[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed May 21 21:38:51 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Wed 21 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: 983126
Prefixes after maximum aggregation (per Origin AS): 378830
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479965
Number of IPv4 prefixes with a valid ROA: 545937
Number of IPv4 prefixes with an invalid ROA: 180
Number of IPv4 prefixes with no ROA: 437009
Total ASes present in the Internet Routing Table: 76841
Prefixes per ASN: 12.79
Origin-only ASes present in the Internet Routing Table: 65843
Origin ASes announcing only one prefix: 26941
Transit ASes present in the Internet Routing Table: 10998
Transit-only ASes present in the Internet Routing Table: 545
Paths with bogon ASNs present in the IPv4 Routing Table: 310
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 102
Max AS path prepend of ASN ( 37447) 98
Prefixes from unregistered ASNs in the Routing Table: 1124
Number of instances of unregistered ASNs: 1130
Number of 32-bit ASNs allocated by the RIRs: 46478
Number of 32-bit ASNs visible in the Routing Table: 38212
Prefixes from 32-bit ASNs in the Routing Table: 202977
Number of bogon 32-bit ASNs visible in the Routing Table: 37
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 449
Number of addresses announced to Internet: 3108729856
Equivalent to 185 /8s, 75 /16s and 116 /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: 321181
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257893
Total APNIC prefixes after maximum aggregation: 77051
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249089
Unique aggregates announced from the APNIC address blocks: 103149
APNIC Region origin ASes present in the Internet Routing Table: 14584
APNIC Prefixes per ASN: 17.08
APNIC Region origin ASes announcing only one prefix: 4441
APNIC Region transit ASes present in the Internet Routing Table: 1956
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: 10103
Number of APNIC addresses announced to Internet: 747677952
Equivalent to 44 /8s, 144 /16s and 169 /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: 291166
Total ARIN prefixes after maximum aggregation: 130927
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 291690
Unique aggregates announced from the ARIN address blocks: 139152
ARIN Region origin ASes present in the Internet Routing Table: 19228
ARIN Prefixes per ASN: 15.17
ARIN Region origin ASes announcing only one prefix: 7042
ARIN Region transit ASes present in the Internet Routing Table: 1988
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: 5206
Number of ARIN addresses announced to Internet: 1352823296
Equivalent to 80 /8s, 162 /16s and 114 /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: 273718
Total RIPE prefixes after maximum aggregation: 134048
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 271950
Unique aggregates announced from the RIPE address blocks: 174705
RIPE Region origin ASes present in the Internet Routing Table: 28911
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12068
RIPE Region transit ASes present in the Internet Routing Table: 3981
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: 731410176
Equivalent to 43 /8s, 152 /16s and 111 /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: 123791
Total LACNIC prefixes after maximum aggregation: 29460
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120188
Unique aggregates announced from the LACNIC address blocks: 48917
LACNIC Region origin ASes present in the Internet Routing Table: 11237
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2691
LACNIC Region transit ASes present in the Internet Routing Table: 2501
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: 171744256
Equivalent to 10 /8s, 60 /16s and 156 /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: 35434
Total AfriNIC prefixes after maximum aggregation: 6634
AfriNIC Deaggregation factor: 5.34
Prefixes being announced from the AfriNIC address blocks: 49759
Unique aggregates announced from the AfriNIC address blocks: 13645
AfriNIC Region origin ASes present in the Internet Routing Table: 1915
AfriNIC Prefixes per ASN: 25.98
AfriNIC Region origin ASes announcing only one prefix: 699
AfriNIC Region transit ASes present in the Internet Routing Table: 376
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 102
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1280
Number of AfriNIC addresses announced to Internet: 104859904
Equivalent to 6 /8s, 64 /16s and 9 /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 11093 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6173 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4459 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4285 534 301 BBIL-AP BHARTI Airtel Ltd., IN
7552 3907 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3693 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3265 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
