[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed May 28 21:39:16 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Wed 28 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: 984519
Prefixes after maximum aggregation (per Origin AS): 379323
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 481764
Number of IPv4 prefixes with a valid ROA: 548350
Number of IPv4 prefixes with an invalid ROA: 193
Number of IPv4 prefixes with no ROA: 435976
Total ASes present in the Internet Routing Table: 76911
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65911
Origin ASes announcing only one prefix: 26968
Transit ASes present in the Internet Routing Table: 11000
Transit-only ASes present in the Internet Routing Table: 544
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: 70
Max AS path prepend of ASN ( 37447) 66
Prefixes from unregistered ASNs in the Routing Table: 1160
Number of instances of unregistered ASNs: 1166
Number of 32-bit ASNs allocated by the RIRs: 46523
Number of 32-bit ASNs visible in the Routing Table: 38284
Prefixes from 32-bit ASNs in the Routing Table: 203833
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: 467
Number of addresses announced to Internet: 3108975616
Equivalent to 185 /8s, 79 /16s and 52 /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: 322213
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257878
Total APNIC prefixes after maximum aggregation: 77051
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249011
Unique aggregates announced from the APNIC address blocks: 104282
APNIC Region origin ASes present in the Internet Routing Table: 14593
APNIC Prefixes per ASN: 17.06
APNIC Region origin ASes announcing only one prefix: 4444
APNIC Region transit ASes present in the Internet Routing Table: 1958
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: 10120
Number of APNIC addresses announced to Internet: 747773952
Equivalent to 44 /8s, 146 /16s and 32 /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: 291324
Total ARIN prefixes after maximum aggregation: 130976
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292046
Unique aggregates announced from the ARIN address blocks: 139421
ARIN Region origin ASes present in the Internet Routing Table: 19242
ARIN Prefixes per ASN: 15.18
ARIN Region origin ASes announcing only one prefix: 7065
ARIN Region transit ASes present in the Internet Routing Table: 1983
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: 5221
Number of ARIN addresses announced to Internet: 1352449536
Equivalent to 80 /8s, 156 /16s and 190 /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: 274561
Total RIPE prefixes after maximum aggregation: 134403
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 272835
Unique aggregates announced from the RIPE address blocks: 174982
RIPE Region origin ASes present in the Internet Routing Table: 28932
RIPE Prefixes per ASN: 9.43
RIPE Region origin ASes announcing only one prefix: 12077
RIPE Region transit ASes present in the Internet Routing Table: 3990
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: 12457
Number of RIPE addresses announced to Internet: 731483392
Equivalent to 43 /8s, 153 /16s and 141 /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: 124055
Total LACNIC prefixes after maximum aggregation: 29472
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 120415
Unique aggregates announced from the LACNIC address blocks: 48975
LACNIC Region origin ASes present in the Internet Routing Table: 11257
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2687
LACNIC Region transit ASes present in the Internet Routing Table: 2502
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: 9206
Number of LACNIC addresses announced to Internet: 171831296
Equivalent to 10 /8s, 61 /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: 35541
Total AfriNIC prefixes after maximum aggregation: 6687
AfriNIC Deaggregation factor: 5.31
Prefixes being announced from the AfriNIC address blocks: 49744
Unique aggregates announced from the AfriNIC address blocks: 13693
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: 695
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: 70
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1280
Number of AfriNIC addresses announced to Internet: 105224448
Equivalent to 6 /8s, 69 /16s and 153 /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 11049 8756 97 CHINAMOBILE-CN China Mobile Communication
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4393 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4286 533 299 BBIL-AP BHARTI Airtel Ltd., IN
7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3694 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3267 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2870 853 530 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2166 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 13562 40827 5184 AMAZON-02, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3630 1320 81 SHAW, CA
