[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jun 18 21:40:17 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Wed 18 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: 985146
Prefixes after maximum aggregation (per Origin AS): 380231
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482368
Number of IPv4 prefixes with a valid ROA: 549671
Number of IPv4 prefixes with an invalid ROA: 185
Number of IPv4 prefixes with no ROA: 435290
Total ASes present in the Internet Routing Table: 76923
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65915
Origin ASes announcing only one prefix: 26899
Transit ASes present in the Internet Routing Table: 11008
Transit-only ASes present in the Internet Routing Table: 547
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: 79
Max AS path prepend of ASN (133647) 73
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: 46679
Number of 32-bit ASNs visible in the Routing Table: 38369
Prefixes from 32-bit ASNs in the Routing Table: 203872
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: 445
Number of addresses announced to Internet: 3103943680
Equivalent to 185 /8s, 2 /16s and 108 /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: 322701
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258654
Total APNIC prefixes after maximum aggregation: 77155
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 250167
Unique aggregates announced from the APNIC address blocks: 104368
APNIC Region origin ASes present in the Internet Routing Table: 14601
APNIC Prefixes per ASN: 17.13
APNIC Region origin ASes announcing only one prefix: 4455
APNIC Region transit ASes present in the Internet Routing Table: 1963
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 79
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10129
Number of APNIC addresses announced to Internet: 747613440
Equivalent to 44 /8s, 143 /16s and 173 /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: 290642
Total ARIN prefixes after maximum aggregation: 131162
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292427
Unique aggregates announced from the ARIN address blocks: 139355
ARIN Region origin ASes present in the Internet Routing Table: 19236
ARIN Prefixes per ASN: 15.20
ARIN Region origin ASes announcing only one prefix: 7036
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: 5240
Number of ARIN addresses announced to Internet: 1348973312
Equivalent to 80 /8s, 103 /16s and 179 /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: 275262
Total RIPE prefixes after maximum aggregation: 134886
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273944
Unique aggregates announced from the RIPE address blocks: 175781
RIPE Region origin ASes present in the Internet Routing Table: 28919
RIPE Prefixes per ASN: 9.47
RIPE Region origin ASes announcing only one prefix: 12060
RIPE Region transit ASes present in the Internet Routing Table: 3994
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: 730755328
Equivalent to 43 /8s, 142 /16s and 113 /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: 124032
Total LACNIC prefixes after maximum aggregation: 29554
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120536
Unique aggregates announced from the LACNIC address blocks: 48915
LACNIC Region origin ASes present in the Internet Routing Table: 11263
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2651
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: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9210
Number of LACNIC addresses announced to Internet: 171298048
Equivalent to 10 /8s, 53 /16s and 205 /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: 35307
Total AfriNIC prefixes after maximum aggregation: 6634
AfriNIC Deaggregation factor: 5.32
Prefixes being announced from the AfriNIC address blocks: 47626
Unique aggregates announced from the AfriNIC address blocks: 13555
AfriNIC Region origin ASes present in the Internet Routing Table: 1927
AfriNIC Prefixes per ASN: 24.72
AfriNIC Region origin ASes announcing only one prefix: 697
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: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1290
Number of AfriNIC addresses announced to Internet: 105097216
Equivalent to 6 /8s, 67 /16s and 168 /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 6192 847 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4478 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4328 534 309 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3694 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3272 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2887 856 530 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2189 811 178 CMNET-JIANGSU-AP China Mobile communicati
