[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun May 11 21:40:04 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sun 11 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: 981810
Prefixes after maximum aggregation (per Origin AS): 378098
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479286
Number of IPv4 prefixes with a valid ROA: 544113
Number of IPv4 prefixes with an invalid ROA: 181
Number of IPv4 prefixes with no ROA: 437516
Total ASes present in the Internet Routing Table: 76851
Prefixes per ASN: 12.78
Origin-only ASes present in the Internet Routing Table: 65849
Origin ASes announcing only one prefix: 26971
Transit ASes present in the Internet Routing Table: 11002
Transit-only ASes present in the Internet Routing Table: 544
Paths with bogon ASNs present in the IPv4 Routing Table: 308
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: 1102
Number of instances of unregistered ASNs: 1108
Number of 32-bit ASNs allocated by the RIRs: 46393
Number of 32-bit ASNs visible in the Routing Table: 38201
Prefixes from 32-bit ASNs in the Routing Table: 202007
Number of bogon 32-bit ASNs visible in the Routing Table: 36
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 467
Number of addresses announced to Internet: 3108731904
Equivalent to 185 /8s, 75 /16s and 124 /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: 321788
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257285
Total APNIC prefixes after maximum aggregation: 76856
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 248479
Unique aggregates announced from the APNIC address blocks: 103241
APNIC Region origin ASes present in the Internet Routing Table: 14609
APNIC Prefixes per ASN: 17.01
APNIC Region origin ASes announcing only one prefix: 4477
APNIC Region transit ASes present in the Internet Routing Table: 1969
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: 10128
Number of APNIC addresses announced to Internet: 747533824
Equivalent to 44 /8s, 142 /16s and 118 /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: 290071
Total ARIN prefixes after maximum aggregation: 130364
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 291423
Unique aggregates announced from the ARIN address blocks: 138658
ARIN Region origin ASes present in the Internet Routing Table: 19238
ARIN Prefixes per ASN: 15.15
ARIN Region origin ASes announcing only one prefix: 7040
ARIN Region transit ASes present in the Internet Routing Table: 1995
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: 5198
Number of ARIN addresses announced to Internet: 1353108224
Equivalent to 80 /8s, 166 /16s and 203 /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: 273877
Total RIPE prefixes after maximum aggregation: 133987
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 271766
Unique aggregates announced from the RIPE address blocks: 174287
RIPE Region origin ASes present in the Internet Routing Table: 28908
RIPE Prefixes per ASN: 9.40
RIPE Region origin ASes announcing only one prefix: 12049
RIPE Region transit ASes present in the Internet Routing Table: 3979
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: 12422
Number of RIPE addresses announced to Internet: 730994176
Equivalent to 43 /8s, 146 /16s and 22 /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: 124028
Total LACNIC prefixes after maximum aggregation: 29428
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 120393
Unique aggregates announced from the LACNIC address blocks: 48827
LACNIC Region origin ASes present in the Internet Routing Table: 11229
LACNIC Prefixes per ASN: 10.72
LACNIC Region origin ASes announcing only one prefix: 2706
LACNIC Region transit ASes present in the Internet Routing Table: 2482
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: 9175
Number of LACNIC addresses announced to Internet: 171740928
Equivalent to 10 /8s, 60 /16s and 143 /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: 35447
Total AfriNIC prefixes after maximum aggregation: 6767
AfriNIC Deaggregation factor: 5.24
Prefixes being announced from the AfriNIC address blocks: 49281
Unique aggregates announced from the AfriNIC address blocks: 13889
AfriNIC Region origin ASes present in the Internet Routing Table: 1911
AfriNIC Prefixes per ASN: 25.79
AfriNIC Region origin ASes announcing only one prefix: 699
AfriNIC Region transit ASes present in the Internet Routing Table: 377
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1278
Number of AfriNIC addresses announced to Internet: 105132288
Equivalent to 6 /8s, 68 /16s and 49 /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 10798 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6162 842 655 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4393 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4274 533 299 BBIL-AP BHARTI Airtel Ltd., IN
