[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue May 6 21:40:00 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 06 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: 980209
Prefixes after maximum aggregation (per Origin AS): 377447
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 478807
Number of IPv4 prefixes with a valid ROA: 542262
Number of IPv4 prefixes with an invalid ROA: 181
Number of IPv4 prefixes with no ROA: 437766
Total ASes present in the Internet Routing Table: 76848
Prefixes per ASN: 12.76
Origin-only ASes present in the Internet Routing Table: 65830
Origin ASes announcing only one prefix: 26952
Transit ASes present in the Internet Routing Table: 11018
Transit-only ASes present in the Internet Routing Table: 550
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: 1114
Number of instances of unregistered ASNs: 1117
Number of 32-bit ASNs allocated by the RIRs: 46340
Number of 32-bit ASNs visible in the Routing Table: 38176
Prefixes from 32-bit ASNs in the Routing Table: 201393
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: 3109169664
Equivalent to 185 /8s, 82 /16s and 42 /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: 321369
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 256594
Total APNIC prefixes after maximum aggregation: 76707
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 247918
Unique aggregates announced from the APNIC address blocks: 103007
APNIC Region origin ASes present in the Internet Routing Table: 14586
APNIC Prefixes per ASN: 17.00
APNIC Region origin ASes announcing only one prefix: 4457
APNIC Region transit ASes present in the Internet Routing Table: 1968
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 46
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10100
Number of APNIC addresses announced to Internet: 747399936
Equivalent to 44 /8s, 140 /16s and 107 /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: 289575
Total ARIN prefixes after maximum aggregation: 129990
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 290972
Unique aggregates announced from the ARIN address blocks: 138519
ARIN Region origin ASes present in the Internet Routing Table: 19247
ARIN Prefixes per ASN: 15.12
ARIN Region origin ASes announcing only one prefix: 7052
ARIN Region transit ASes present in the Internet Routing Table: 1996
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: 5202
Number of ARIN addresses announced to Internet: 1353172480
Equivalent to 80 /8s, 167 /16s and 198 /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: 274077
Total RIPE prefixes after maximum aggregation: 133891
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271889
Unique aggregates announced from the RIPE address blocks: 174136
RIPE Region origin ASes present in the Internet Routing Table: 28905
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12043
RIPE Region transit ASes present in the Internet Routing Table: 3983
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12423
Number of RIPE addresses announced to Internet: 731463680
Equivalent to 43 /8s, 153 /16s and 64 /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: 123473
Total LACNIC prefixes after maximum aggregation: 29389
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 119835
Unique aggregates announced from the LACNIC address blocks: 48796
LACNIC Region origin ASes present in the Internet Routing Table: 11231
LACNIC Prefixes per ASN: 10.67
LACNIC Region origin ASes announcing only one prefix: 2707
LACNIC Region transit ASes present in the Internet Routing Table: 2484
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: 9176
Number of LACNIC addresses announced to Internet: 171750144
Equivalent to 10 /8s, 60 /16s and 179 /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: 35376
Total AfriNIC prefixes after maximum aggregation: 6763
AfriNIC Deaggregation factor: 5.23
Prefixes being announced from the AfriNIC address blocks: 49122
Unique aggregates announced from the AfriNIC address blocks: 13960
AfriNIC Region origin ASes present in the Internet Routing Table: 1910
AfriNIC Prefixes per ASN: 25.72
AfriNIC Region origin ASes announcing only one prefix: 693
AfriNIC Region transit ASes present in the Internet Routing Table: 379
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: 105158656
Equivalent to 6 /8s, 68 /16s and 152 /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 10546 8754 88 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4318 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4240 531 278 BBIL-AP BHARTI Airtel Ltd., IN
7552 3908 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3688 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3259 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2863 852 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2187 11523 647 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 13325 40825 4504 AMAZON-02, US