22773 3619 3053 212 ASN-CXA-ALL-CCI-22773-RDC, US
174 3430 8746 887 COGENT-174, US
749 3231 54784 2482 DNIC-AS-00749, US
396982 3171 3853 419 GOOGLE-CLOUD-PLATFORM, US
16625 3143 1310 2257 AKAMAI-AS, US
36352 2819 230 854 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 7707 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4068 3395 127 AKAMAI-ASN1, NL
9009 3911 356 2083 M247, RO
12389 3073 2306 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 580 TELLCOM-AS, TR
212238 2193 156 1622 CDNEXT, GB
8452 1633 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1424 95 739 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 12169 3254 584 UNINET, MX
10620 3500 480 1017 Telmex Colombia S.A., CO
13999 2511 540 365 Mega Cable, S.A. de C.V., MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
28573 1357 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1198 371 22 Telefonica del Peru S.A.A., PE
11664 1190 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1062 70 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1041 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 1780 644 27 RAYA-AS, EG
24863 1653 389 17 LINKdotNET-AS, EG
29571 1609 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 990 523 47 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 557 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 13562 40827 5184 AMAZON-02, US
8151 12169 3254 584 UNINET, MX
9808 11049 8756 97 CHINAMOBILE-CN China Mobile Communication
12479 7707 1714 148 UNI2-AS, ES
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4735 314 586 CABLEONE, US
18403 4393 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4286 533 299 BBIL-AP BHARTI Airtel Ltd., IN
20940 4068 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 12169 11585 UNINET, MX
9808 11049 10952 CHINAMOBILE-CN China Mobile Communications Grou
12479 7707 7559 UNI2-AS, ES
7545 6179 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4393 4368 FPT-AS-AP FPT Telecom Company, VN
11492 4735 4149 CABLEONE, US
9498 4286 3987 BBIL-AP BHARTI Airtel Ltd., IN
20940 4068 3941 AKAMAI-ASN1, NL
7552 3923 3897 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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 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 /14:1221 /15:2164 /16:13897 /17:8262 /18:13694
/19:24625 /20:43998 /21:51681 /22:111908 /23:102441 /24:609580
/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 6620 7707 UNI2-AS, ES
8151 6359 12169 UNINET, MX
11492 3532 4735 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3426 3630 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2745 3619 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2381 13562 AMAZON-02, US
30036 2237 2579 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)
----------------------------------------------
1:2370 2:1525 3:794 4:9 5:4710 6:162
7:6 8:1576 9:1 11:172 12:1362 13:438
14:2522 15:355 16:285 17:376 18:920 20:542
21:4 22:188 23:7587 24:2808 25:2 27:2785
29:19 31:3277 32:36 33:1 34:80 35:212
36:2970 37:4625 38:9168 39:907 40:170 41:4238
42:1963 43:2589 44:383 45:18591 46:5084 47:301
49:1937 50:1889 51:590 52:1566 54:320 55:879
56:11 57:263 58:2218 59:1223 60:1168 61:2791
62:2923 63:1802 64:5476 65:2067 66:4671 67:3069
68:1161 69:3942 70:1141 71:638 72:2856 74:2794
75:1519 76:615 77:2701 78:1910 79:1683 80:2207
81:2089 82:3110 83:1448 84:1867 85:3425 86:1068
87:2133 88:1321 89:4390 90:775 91:8368 92:2722
93:2910 94:4056 95:4350 96:1460 97:312 98:1019
99:686 100:72 101:1176 102:3876 103:32232 104:5059
105:766 106:1034 107:2672 108:1248 109:4035 110:2243
111:3285 112:2113 113:1807 114:1976 115:2184 116:2039
117:2575 118:2870 119:1912 120:1955 121:1380 122:2765
123:2190 124:1579 125:2856 126:91 128:1627 129:960
130:1321 131:1982 132:784 133:451 134:1543 135:333
136:1353 137:1261 138:2900 139:1595 140:1595 141:1509
142:1906 143:1782 144:1117 145:512 146:2187 147:2112
148:2697 149:2893 150:1245 151:1933 152:2088 153:565
154:7996 155:1990 156:3273 157:1918 158:1327 159:2475
160:3841 161:1835 162:3770 163:2185 164:1726 165:2214
166:1491 167:1925 168:4310 169:792 170:5085 171:1011
172:4434 173:3304 174:922 175:1304 176:3689 177:4764
178:3642 179:2338 180:2630 181:4067 182:3407 183:2064
184:2120 185:21593 186:5154 187:4499 188:4241 189:4309
190:9552 191:1477 192:11308 193:9471 194:7782 195:5533
196:3269 197:3646 198:6115 199:8499 200:8134 201:6327
202:10301 203:10653 204:4544 205:3604 206:4512 207:3501
208:4259 209:5127 210:4593 211:2533 212:4559 213:3731
214:1029 215:48 216:6764 217:3127 218:1349 219:379
220:2081 221:1106 222:723 223:2406
End of report
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