[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jun 12 21:40:02 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 12 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: 985831
Prefixes after maximum aggregation (per Origin AS): 380343
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482250
Number of IPv4 prefixes with a valid ROA: 549971
Number of IPv4 prefixes with an invalid ROA: 187
Number of IPv4 prefixes with no ROA: 435673
Total ASes present in the Internet Routing Table: 76953
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65935
Origin ASes announcing only one prefix: 26886
Transit ASes present in the Internet Routing Table: 11018
Transit-only ASes present in the Internet Routing Table: 561
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: 1256
Number of instances of unregistered ASNs: 1290
Number of 32-bit ASNs allocated by the RIRs: 46631
Number of 32-bit ASNs visible in the Routing Table: 38357
Prefixes from 32-bit ASNs in the Routing Table: 203510
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: 451
Number of addresses announced to Internet: 3109402112
Equivalent to 185 /8s, 85 /16s and 182 /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: 322873
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258576
Total APNIC prefixes after maximum aggregation: 77108
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 250023
Unique aggregates announced from the APNIC address blocks: 104354
APNIC Region origin ASes present in the Internet Routing Table: 14616
APNIC Prefixes per ASN: 17.11
APNIC Region origin ASes announcing only one prefix: 4452
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: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10142
Number of APNIC addresses announced to Internet: 747950336
Equivalent to 44 /8s, 148 /16s and 209 /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: 290731
Total ARIN prefixes after maximum aggregation: 131268
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292652
Unique aggregates announced from the ARIN address blocks: 139391
ARIN Region origin ASes present in the Internet Routing Table: 19226
ARIN Prefixes per ASN: 15.22
ARIN Region origin ASes announcing only one prefix: 7024
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: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5229
Number of ARIN addresses announced to Internet: 1353140480
Equivalent to 80 /8s, 167 /16s and 73 /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: 275415
Total RIPE prefixes after maximum aggregation: 134842
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 274013
Unique aggregates announced from the RIPE address blocks: 175622
RIPE Region origin ASes present in the Internet Routing Table: 28933
RIPE Prefixes per ASN: 9.47
RIPE Region origin ASes announcing only one prefix: 12052
RIPE Region transit ASes present in the Internet Routing Table: 3993
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: 12490
Number of RIPE addresses announced to Internet: 731235328
Equivalent to 43 /8s, 149 /16s and 196 /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: 124211
Total LACNIC prefixes after maximum aggregation: 29575
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120485
Unique aggregates announced from the LACNIC address blocks: 48956
LACNIC Region origin ASes present in the Internet Routing Table: 11259
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2662
LACNIC Region transit ASes present in the Internet Routing Table: 2499
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: 171826688
Equivalent to 10 /8s, 61 /16s and 222 /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: 35642
Total AfriNIC prefixes after maximum aggregation: 6704
AfriNIC Deaggregation factor: 5.32
Prefixes being announced from the AfriNIC address blocks: 48206
Unique aggregates announced from the AfriNIC address blocks: 13527
AfriNIC Region origin ASes present in the Internet Routing Table: 1923
AfriNIC Prefixes per ASN: 25.07
AfriNIC Region origin ASes announcing only one prefix: 696
AfriNIC Region transit ASes present in the Internet Routing Table: 375
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet: 105039104
Equivalent to 6 /8s, 66 /16s and 197 /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 11080 8758 100 CHINAMOBILE-CN China Mobile Communication
7545 6174 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4493 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4308 534 305 BBIL-AP BHARTI Airtel Ltd., IN
7552 3924 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3695 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3271 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2883 855 530 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 13688 40941 5241 AMAZON-02, US
