[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat May 31 21:39:09 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sat 31 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: 985455
Prefixes after maximum aggregation (per Origin AS): 379722
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 482716
Number of IPv4 prefixes with a valid ROA: 548848
Number of IPv4 prefixes with an invalid ROA: 195
Number of IPv4 prefixes with no ROA: 436412
Total ASes present in the Internet Routing Table: 76914
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65895
Origin ASes announcing only one prefix: 26941
Transit ASes present in the Internet Routing Table: 11019
Transit-only ASes present in the Internet Routing Table: 552
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: 109
Max AS path prepend of ASN (150261) 100
Prefixes from unregistered ASNs in the Routing Table: 1155
Number of instances of unregistered ASNs: 1161
Number of 32-bit ASNs allocated by the RIRs: 46546
Number of 32-bit ASNs visible in the Routing Table: 38290
Prefixes from 32-bit ASNs in the Routing Table: 203860
Number of bogon 32-bit ASNs visible in the Routing Table: 36
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 462
Number of addresses announced to Internet: 3109302272
Equivalent to 185 /8s, 84 /16s and 48 /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: 322120
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258386
Total APNIC prefixes after maximum aggregation: 77173
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249428
Unique aggregates announced from the APNIC address blocks: 104273
APNIC Region origin ASes present in the Internet Routing Table: 14598
APNIC Prefixes per ASN: 17.09
APNIC Region origin ASes announcing only one prefix: 4449
APNIC Region transit ASes present in the Internet Routing Table: 1965
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 109
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10123
Number of APNIC addresses announced to Internet: 747815936
Equivalent to 44 /8s, 146 /16s and 196 /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: 291739
Total ARIN prefixes after maximum aggregation: 131150
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292421
Unique aggregates announced from the ARIN address blocks: 139408
ARIN Region origin ASes present in the Internet Routing Table: 19243
ARIN Prefixes per ASN: 15.20
ARIN Region origin ASes announcing only one prefix: 7057
ARIN Region transit ASes present in the Internet Routing Table: 1985
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5225
Number of ARIN addresses announced to Internet: 1352599552
Equivalent to 80 /8s, 159 /16s and 8 /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: 274759
Total RIPE prefixes after maximum aggregation: 134490
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273086
Unique aggregates announced from the RIPE address blocks: 175168
RIPE Region origin ASes present in the Internet Routing Table: 28927
RIPE Prefixes per ASN: 9.44
RIPE Region origin ASes announcing only one prefix: 12065
RIPE Region transit ASes present in the Internet Routing Table: 3992
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: 12453
Number of RIPE addresses announced to Internet: 731580928
Equivalent to 43 /8s, 155 /16s and 10 /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: 123828
Total LACNIC prefixes after maximum aggregation: 29500
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120198
Unique aggregates announced from the LACNIC address blocks: 49015
LACNIC Region origin ASes present in the Internet Routing Table: 11259
LACNIC Prefixes per ASN: 10.68
LACNIC Region origin ASes announcing only one prefix: 2678
LACNIC Region transit ASes present in the Internet Routing Table: 2511
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: 9214
Number of LACNIC addresses announced to Internet: 171858688
Equivalent to 10 /8s, 62 /16s and 91 /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: 35588
Total AfriNIC prefixes after maximum aggregation: 6679
AfriNIC Deaggregation factor: 5.33
Prefixes being announced from the AfriNIC address blocks: 49859
Unique aggregates announced from the AfriNIC address blocks: 14440
AfriNIC Region origin ASes present in the Internet Routing Table: 1910
AfriNIC Prefixes per ASN: 26.10
AfriNIC Region origin ASes announcing only one prefix: 692
AfriNIC Region transit ASes present in the Internet Routing Table: 373
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: 1275
Number of AfriNIC addresses announced to Internet: 105239552
Equivalent to 6 /8s, 69 /16s and 212 /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 11065 8756 97 CHINAMOBILE-CN China Mobile Communication
