[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jun 17 21:40:15 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 17 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: 986148
Prefixes after maximum aggregation (per Origin AS): 380455
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482397
Number of IPv4 prefixes with a valid ROA: 550707
Number of IPv4 prefixes with an invalid ROA: 184
Number of IPv4 prefixes with no ROA: 435257
Total ASes present in the Internet Routing Table: 76976
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65944
Origin ASes announcing only one prefix: 26913
Transit ASes present in the Internet Routing Table: 11032
Transit-only ASes present in the Internet Routing Table: 552
Paths with bogon ASNs present in the IPv4 Routing Table: 316
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 53
Max AS path prepend of ASN (139693) 35
Prefixes from unregistered ASNs in the Routing Table: 1249
Number of instances of unregistered ASNs: 1282
Number of 32-bit ASNs allocated by the RIRs: 46667
Number of 32-bit ASNs visible in the Routing Table: 38395
Prefixes from 32-bit ASNs in the Routing Table: 204040
Number of bogon 32-bit ASNs visible in the Routing Table: 100
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 447
Number of addresses announced to Internet: 3104134144
Equivalent to 185 /8s, 5 /16s and 84 /24s
Percentage of available address space announced: 83.8
Percentage of allocated address space announced: 83.8
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: 323320
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258729
Total APNIC prefixes after maximum aggregation: 77189
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 250222
Unique aggregates announced from the APNIC address blocks: 104395
APNIC Region origin ASes present in the Internet Routing Table: 14631
APNIC Prefixes per ASN: 17.10
APNIC Region origin ASes announcing only one prefix: 4452
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: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10158
Number of APNIC addresses announced to Internet: 747692288
Equivalent to 44 /8s, 144 /16s and 225 /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: 290860
Total ARIN prefixes after maximum aggregation: 131250
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292508
Unique aggregates announced from the ARIN address blocks: 139313
ARIN Region origin ASes present in the Internet Routing Table: 19237
ARIN Prefixes per ASN: 15.21
ARIN Region origin ASes announcing only one prefix: 7040
ARIN Region transit ASes present in the Internet Routing Table: 1993
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: 5236
Number of ARIN addresses announced to Internet: 1348997376
Equivalent to 80 /8s, 104 /16s and 17 /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: 275522
Total RIPE prefixes after maximum aggregation: 134896
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 274217
Unique aggregates announced from the RIPE address blocks: 175798
RIPE Region origin ASes present in the Internet Routing Table: 28935
RIPE Prefixes per ASN: 9.48
RIPE Region origin ASes announcing only one prefix: 12064
RIPE Region transit ASes present in the Internet Routing Table: 3998
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12500
Number of RIPE addresses announced to Internet: 730898944
Equivalent to 43 /8s, 144 /16s and 162 /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: 124152
Total LACNIC prefixes after maximum aggregation: 29575
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120660
Unique aggregates announced from the LACNIC address blocks: 48958
LACNIC Region origin ASes present in the Internet Routing Table: 11266
LACNIC Prefixes per ASN: 10.71
LACNIC Region origin ASes announcing only one prefix: 2660
LACNIC Region transit ASes present in the Internet Routing Table: 2508
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: 171293440
Equivalent to 10 /8s, 53 /16s and 187 /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: 35636
Total AfriNIC prefixes after maximum aggregation: 6705
AfriNIC Deaggregation factor: 5.31
Prefixes being announced from the AfriNIC address blocks: 48093
Unique aggregates announced from the AfriNIC address blocks: 13537
AfriNIC Region origin ASes present in the Internet Routing Table: 1925
AfriNIC Prefixes per ASN: 24.98
AfriNIC Region origin ASes announcing only one prefix: 697
AfriNIC Region transit ASes present in the Internet Routing Table: 381
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet: 105045248
Equivalent to 6 /8s, 66 /16s and 221 /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 11224 8759 105 CHINAMOBILE-CN China Mobile Communication
7545 6191 847 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4469 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4329 534 310 BBIL-AP BHARTI Airtel Ltd., IN