11492 4762 316 595 CABLEONE, US
7155 3863 286 85 VIASAT-SP-BACKBONE, US
6327 3635 1320 81 SHAW, CA
22773 3606 3037 211 ASN-CXA-ALL-CCI-22773-RDC, US
174 3536 8745 882 COGENT-174, US
749 3229 54783 2480 DNIC-AS-00749, US
396982 3185 3854 426 GOOGLE-CLOUD-PLATFORM, US
16625 3145 1314 2263 AKAMAI-AS, US
36352 2817 230 857 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 7704 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4065 3395 127 AKAMAI-ASN1, NL
9009 3887 358 2090 M247, RO
12389 3106 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2403 361 579 TELLCOM-AS, TR
212238 2265 165 1653 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1579 1852 14 TE-AS TE-AS, EG
62240 1414 94 738 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 12194 3254 578 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2492 541 360 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 1204 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1199 371 22 Telefonica del Peru S.A.A., PE
22884 1063 70 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1041 373 162 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 1820 644 27 RAYA-AS, EG
24863 1634 389 17 LINKdotNET-AS, EG
29571 1607 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 1066 523 47 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 566 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 13688 40941 5241 AMAZON-02, US
8151 12194 3254 578 UNINET, MX
9808 11080 8758 100 CHINAMOBILE-CN China Mobile Communication
12479 7704 1714 148 UNI2-AS, ES
7545 6174 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4762 316 595 CABLEONE, US
18403 4493 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4308 534 305 BBIL-AP BHARTI Airtel Ltd., IN
20940 4065 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 12194 11616 UNINET, MX
9808 11080 10980 CHINAMOBILE-CN China Mobile Communications Grou
12479 7704 7556 UNI2-AS, ES
7545 6174 5523 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4493 4468 FPT-AS-AP FPT Telecom Company, VN
11492 4762 4167 CABLEONE, US
9498 4308 4003 BBIL-AP BHARTI Airtel Ltd., IN
20940 4065 3938 AKAMAI-ASN1, NL
7552 3924 3898 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
398728 UNALLOCATED 8.10.134.0/24 174 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
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 /14:1220 /15:2164 /16:13894 /17:8243 /18:13693
/19:24565 /20:44017 /21:51830 /22:112074 /23:102710 /24:610373
/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 6622 7704 UNI2-AS, ES
8151 6412 12194 UNINET, MX
11492 3559 4762 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3431 3635 SHAW, CA
7155 2822 3863 VIASAT-SP-BACKBONE, US
22773 2734 3606 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2376 13688 AMAZON-02, US
30036 2248 2590 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)
----------------------------------------------
1:2371 2:1515 3:815 4:10 5:4702 6:162
7:6 8:1573 9:1 11:172 12:1350 13:451
14:2520 15:358 16:285 17:378 18:923 20:545
21:4 22:188 23:7636 24:2883 25:2 27:2831
29:19 31:3290 32:36 33:1 34:80 35:253
36:3100 37:4599 38:9352 39:907 40:166 41:4203
42:2013 43:2605 44:382 45:18586 46:5139 47:318
49:1941 50:1892 51:591 52:1569 54:328 55:1094
56:11 57:269 58:2219 59:1184 60:1171 61:2795
62:2936 63:1800 64:5472 65:2063 66:4672 67:3057
68:1155 69:3945 70:1137 71:633 72:2850 74:2801
75:1515 76:616 77:2716 78:1901 79:1717 80:2222
81:2062 82:3163 83:1449 84:1875 85:3459 86:1076
87:2145 88:1333 89:4402 90:770 91:8401 92:2731
93:2912 94:4023 95:4364 96:1465 97:311 98:1021
99:698 100:73 101:1409 102:3843 103:32264 104:5139
105:764 106:1034 107:2687 108:1240 109:4085 110:2228
111:3275 112:2128 113:1805 114:1993 115:2140 116:2057
117:2565 118:2895 119:1897 120:2001 121:1382 122:2777
123:2203 124:1586 125:2858 126:91 128:1619 129:952
130:1299 131:2020 132:775 133:449 134:1534 135:346
136:1352 137:1258 138:2839 139:1606 140:1602 141:1508
142:1900 143:1844 144:1120 145:543 146:2184 147:2105
148:2705 149:2888 150:1254 151:1965 152:2094 153:578
154:7473 155:1746 156:3003 157:1918 158:1325 159:2492
160:3601 161:1853 162:3851 163:2208 164:1854 165:1978
166:1494 167:1962 168:4018 169:799 170:5117 171:1023
172:4469 173:3328 174:927 175:1304 176:3700 177:4681
178:3722 179:2301 180:2637 181:4062 182:3441 183:2099
184:2122 185:21601 186:5188 187:4517 188:4256 189:4285
190:9605 191:1484 192:11320 193:9483 194:7809 195:5544
196:3290 197:3665 198:6116 199:8508 200:8221 201:6370
202:10281 203:10667 204:4556 205:3618 206:4513 207:3534
208:4273 209:5116 210:4609 211:2535 212:4577 213:3741
214:1027 215:48 216:6770 217:3165 218:1355 219:389
220:2081 221:1139 222:724 223:2465
End of report
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