4755 2166 434 194 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 13425 40827 5088 AMAZON-02, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
22773 3622 3054 214 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3621 1320 81 SHAW, CA
174 3428 8746 882 COGENT-174, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3165 3851 417 GOOGLE-CLOUD-PLATFORM, US
16625 3151 1319 2267 AKAMAI-AS, US
36352 2827 231 858 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 7709 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4066 3395 127 AKAMAI-ASN1, NL
9009 3802 330 2017 M247, RO
12389 3071 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2389 360 579 TELLCOM-AS, TR
212238 2144 150 1575 CDNEXT, GB
8452 1633 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1423 94 738 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 12139 3251 582 UNINET, MX
10620 3499 480 1018 Telmex Colombia S.A., CO
13999 2510 540 364 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 1205 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1198 371 22 Telefonica del Peru S.A.A., PE
22884 1060 70 382 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 1653 389 17 LINKdotNET-AS, EG
29571 1603 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 1037 523 46 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 542 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 13425 40827 5088 AMAZON-02, US
8151 12139 3251 582 UNINET, MX
9808 11093 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7709 1714 148 UNI2-AS, ES
7545 6173 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4735 314 586 CABLEONE, US
18403 4459 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4285 534 301 BBIL-AP BHARTI Airtel Ltd., IN
20940 4066 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 12139 11557 UNINET, MX
9808 11093 10997 CHINAMOBILE-CN China Mobile Communications Grou
12479 7709 7561 UNI2-AS, ES
7545 6173 5522 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4459 4434 FPT-AS-AP FPT Telecom Company, VN
11492 4735 4149 CABLEONE, US
9498 4285 3984 BBIL-AP BHARTI Airtel Ltd., IN
20940 4066 3939 AKAMAI-ASN1, NL
7552 3907 3881 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
23.140.216.0/24 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
23.146.16.0/24 Origin: 396281 RESERVED, ZZ
23.146.16.0/24 Transit: 7018 ATT-INTERNET4, US
23.146.19.0/24 Origin: 396281 RESERVED, ZZ
23.146.19.0/24 Transit: 7018 ATT-INTERNET4, 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 /11:92 /12:299
/13:583 /14:1223 /15:2165 /16:13971 /17:8255 /18:13687
/19:24607 /20:43896 /21:51677 /22:111808 /23:102093 /24:608696
/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 6625 7709 UNI2-AS, ES
8151 6331 12139 UNINET, MX
11492 3532 4735 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2746 3622 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2319 13425 AMAZON-02, US
30036 2234 2575 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2185 3499 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)
----------------------------------------------
1:2368 2:1525 3:768 4:11 5:4700 6:163
7:6 8:1584 9:1 11:172 12:1362 13:430
14:2516 15:353 16:284 17:376 18:918 20:527
21:4 22:188 23:7583 24:2806 25:2 27:2775
29:19 31:3268 32:36 33:1 34:80 35:207
36:2952 37:4623 38:9105 39:910 40:169 41:4226
42:2001 43:2589 44:385 45:18566 46:5062 47:302
49:1933 50:1889 51:590 52:1558 54:313 55:1096
56:11 57:260 58:2218 59:1216 60:1167 61:2790
62:2921 63:1805 64:5474 65:2066 66:4661 67:3068
68:1157 69:3930 70:1125 71:634 72:2842 74:2773
75:1519 76:615 77:2706 78:1909 79:1712 80:2203
81:2082 82:3110 83:1431 84:1859 85:3423 86:1066
87:2137 88:1320 89:4378 90:775 91:8364 92:2700
93:2896 94:4048 95:4326 96:1462 97:311 98:1020
99:686 100:71 101:1176 102:3873 103:32182 104:5052
105:762 106:1034 107:2673 108:1218 109:3766 110:2242
111:3326 112:2088 113:1799 114:1971 115:2178 116:2048
117:2593 118:2884 119:1955 120:1945 121:1380 122:2761
123:2190 124:1585 125:2853 126:91 128:1626 129:962
130:1299 131:1972 132:781 133:451 134:1544 135:332
136:1353 137:1261 138:2895 139:1602 140:1589 141:1501
142:1900 143:1761 144:1102 145:504 146:2191 147:2111
148:2702 149:2873 150:1213 151:1929 152:2094 153:564
154:8119 155:1977 156:3274 157:1906 158:1321 159:2455
160:3826 161:1881 162:3755 163:2162 164:1701 165:2202
166:1480 167:1906 168:4292 169:796 170:5081 171:1008
172:4445 173:3295 174:925 175:1298 176:3699 177:4667
178:3631 179:2290 180:2630 181:4064 182:3441 183:2143
184:2113 185:21576 186:5154 187:4441 188:4256 189:4273
190:9547 191:1500 192:11224 193:9477 194:7772 195:5522
196:3267 197:3655 198:6110 199:8489 200:8194 201:6348
202:10282 203:10614 204:4534 205:3602 206:4490 207:3498
208:4265 209:5162 210:4589 211:2542 212:4548 213:3729
214:1026 215:48 216:6752 217:3137 218:1340 219:380
220:2080 221:1095 222:719 223:2390
End of report
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