[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri May 2 21:40:27 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Fri 02 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: 980536
Prefixes after maximum aggregation (per Origin AS): 377130
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 478814
Number of IPv4 prefixes with a valid ROA: 543559
Number of IPv4 prefixes with an invalid ROA: 174
Number of IPv4 prefixes with no ROA: 436803
Total ASes present in the Internet Routing Table: 76850
Prefixes per ASN: 12.76
Origin-only ASes present in the Internet Routing Table: 65843
Origin ASes announcing only one prefix: 26949
Transit ASes present in the Internet Routing Table: 11007
Transit-only ASes present in the Internet Routing Table: 548
Paths with bogon ASNs present in the IPv4 Routing Table: 304
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: 1184
Number of instances of unregistered ASNs: 1187
Number of 32-bit ASNs allocated by the RIRs: 46309
Number of 32-bit ASNs visible in the Routing Table: 38177
Prefixes from 32-bit ASNs in the Routing Table: 201291
Number of bogon 32-bit ASNs visible in the Routing Table: 30
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 472
Number of addresses announced to Internet: 3104344064
Equivalent to 185 /8s, 8 /16s and 136 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 321498
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 256716
Total APNIC prefixes after maximum aggregation: 76830
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 247939
Unique aggregates announced from the APNIC address blocks: 103172
APNIC Region origin ASes present in the Internet Routing Table: 14592
APNIC Prefixes per ASN: 16.99
APNIC Region origin ASes announcing only one prefix: 4446
APNIC Region transit ASes present in the Internet Routing Table: 1970
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: 10105
Number of APNIC addresses announced to Internet: 747398144
Equivalent to 44 /8s, 140 /16s and 100 /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: 289794
Total ARIN prefixes after maximum aggregation: 129654
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 291065
Unique aggregates announced from the ARIN address blocks: 138449
ARIN Region origin ASes present in the Internet Routing Table: 19239
ARIN Prefixes per ASN: 15.13
ARIN Region origin ASes announcing only one prefix: 7041
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: 36
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5198
Number of ARIN addresses announced to Internet: 1348564736
Equivalent to 80 /8s, 97 /16s and 119 /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: 273968
Total RIPE prefixes after maximum aggregation: 133819
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271838
Unique aggregates announced from the RIPE address blocks: 174073
RIPE Region origin ASes present in the Internet Routing Table: 28907
RIPE Prefixes per ASN: 9.40
RIPE Region origin ASes announcing only one prefix: 12055
RIPE Region transit ASes present in the Internet Routing Table: 3985
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: 12418
Number of RIPE addresses announced to Internet: 731375872
Equivalent to 43 /8s, 151 /16s and 233 /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: 123471
Total LACNIC prefixes after maximum aggregation: 29346
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 119991
Unique aggregates announced from the LACNIC address blocks: 48810
LACNIC Region origin ASes present in the Internet Routing Table: 11234
LACNIC Prefixes per ASN: 10.68
LACNIC Region origin ASes announcing only one prefix: 2712
LACNIC Region transit ASes present in the Internet Routing Table: 2470
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: 9181
Number of LACNIC addresses announced to Internet: 171684864
Equivalent to 10 /8s, 59 /16s and 180 /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: 35403
Total AfriNIC prefixes after maximum aggregation: 6764
AfriNIC Deaggregation factor: 5.23
Prefixes being announced from the AfriNIC address blocks: 49230
Unique aggregates announced from the AfriNIC address blocks: 13921
AfriNIC Region origin ASes present in the Internet Routing Table: 1910
AfriNIC Prefixes per ASN: 25.77
AfriNIC Region origin ASes announcing only one prefix: 695
AfriNIC Region transit ASes present in the Internet Routing Table: 377
Average AfriNIC Region AS path length visible: 6.2
Max AfriNIC Region AS path length visible: 61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1275
Number of AfriNIC addresses announced to Internet: 105096704
Equivalent to 6 /8s, 67 /16s and 166 /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 10454 8754 93 CHINAMOBILE-CN China Mobile Communication
7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4327 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4237 531 278 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3675 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3265 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2859 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2189 11523 648 KIXS-AS-KR Korea Telecom, KR