11492 4711 312 591 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
22773 3611 3052 208 ASN-CXA-ALL-CCI-22773-RDC, US
174 3579 8750 902 COGENT-174, US
749 3254 54863 2505 DNIC-AS-00749, US
16625 3125 1313 2260 AKAMAI-AS, US
396982 2940 3656 469 GOOGLE-CLOUD-PLATFORM, US
36352 2779 228 855 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 7715 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4060 3395 127 AKAMAI-ASN1, NL
9009 3800 328 1979 M247, RO
12389 3070 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2133 150 1574 CDNEXT, GB
8452 1646 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1420 94 736 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 12021 3249 586 UNINET, MX
10620 3523 486 995 Telmex Colombia S.A., CO
13999 2514 540 362 Mega Cable, S.A. de C.V., MX
11830 1994 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 1196 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1192 371 22 Telefonica del Peru S.A.A., PE
22884 1056 70 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1043 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 1651 389 16 LINKdotNET-AS, EG
29571 1600 103 23 ORANGE-COTE-IVOIRE, CI
36992 1431 1518 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1036 523 45 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
37069 932 1099 15 MOBINIL, EG
36914 552 82 3 KENET-AS, KE
15399 522 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 13325 40825 4504 AMAZON-02, US
8151 12021 3249 586 UNINET, MX
9808 10546 8754 88 CHINAMOBILE-CN China Mobile Communication
12479 7715 1714 148 UNI2-AS, ES
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4711 312 591 CABLEONE, US
18403 4318 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4240 531 278 BBIL-AP BHARTI Airtel Ltd., IN
20940 4060 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 12021 11435 UNINET, MX
9808 10546 10458 CHINAMOBILE-CN China Mobile Communications Grou
12479 7715 7567 UNI2-AS, ES
7545 6215 5558 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4318 4293 FPT-AS-AP FPT Telecom Company, VN
11492 4711 4120 CABLEONE, US
9498 4240 3962 BBIL-AP BHARTI Airtel Ltd., IN
20940 4060 3933 AKAMAI-ASN1, NL
7552 3908 3882 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 /14:1223 /15:2166 /16:13986 /17:8260 /18:13717
/19:24600 /20:43681 /21:51661 /22:111882 /23:101648 /24:606335
/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 6636 7715 UNI2-AS, ES
8151 6224 12021 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 2742 3611 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2330 13325 AMAZON-02, US
30036 2219 2560 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2189 3523 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)
----------------------------------------------
1:2333 2:1529 3:688 4:10 5:4683 6:162
7:6 8:1570 9:1 11:172 12:1367 13:366
14:2516 15:353 16:283 17:369 18:921 20:517
21:4 22:188 23:7541 24:2806 25:2 27:2778
29:19 31:3245 32:37 33:1 34:80 35:203
36:2571 37:4698 38:9067 39:907 40:167 41:4181
42:1964 43:2574 44:374 45:18542 46:5070 47:294
49:1932 50:1892 51:590 52:1553 54:304 55:1090
56:11 57:257 58:2203 59:1213 60:1170 61:2773
62:2913 63:1816 64:5471 65:2113 66:4658 67:3066
68:1155 69:3921 70:1150 71:631 72:2867 74:2779
75:1615 76:614 77:2727 78:1894 79:1753 80:2201
81:2055 82:3216 83:1434 84:1850 85:3441 86:1050
87:2157 88:1317 89:4343 90:781 91:8344 92:2717
93:2899 94:4098 95:4353 96:1459 97:312 98:1019
99:671 100:72 101:1155 102:3923 103:32199 104:4815
105:755 106:1033 107:2647 108:1214 109:4071 110:2231
111:3342 112:2053 113:1788 114:1965 115:2209 116:2044
117:2664 118:2894 119:1954 120:1882 121:1375 122:2752
123:2179 124:1570 125:2846 126:91 128:1598 129:954
130:1295 131:1938 132:780 133:451 134:1537 135:331
136:1301 137:1249 138:2887 139:1628 140:1580 141:1499
142:1904 143:1683 144:1086 145:504 146:2161 147:2102
148:2684 149:2847 150:1250 151:1829 152:2099 153:564
154:8156 155:1670 156:3356 157:1902 158:1295 159:2438
160:3580 161:1886 162:3715 163:2117 164:1699 165:2194
166:1470 167:1889 168:4042 169:793 170:5064 171:1010
172:4409 173:3259 174:916 175:1299 176:3664 177:4621
178:3632 179:2276 180:2604 181:4053 182:3358 183:2057
184:2113 185:21550 186:5095 187:4415 188:4219 189:4231
190:9519 191:1469 192:11248 193:9485 194:7771 195:5506
196:3296 197:3681 198:6128 199:8468 200:8169 201:6283
202:10279 203:10641 204:4516 205:3585 206:4637 207:3486
208:4267 209:5159 210:4588 211:2534 212:4525 213:3711
214:1027 215:48 216:6711 217:3128 218:1338 219:375
220:2079 221:1087 222:722 223:2351
End of report
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