7552 3908 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3690 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3259 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2188 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 13325 40834 4848 AMAZON-02, US
11492 4726 313 592 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
22773 3614 3052 212 ASN-CXA-ALL-CCI-22773-RDC, US
174 3449 8750 897 COGENT-174, US
749 3253 54861 2504 DNIC-AS-00749, US
396982 3146 3851 415 GOOGLE-CLOUD-PLATFORM, US
16625 3127 1313 2260 AKAMAI-AS, US
36352 2789 228 853 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 7697 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4051 3395 127 AKAMAI-ASN1, NL
9009 3793 327 1987 M247, RO
12389 3069 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2143 151 1578 CDNEXT, GB
8452 1644 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1421 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 12072 3247 581 UNINET, MX
10620 3505 481 1018 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 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1207 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1189 371 22 Telefonica del Peru S.A.A., PE
22884 1055 70 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1042 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 1650 389 18 LINKdotNET-AS, EG
29571 1595 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1518 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1019 521 42 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
37069 932 1099 15 MOBINIL, EG
36914 537 82 3 KENET-AS, KE
15399 530 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 40834 4848 AMAZON-02, US
8151 12072 3247 581 UNINET, MX
9808 10798 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7697 1714 148 UNI2-AS, ES
7545 6162 842 655 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4726 313 592 CABLEONE, US
18403 4393 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4274 533 299 BBIL-AP BHARTI Airtel Ltd., IN
20940 4051 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 12072 11491 UNINET, MX
9808 10798 10702 CHINAMOBILE-CN China Mobile Communications Grou
12479 7697 7549 UNI2-AS, ES
7545 6162 5507 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4393 4368 FPT-AS-AP FPT Telecom Company, VN
11492 4726 4134 CABLEONE, US
9498 4274 3975 BBIL-AP BHARTI Airtel Ltd., IN
20940 4051 3924 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
/13:582 /14:1223 /15:2166 /16:13979 /17:8256 /18:13713
/19:24606 /20:43725 /21:51695 /22:111933 /23:101867 /24:607598
/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 6618 7697 UNI2-AS, ES
8151 6269 12072 UNINET, MX
11492 3533 4726 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2741 3614 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2321 13325 AMAZON-02, US
30036 2224 2565 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2191 3505 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 2:1529 3:713 4:11 5:4668 6:162
7:6 8:1570 9:1 11:172 12:1365 13:384
14:2516 15:353 16:285 17:373 18:920 20:518
21:4 22:188 23:7552 24:2803 25:2 27:2775
29:19 31:3251 32:37 33:1 34:80 35:205
36:2758 37:4640 38:9124 39:909 40:167 41:4205
42:2002 43:2578 44:379 45:18575 46:5064 47:294
49:1932 50:1894 51:590 52:1553 54:304 55:1093
56:11 57:257 58:2215 59:1216 60:1164 61:2771
62:2920 63:1811 64:5478 65:2118 66:4676 67:3070
68:1156 69:3931 70:1146 71:639 72:2873 74:2782
75:1619 76:614 77:2703 78:1894 79:1759 80:2202
81:2054 82:3140 83:1432 84:1854 85:3430 86:1049
87:2160 88:1315 89:4350 90:774 91:8350 92:2679
93:2895 94:4030 95:4316 96:1462 97:312 98:1020
99:677 100:72 101:1154 102:3917 103:32215 104:5012
105:763 106:1033 107:2660 108:1217 109:4077 110:2230
111:3360 112:2057 113:1788 114:1968 115:2207 116:2046
117:2668 118:2895 119:1955 120:1888 121:1373 122:2754
123:2184 124:1566 125:2845 126:91 128:1607 129:955
130:1298 131:1965 132:787 133:451 134:1539 135:331
136:1307 137:1256 138:2887 139:1638 140:1578 141:1501
142:1901 143:1718 144:1094 145:505 146:2164 147:2096
148:2612 149:2853 150:1215 151:1852 152:2086 153:564
154:8115 155:1689 156:3439 157:1906 158:1298 159:2444
160:3576 161:1893 162:3736 163:2144 164:1692 165:2196
166:1474 167:1907 168:4043 169:791 170:5095 171:1010
172:4423 173:3264 174:918 175:1301 176:3671 177:4679
178:3624 179:2292 180:2622 181:4060 182:3427 183:2082
184:2113 185:21584 186:5149 187:4458 188:4225 189:4245
190:9612 191:1476 192:11250 193:9492 194:7761 195:5512
196:3297 197:3693 198:6120 199:8486 200:8211 201:6417
202:10281 203:10629 204:4523 205:3597 206:4517 207:3490
208:4280 209:5166 210:4589 211:2536 212:4538 213:3706
214:1031 215:48 216:6736 217:3129 218:1342 219:375
220:2076 221:1080 222:718 223:2362
End of report
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