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 13251 39695 4328 AMAZON-02, US
11492 4711 312 591 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
174 3617 8755 919 COGENT-174, US
22773 3609 3038 217 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54863 2505 DNIC-AS-00749, US
16625 3120 1312 2258 AKAMAI-AS, US
396982 2955 3657 469 GOOGLE-CLOUD-PLATFORM, US
36352 2772 227 850 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 7723 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4061 3395 127 AKAMAI-ASN1, NL
9009 3794 327 1975 M247, RO
12389 3071 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2110 149 1553 CDNEXT, GB
8452 1646 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1424 366 33 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
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 12030 3243 585 UNINET, MX
10620 3521 485 995 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1995 369 64 Instituto Costarricense de Electricidad y
28573 1359 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1198 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1191 371 22 Telefonica del Peru S.A.A., PE
22884 1058 70 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1040 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 1744 631 30 RAYA-AS, EG
24863 1649 389 16 LINKdotNET-AS, EG
29571 1594 102 22 ORANGE-COTE-IVOIRE, CI
36992 1431 1518 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1020 521 42 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
37069 932 1099 15 MOBINIL, EG
36914 551 82 3 KENET-AS, KE
15399 521 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 13251 39695 4328 AMAZON-02, US
8151 12030 3243 585 UNINET, MX
9808 10454 8754 93 CHINAMOBILE-CN China Mobile Communication
12479 7723 1714 148 UNI2-AS, ES
7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4711 312 591 CABLEONE, US
18403 4327 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4237 531 278 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 12030 11445 UNINET, MX
9808 10454 10361 CHINAMOBILE-CN China Mobile Communications Grou
12479 7723 7575 UNI2-AS, ES
7545 6216 5559 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4327 4302 FPT-AS-AP FPT Telecom Company, VN
11492 4711 4120 CABLEONE, US
9498 4237 3959 BBIL-AP BHARTI Airtel Ltd., IN
20940 4061 3934 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
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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
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 /9:16 /10:41 /11:93 /12:300
/13:583 /14:1221 /15:2163 /16:13919 /17:8271 /18:13736
/19:24590 /20:43687 /21:51711 /22:111973 /23:101639 /24:606576
/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 6645 7723 UNI2-AS, ES
8151 6233 12030 UNINET, MX
11492 3531 4711 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2734 3609 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2345 13251 AMAZON-02, US
30036 2234 2575 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2187 3521 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)
----------------------------------------------
1:2334 2:1526 3:655 4:9 5:4683 6:162
7:6 8:1555 9:1 11:172 12:1361 13:367
14:2515 15:352 16:282 17:368 18:917 20:515
21:4 22:188 23:7531 24:2807 25:2 27:2780
29:19 31:3232 32:36 33:1 34:80 35:203
36:2488 37:4685 38:9033 39:907 40:167 41:4165
42:1962 43:2574 44:376 45:18534 46:5049 47:293
49:1934 50:1893 51:590 52:1553 54:302 55:1087
56:11 57:257 58:2199 59:1201 60:1169 61:2770
62:2941 63:1824 64:5480 65:2117 66:4657 67:3068
68:1169 69:3929 70:1151 71:628 72:2857 74:2784
75:1618 76:614 77:2728 78:1897 79:1761 80:2202
81:2053 82:3217 83:1438 84:1852 85:3422 86:1048
87:2157 88:1317 89:4333 90:783 91:8331 92:2723
93:2901 94:4075 95:4359 96:1460 97:312 98:1024
99:669 100:72 101:1143 102:3901 103:32194 104:4816
105:749 106:1044 107:2643 108:1204 109:4076 110:2231
111:3321 112:2048 113:1796 114:1963 115:2207 116:2037
117:2748 118:2895 119:1954 120:1890 121:1374 122:2752
123:2178 124:1565 125:2846 126:91 128:1609 129:953
130:1294 131:1938 132:781 133:451 134:1544 135:331
136:1301 137:1249 138:2884 139:1628 140:1576 141:1496
142:1909 143:1678 144:1079 145:504 146:2163 147:2101
148:2679 149:2880 150:1253 151:1819 152:2103 153:564
154:8230 155:1657 156:3458 157:1896 158:1290 159:2442
160:3582 161:1914 162:3746 163:2111 164:1697 165:2195
166:1466 167:1876 168:4038 169:787 170:5075 171:1010
172:4426 173:3257 174:916 175:1296 176:3664 177:4646
178:3687 179:2269 180:2608 181:4053 182:3391 183:2057
184:2145 185:21561 186:5084 187:4446 188:4210 189:4204
190:9512 191:1470 192:11238 193:9462 194:7766 195:5505
196:3299 197:3677 198:6134 199:8477 200:8179 201:6322
202:10407 203:10635 204:4521 205:3589 206:4621 207:3475
208:4261 209:5159 210:4588 211:2535 212:4528 213:3704
214:1028 215:48 216:6712 217:3151 218:1333 219:375
220:2077 221:1058 222:724 223:2350
End of report
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