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4406 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4294 533 301 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 3268 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2878 854 528 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 13594 40828 5187 AMAZON-02, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3630 1320 81 SHAW, CA
22773 3620 3054 214 ASN-CXA-ALL-CCI-22773-RDC, US
174 3443 8747 896 COGENT-174, US
749 3231 54784 2482 DNIC-AS-00749, US
396982 3176 3853 421 GOOGLE-CLOUD-PLATFORM, US
16625 3146 1314 2265 AKAMAI-AS, US
36352 2816 230 852 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 7720 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4068 3395 127 AKAMAI-ASN1, NL
9009 3898 356 2071 M247, RO
12389 3073 2306 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 580 TELLCOM-AS, TR
212238 2224 161 1637 CDNEXT, GB
8452 1633 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1425 95 740 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 12164 3251 576 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
28573 1361 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1199 371 22 Telefonica del Peru S.A.A., PE
11664 1190 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1063 70 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1036 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 1652 389 17 LINKdotNET-AS, EG
29571 1611 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 1054 523 47 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 554 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 13594 40828 5187 AMAZON-02, US
8151 12164 3251 576 UNINET, MX
9808 11065 8756 97 CHINAMOBILE-CN China Mobile Communication
12479 7720 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 4406 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4294 533 301 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 12164 11588 UNINET, MX
9808 11065 10968 CHINAMOBILE-CN China Mobile Communications Grou
12479 7720 7572 UNI2-AS, ES
7545 6179 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4406 4381 FPT-AS-AP FPT Telecom Company, VN
11492 4735 4149 CABLEONE, US
9498 4294 3993 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 /15:2165 /16:13899 /17:8263 /18:13704
/19:24619 /20:44008 /21:51734 /22:112005 /23:102477 /24:610312
/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 6635 7720 UNI2-AS, ES
8151 6361 12164 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 2744 3620 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2374 13594 AMAZON-02, US
30036 2240 2582 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2186 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)
----------------------------------------------
1:2370 2:1525 3:803 4:9 5:4692 6:162
7:6 8:1575 9:1 11:172 12:1359 13:445
14:2520 15:360 16:285 17:376 18:920 20:542
21:4 22:188 23:7587 24:2808 25:2 27:2785
29:19 31:3287 32:36 33:1 34:80 35:214
36:3017 37:4628 38:9177 39:910 40:170 41:4226
42:1963 43:2599 44:382 45:18570 46:5100 47:318
49:1937 50:1886 51:591 52:1569 54:321 55:1097
56:11 57:263 58:2217 59:1222 60:1167 61:2791
62:2930 63:1805 64:5470 65:2067 66:4674 67:3066
68:1163 69:3944 70:1140 71:638 72:2864 74:2795
75:1519 76:615 77:2697 78:1909 79:1692 80:2205
81:2075 82:3114 83:1453 84:1866 85:3432 86:1071
87:2132 88:1322 89:4398 90:776 91:8377 92:2713
93:2916 94:4046 95:4355 96:1461 97:312 98:1019
99:689 100:72 101:1413 102:3853 103:32232 104:5066
105:766 106:1034 107:2673 108:1250 109:4067 110:2241
111:3280 112:2106 113:1804 114:1974 115:2189 116:2047
117:2576 118:2882 119:1910 120:1965 121:1380 122:2765
123:2193 124:1580 125:2858 126:91 128:1622 129:961
130:1317 131:1988 132:781 133:449 134:1545 135:333
136:1353 137:1264 138:2878 139:1596 140:1593 141:1507
142:1913 143:1792 144:1132 145:510 146:2190 147:2111
148:2698 149:2886 150:1244 151:1948 152:2089 153:568
154:8013 155:1988 156:3331 157:1916 158:1326 159:2479
160:3848 161:1847 162:3782 163:2189 164:1725 165:2219
166:1492 167:1922 168:4310 169:796 170:5095 171:1004
172:4446 173:3310 174:925 175:1300 176:3701 177:4666
178:3651 179:2294 180:2628 181:4076 182:3444 183:2074
184:2119 185:21600 186:5156 187:4491 188:4237 189:4270
190:9548 191:1466 192:11300 193:9477 194:7800 195:5536
196:3274 197:3654 198:6119 199:8509 200:8196 201:6333
202:10279 203:10650 204:4547 205:3600 206:4500 207:3514
208:4245 209:5116 210:4614 211:2534 212:4571 213:3737
214:1027 215:48 216:6759 217:3127 218:1348 219:379
220:2082 221:1106 222:723 223:2404
End of report
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