7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3694 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3273 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2887 856 530 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 13675 40938 5238 AMAZON-02, US
11492 4762 316 595 CABLEONE, US
7155 3861 286 85 VIASAT-SP-BACKBONE, US
6327 3635 1320 81 SHAW, CA
22773 3609 3037 212 ASN-CXA-ALL-CCI-22773-RDC, US
174 3545 8744 872 COGENT-174, US
749 3229 54767 2480 DNIC-AS-00749, US
396982 3187 3854 426 GOOGLE-CLOUD-PLATFORM, US
16625 3134 1311 2261 AKAMAI-AS, US
36352 2817 230 847 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 7688 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4063 3395 127 AKAMAI-ASN1, NL
9009 3890 358 2093 M247, RO
12389 3107 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 579 TELLCOM-AS, TR
212238 2288 168 1672 CDNEXT, GB
8452 1633 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1421 366 39 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 12199 3254 576 UNINET, MX
10620 3501 481 1018 Telmex Colombia S.A., CO
13999 2521 538 353 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 1339 786 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1207 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1200 371 22 Telefonica del Peru S.A.A., PE
22884 1064 70 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1048 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 1606 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 562 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 13675 40938 5238 AMAZON-02, US
8151 12199 3254 576 UNINET, MX
9808 11224 8759 105 CHINAMOBILE-CN China Mobile Communication
12479 7688 1713 148 UNI2-AS, ES
7545 6191 847 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4780 291 66 ALJAWWALSTC-AS, SA
11492 4762 316 595 CABLEONE, US
18403 4469 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4329 534 310 BBIL-AP BHARTI Airtel Ltd., IN
20940 4063 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 12199 11623 UNINET, MX
9808 11224 11119 CHINAMOBILE-CN China Mobile Communications Grou
12479 7688 7540 UNI2-AS, ES
7545 6191 5540 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4780 4714 ALJAWWALSTC-AS, SA
18403 4469 4444 FPT-AS-AP FPT Telecom Company, VN
11492 4762 4167 CABLEONE, US
9498 4329 4019 BBIL-AP BHARTI Airtel Ltd., IN
20940 4063 3936 AKAMAI-ASN1, NL
7552 3921 3895 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 /14:1209 /15:2152 /16:13834 /17:8225 /18:13519
/19:24549 /20:43990 /21:51753 /22:112135 /23:102820 /24:610914
/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 6609 7688 UNI2-AS, ES
8151 6416 12199 UNINET, MX
11492 3559 4762 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3635 SHAW, CA
7155 2820 3861 VIASAT-SP-BACKBONE, US
22773 2737 3609 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2353 13675 AMAZON-02, US
30036 2252 2594 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)
----------------------------------------------
1:2376 2:1525 3:826 4:10 5:4786 6:162
7:6 8:1571 9:1 11:172 12:1349 13:453
14:2523 15:360 16:285 17:377 18:922 20:545
21:4 22:188 23:7643 24:2874 25:2 27:2785
29:19 31:3299 32:35 33:1 34:80 35:252
36:3092 37:4603 38:9378 39:907 40:166 41:4243
42:1989 43:2616 44:386 45:18586 46:5128 47:317
49:1940 50:1886 51:591 52:1571 54:328 55:1092
56:11 57:270 58:2218 59:1224 60:1171 61:2794
62:2933 63:1799 64:5461 65:2058 66:4670 67:3070
68:1154 69:3944 70:1133 71:632 72:2870 74:2807
75:1514 76:616 77:2723 78:1904 79:1721 80:2218
81:2069 82:3174 83:1439 84:1875 85:3460 86:1086
87:2143 88:1334 89:4422 90:768 91:8416 92:2730
93:2921 94:4022 95:4365 96:1470 97:311 98:1024
99:694 100:73 101:1409 102:3873 103:32262 104:5146
105:761 106:1038 107:2685 108:1244 109:4102 110:2226
111:3276 112:2122 113:1805 114:1988 115:2160 116:2062
117:2572 118:2900 119:1910 120:2051 121:1378 122:2782
123:2199 124:1587 125:2866 126:91 128:1614 129:951
130:1302 131:2045 132:780 133:450 134:1556 135:346
136:1350 137:1261 138:2864 139:1596 140:1604 141:1504
142:1901 143:1862 144:1168 145:544 146:2188 147:2107
148:2703 149:2896 150:1252 151:1965 152:2088 153:590
154:7322 155:1756 156:2979 157:1924 158:1330 159:2496
160:3601 161:1855 162:3859 163:2225 164:1855 165:1985
166:1491 167:1970 168:4002 169:798 170:5131 171:1023
172:4478 173:3331 174:927 175:1301 176:3702 177:4729
178:3740 179:2315 180:2637 181:4069 182:3451 183:2121
184:2125 185:21587 186:5200 187:4548 188:4259 189:4319
190:9580 191:1489 192:11314 193:9495 194:7811 195:5543
196:3296 197:3656 198:6110 199:8508 200:8226 201:6393
202:10252 203:10661 204:4551 205:3613 206:4477 207:3503
208:4282 209:5120 210:4609 211:2536 212:4583 213:3750
214:1030 215:48 216:6772 217:3171 218:1356 219:388
220:2078 221:1138 222:725 223:2466
End of report
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