4755 2176 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 13662 40933 5226 AMAZON-02, US
11492 4772 316 600 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3635 1320 81 SHAW, CA
22773 3605 3037 210 ASN-CXA-ALL-CCI-22773-RDC, US
174 3549 8744 872 COGENT-174, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3188 3854 426 GOOGLE-CLOUD-PLATFORM, US
16625 3134 1311 2260 AKAMAI-AS, US
36352 2816 230 846 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 7679 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4063 3395 127 AKAMAI-ASN1, NL
9009 3887 358 2090 M247, RO
12389 3107 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 576 TELLCOM-AS, TR
212238 2301 169 1684 CDNEXT, GB
8452 1636 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1413 94 737 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 12182 3256 574 UNINET, MX
10620 3501 481 1018 Telmex Colombia S.A., CO
13999 2533 537 353 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 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1207 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1202 371 22 Telefonica del Peru S.A.A., PE
22884 1063 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 1623 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 1062 520 44 Vodafone-, EG
20011 568 154 212 INTERNET-SOLUTIONS, ZA
36914 560 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 13662 40933 5226 AMAZON-02, US
8151 12182 3256 574 UNINET, MX
9808 11224 8759 105 CHINAMOBILE-CN China Mobile Communication
12479 7679 1713 148 UNI2-AS, ES
7545 6192 847 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4780 291 66 ALJAWWALSTC-AS, SA
11492 4772 316 600 CABLEONE, US
18403 4478 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4328 534 309 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 12182 11608 UNINET, MX
9808 11224 11119 CHINAMOBILE-CN China Mobile Communications Grou
12479 7679 7531 UNI2-AS, ES
7545 6192 5541 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4780 4714 ALJAWWALSTC-AS, SA
18403 4478 4453 FPT-AS-AP FPT Telecom Company, VN
11492 4772 4172 CABLEONE, US
9498 4328 4019 BBIL-AP BHARTI Airtel Ltd., IN
20940 4063 3936 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
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 /15:2151 /16:13831 /17:8225 /18:13517
/19:24544 /20:43996 /21:51738 /22:112101 /23:102741 /24:610045
/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 6598 7679 UNI2-AS, ES
8151 6402 12182 UNINET, MX
11492 3568 4772 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3635 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2735 3605 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2371 13662 AMAZON-02, US
30036 2257 2599 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 5:4791 6:162
7:6 8:1570 9:1 11:172 12:1349 13:453
14:2523 15:362 16:285 17:377 18:920 20:545
21:4 22:188 23:7651 24:2873 25:2 27:2784
29:19 31:3294 32:35 33:1 34:80 35:252
36:3112 37:4582 38:9370 39:906 40:174 41:4259
42:1997 43:2610 44:385 45:18548 46:5116 47:319
49:1939 50:1887 51:591 52:1565 54:323 55:1076
56:11 57:270 58:2217 59:1224 60:1171 61:2793
62:2910 63:1799 64:5472 65:2063 66:4668 67:3074
68:1154 69:3939 70:1131 71:631 72:2872 74:2805
75:1514 76:616 77:2722 78:1904 79:1715 80:2207
81:2030 82:3171 83:1422 84:1876 85:3455 86:1084
87:2124 88:1339 89:4421 90:771 91:8414 92:2735
93:2918 94:4021 95:4365 96:1471 97:311 98:1023
99:692 100:73 101:1409 102:3878 103:32178 104:5154
105:761 106:1039 107:2684 108:1247 109:4096 110:2224
111:3276 112:2124 113:1804 114:1988 115:2159 116:2062
117:2572 118:2900 119:1903 120:2053 121:1378 122:2784
123:2195 124:1587 125:2866 126:91 128:1616 129:951
130:1302 131:2047 132:780 133:450 134:1555 135:346
136:1352 137:1256 138:2855 139:1596 140:1603 141:1500
142:1902 143:1860 144:1171 145:545 146:2187 147:2113
148:2678 149:2896 150:1250 151:1962 152:2085 153:590
154:7312 155:1755 156:2848 157:1919 158:1331 159:2495
160:3602 161:1854 162:3860 163:2225 164:1851 165:1988
166:1496 167:1976 168:3996 169:799 170:5133 171:1011
172:4472 173:3331 174:927 175:1302 176:3706 177:4731
178:3733 179:2307 180:2638 181:4066 182:3455 183:2125
184:2128 185:21564 186:5190 187:4544 188:4260 189:4318
190:9584 191:1500 192:11314 193:9499 194:7799 195:5539
196:3303 197:3246 198:6109 199:8505 200:8212 201:6386
202:10269 203:10675 204:4538 205:3609 206:4478 207:3496
208:4283 209:5116 210:4615 211:2537 212:4586 213:3753
214:1030 215:48 216:6775 217:3177 218:1356 219:390
220:2076 221:1143 222:725 223:2473
End of report
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