[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu May 8 21:40:19 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 08 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: 981266
Prefixes after maximum aggregation (per Origin AS): 377788
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479250
Number of IPv4 prefixes with a valid ROA: 544607
Number of IPv4 prefixes with an invalid ROA: 181
Number of IPv4 prefixes with no ROA: 436478
Total ASes present in the Internet Routing Table: 76861
Prefixes per ASN: 12.77
Origin-only ASes present in the Internet Routing Table: 65844
Origin ASes announcing only one prefix: 26956
Transit ASes present in the Internet Routing Table: 11017
Transit-only ASes present in the Internet Routing Table: 547
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: 1109
Number of instances of unregistered ASNs: 1112
Number of 32-bit ASNs allocated by the RIRs: 46364
Number of 32-bit ASNs visible in the Routing Table: 38198
Prefixes from 32-bit ASNs in the Routing Table: 201764
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: 469
Number of addresses announced to Internet: 3109323008
Equivalent to 185 /8s, 84 /16s and 129 /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: 321567
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257064
Total APNIC prefixes after maximum aggregation: 76830
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 248384
Unique aggregates announced from the APNIC address blocks: 103119
APNIC Region origin ASes present in the Internet Routing Table: 14598
APNIC Prefixes per ASN: 17.01
APNIC Region origin ASes announcing only one prefix: 4462
APNIC Region transit ASes present in the Internet Routing Table: 1967
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: 10115
Number of APNIC addresses announced to Internet: 747527936
Equivalent to 44 /8s, 142 /16s and 95 /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: 289942
Total ARIN prefixes after maximum aggregation: 130127
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 291297
Unique aggregates announced from the ARIN address blocks: 138655
ARIN Region origin ASes present in the Internet Routing Table: 19249
ARIN Prefixes per ASN: 15.13
ARIN Region origin ASes announcing only one prefix: 7049
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: 5206
Number of ARIN addresses announced to Internet: 1353147392
Equivalent to 80 /8s, 167 /16s and 100 /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: 274021
Total RIPE prefixes after maximum aggregation: 133976
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271864
Unique aggregates announced from the RIPE address blocks: 174285
RIPE Region origin ASes present in the Internet Routing Table: 28901
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12042
RIPE Region transit ASes present in the Internet Routing Table: 3978
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: 12418
Number of RIPE addresses announced to Internet: 731496448
Equivalent to 43 /8s, 153 /16s and 192 /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: 123710
Total LACNIC prefixes after maximum aggregation: 29385
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 120071
Unique aggregates announced from the LACNIC address blocks: 48855
LACNIC Region origin ASes present in the Internet Routing Table: 11234
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2707
LACNIC Region transit ASes present in the Internet Routing Table: 2493
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: 9183
Number of LACNIC addresses announced to Internet: 171769856
Equivalent to 10 /8s, 61 /16s and 0 /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: 35420
Total AfriNIC prefixes after maximum aggregation: 6766
AfriNIC Deaggregation factor: 5.23
Prefixes being announced from the AfriNIC address blocks: 49180
Unique aggregates announced from the AfriNIC address blocks: 13950
AfriNIC Region origin ASes present in the Internet Routing Table: 1913
AfriNIC Prefixes per ASN: 25.71
AfriNIC Region origin ASes announcing only one prefix: 696
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: 1276
Number of AfriNIC addresses announced to Internet: 105157632
Equivalent to 6 /8s, 68 /16s and 148 /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 10795 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4330 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4271 533 296 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 3260 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2863 852 533 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 13331 40825 4649 AMAZON-02, US
