED 8.33.225.0/24 3356 LEVEL3, 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
23.140.216.0/24 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 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
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 /9:14 /10:41 /11:92 /12:300
/13:584 /14:1220 /15:2160 /16:13900 /17:8246 /18:13694
/19:24571 /20:44005 /21:51761 /22:112090 /23:102722 /24:610288
/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 6617 7697 UNI2-AS, ES
8151 6413 12195 UNINET, MX
11492 3559 4762 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3431 3635 SHAW, CA
7155 2821 3862 VIASAT-SP-BACKBONE, US
22773 2736 3607 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2366 13673 AMAZON-02, US
30036 2251 2593 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2188 3501 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)
----------------------------------------------
1:2366 2:1517 3:819 4:10 5:4762 6:162
7:6 8:1572 9:1 11:172 12:1346 13:454
14:2520 15:360 16:285 17:378 18:921 20:545
21:4 22:188 23:7639 24:2869 25:2 27:2783
29:19 31:3296 32:36 33:1 34:80 35:253
36:3085 37:4580 38:9358 39:908 40:166 41:4232
42:1992 43:2610 44:384 45:18581 46:5133 47:318
49:1941 50:1890 51:591 52:1571 54:329 55:1090
56:11 57:269 58:2219 59:1183 60:1171 61:2798
62:2938 63:1801 64:5468 65:2064 66:4665 67:3071
68:1157 69:3948 70:1133 71:632 72:2831 74:2799
75:1512 76:616 77:2717 78:1899 79:1717 80:2217
81:2066 82:3168 83:1445 84:1876 85:3464 86:1082
87:2147 88:1330 89:4410 90:770 91:8414 92:2732
93:2918 94:3999 95:4359 96:1467 97:311 98:1022
99:696 100:73 101:1409 102:3843 103:32243 104:5149
105:761 106:1034 107:2690 108:1243 109:4089 110:2228
111:3274 112:2130 113:1806 114:1989 115:2142 116:2061
117:2571 118:2884 119:1910 120:2000 121:1380 122:2779
123:2197 124:1588 125:2860 126:91 128:1620 129:952
130:1303 131:2028 132:781 133:449 134:1529 135:346
136:1349 137:1258 138:2837 139:1597 140:1603 141:1510
142:1901 143:1836 144:1163 145:544 146:2186 147:2106
148:2699 149:2893 150:1253 151:1974 152:2094 153:577
154:7326 155:1744 156:2998 157:1922 158:1327 159:2494
160:3607 161:1855 162:3856 163:2214 164:1855 165:1979
166:1493 167:1962 168:4022 169:799 170:5123 171:1023
172:4484 173:3327 174:927 175:1303 176:3704 177:4681
178:3723 179:2313 180:2637 181:4059 182:3441 183:2095
184:2126 185:21584 186:5194 187:4517 188:4262 189:4273
190:9612 191:1490 192:11314 193:9488 194:7809 195:5548
196:3306 197:3657 198:6120 199:8505 200:8222 201:6369
202:10280 203:10661 204:4552 205:3598 206:4501 207:3533
208:4279 209:5116 210:4609 211:2535 212:4580 213:3743
214:1026 215:48 216:6769 217:3170 218:1355 219:388
220:2078 221:1139 222:725 223:2465
End of report
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