11492 4725 313 592 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
22773 3610 3052 208 ASN-CXA-ALL-CCI-22773-RDC, US
174 3574 8750 897 COGENT-174, US
749 3253 54861 2504 DNIC-AS-00749, US
396982 3132 3850 411 GOOGLE-CLOUD-PLATFORM, US
16625 3119 1309 2259 AKAMAI-AS, US
36352 2780 228 851 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 4057 3395 127 AKAMAI-ASN1, NL
9009 3806 328 1979 M247, RO
12389 3069 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2139 151 1580 CDNEXT, GB
8452 1647 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 12060 3247 582 UNINET, MX
10620 3533 486 993 Telmex Colombia S.A., CO
13999 2511 540 362 Mega Cable, S.A. de C.V., MX
11830 1995 369 64 Instituto Costarricense de Electricidad y
28573 1359 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1198 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1190 371 22 Telefonica del Peru S.A.A., PE
22884 1056 70 380 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 16 LINKdotNET-AS, EG
29571 1599 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 547 82 3 KENET-AS, KE
15399 525 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 13331 40825 4649 AMAZON-02, US
8151 12060 3247 582 UNINET, MX
9808 10795 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7697 1714 148 UNI2-AS, ES
7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4725 313 592 CABLEONE, US
18403 4330 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4271 533 296 BBIL-AP BHARTI Airtel Ltd., IN
20940 4057 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 12060 11478 UNINET, MX
9808 10795 10699 CHINAMOBILE-CN China Mobile Communications Grou
12479 7697 7549 UNI2-AS, ES
7545 6216 5559 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4330 4305 FPT-AS-AP FPT Telecom Company, VN
11492 4725 4133 CABLEONE, US
9498 4271 3975 BBIL-AP BHARTI Airtel Ltd., IN
20940 4057 3930 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 /15:2167 /16:13983 /17:8262 /18:13709
/19:24606 /20:43716 /21:51675 /22:111943 /23:101797 /24:607135
/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 6257 12060 UNINET, MX
11492 3533 4725 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2741 3610 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2319 13331 AMAZON-02, US
30036 2225 2566 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2199 3533 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 2:1527 3:704 4:10 5:4684 6:162
7:6 8:1571 9:1 11:172 12:1367 13:373
14:2517 15:354 16:283 17:372 18:922 20:518
21:4 22:188 23:7542 24:2807 25:2 27:2776
29:19 31:3247 32:37 33:1 34:80 35:204
36:2754 37:4639 38:9107 39:909 40:167 41:4204
42:1964 43:2571 44:377 45:18554 46:5056 47:294
49:1932 50:1895 51:590 52:1554 54:305 55:1095
56:11 57:256 58:2208 59:1215 60:1166 61:2774
62:2930 63:1810 64:5480 65:2106 66:4676 67:3069
68:1156 69:3927 70:1146 71:631 72:2873 74:2780
75:1619 76:614 77:2732 78:1894 79:1755 80:2201
81:2055 82:3168 83:1434 84:1854 85:3441 86:1051
87:2155 88:1317 89:4358 90:774 91:8341 92:2713
93:2899 94:4023 95:4347 96:1461 97:312 98:1020
99:673 100:72 101:1154 102:3925 103:32212 104:4827
105:755 106:1033 107:2646 108:1216 109:4080 110:2229
111:3357 112:2057 113:1788 114:1965 115:2206 116:2046
117:2671 118:2892 119:1955 120:1891 121:1373 122:2752
123:2184 124:1571 125:2846 126:91 128:1601 129:956
130:1296 131:1953 132:777 133:451 134:1540 135:331
136:1306 137:1256 138:2885 139:1631 140:1577 141:1502
142:1902 143:1716 144:1088 145:504 146:2165 147:2099
148:2683 149:2864 150:1248 151:1849 152:2086 153:560
154:8132 155:1691 156:3364 157:1907 158:1301 159:2446
160:3581 161:1892 162:3728 163:2132 164:1698 165:2197
166:1472 167:1891 168:4040 169:788 170:5065 171:1010
172:4419 173:3266 174:918 175:1299 176:3665 177:4648
178:3628 179:2273 180:2621 181:4066 182:3423 183:2082
184:2114 185:21572 186:5105 187:4430 188:4220 189:4241
190:9611 191:1476 192:11248 193:9486 194:7768 195:5509
196:3296 197:3711 198:6138 199:8479 200:8184 201:6274
202:10270 203:10637 204:4522 205:3591 206:4643 207:3486
208:4273 209:5162 210:4588 211:2535 212:4531 213:3711
214:1029 215:48 216:6730 217:3129 218:1342 219:375
220:2080 221:1079 222:716 223:2358
End of report
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