[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri May 23 21:38:58 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Fri 23 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: 983895
Prefixes after maximum aggregation (per Origin AS): 379042
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 481266
Number of IPv4 prefixes with a valid ROA: 546995
Number of IPv4 prefixes with an invalid ROA: 180
Number of IPv4 prefixes with no ROA: 436720
Total ASes present in the Internet Routing Table: 76871
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65875
Origin ASes announcing only one prefix: 26955
Transit ASes present in the Internet Routing Table: 10996
Transit-only ASes present in the Internet Routing Table: 544
Paths with bogon ASNs present in the IPv4 Routing Table: 310
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 102
Max AS path prepend of ASN ( 37447) 98
Prefixes from unregistered ASNs in the Routing Table: 1125
Number of instances of unregistered ASNs: 1131
Number of 32-bit ASNs allocated by the RIRs: 46499
Number of 32-bit ASNs visible in the Routing Table: 38249
Prefixes from 32-bit ASNs in the Routing Table: 203283
Number of bogon 32-bit ASNs visible in the Routing Table: 37
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 461
Number of addresses announced to Internet: 3109166848
Equivalent to 185 /8s, 82 /16s and 31 /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: 321950
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257877
Total APNIC prefixes after maximum aggregation: 77100
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 249053
Unique aggregates announced from the APNIC address blocks: 104265
APNIC Region origin ASes present in the Internet Routing Table: 14596
APNIC Prefixes per ASN: 17.06
APNIC Region origin ASes announcing only one prefix: 4453
APNIC Region transit ASes present in the Internet Routing Table: 1961
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: 10114
Number of APNIC addresses announced to Internet: 747770112
Equivalent to 44 /8s, 146 /16s and 17 /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: 291269
Total ARIN prefixes after maximum aggregation: 130976
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 291716
Unique aggregates announced from the ARIN address blocks: 139239
ARIN Region origin ASes present in the Internet Routing Table: 19242
ARIN Prefixes per ASN: 15.16
ARIN Region origin ASes announcing only one prefix: 7059
ARIN Region transit ASes present in the Internet Routing Table: 1986
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: 5219
Number of ARIN addresses announced to Internet: 1352630528
Equivalent to 80 /8s, 159 /16s and 129 /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: 273871
Total RIPE prefixes after maximum aggregation: 134071
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 272308
Unique aggregates announced from the RIPE address blocks: 174765
RIPE Region origin ASes present in the Internet Routing Table: 28909
RIPE Prefixes per ASN: 9.42
RIPE Region origin ASes announcing only one prefix: 12058
RIPE Region transit ASes present in the Internet Routing Table: 3980
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: 12445
Number of RIPE addresses announced to Internet: 731441152
Equivalent to 43 /8s, 152 /16s and 232 /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: 124259
Total LACNIC prefixes after maximum aggregation: 29479
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120638
Unique aggregates announced from the LACNIC address blocks: 48893
LACNIC Region origin ASes present in the Internet Routing Table: 11245
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2692
LACNIC Region transit ASes present in the Internet Routing Table: 2504
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: 9193
Number of LACNIC addresses announced to Internet: 171851776
Equivalent to 10 /8s, 62 /16s and 64 /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: 35494
Total AfriNIC prefixes after maximum aggregation: 6703
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 49718
Unique aggregates announced from the AfriNIC address blocks: 13695
AfriNIC Region origin ASes present in the Internet Routing Table: 1911
AfriNIC Prefixes per ASN: 26.02
AfriNIC Region origin ASes announcing only one prefix: 693
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: 102
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1278
Number of AfriNIC addresses announced to Internet: 105263872
Equivalent to 6 /8s, 70 /16s and 51 /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 11086 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6178 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4444 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4288 534 301 BBIL-AP BHARTI Airtel Ltd., IN
7552 3906 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3693 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3265 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2868 853 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2165 434 192 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 13479 40825 5111 AMAZON-02, US
11492 4734 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3620 3053 212 ASN-CXA-ALL-CCI-22773-RDC, US
174 3410 8746 882 COGENT-174, US
749 3231 54784 2482 DNIC-AS-00749, US
396982 3168 3852 417 GOOGLE-CLOUD-PLATFORM, US
16625 3154 1320 2264 AKAMAI-AS, US
36352 2831 231 860 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 7714 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4065 3395 127 AKAMAI-ASN1, NL
9009 3836 335 2052 M247, RO
12389 3070 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 581 TELLCOM-AS, TR
212238 2150 152 1581 CDNEXT, GB
8452 1633 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1423 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 12164 3253 581 UNINET, MX
10620 3500 480 1017 Telmex Colombia S.A., CO
13999 2511 540 365 Mega Cable, S.A. de C.V., MX
11830 1990 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 1205 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1198 371 22 Telefonica del Peru S.A.A., PE
22884 1062 70 379 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 1780 644 27 RAYA-AS, EG
24863 1652 389 17 LINKdotNET-AS, EG
29571 1530 102 59 ORANGE-COTE-IVOIRE, CI
36992 1432 1519 280 ETISALAT-MISR, EG
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1046 523 46 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 557 82 3 KENET-AS, KE
15399 532 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 13479 40825 5111 AMAZON-02, US
8151 12164 3253 581 UNINET, MX
9808 11086 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7714 1714 148 UNI2-AS, ES
7545 6178 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4734 314 586 CABLEONE, US
18403 4444 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4288 534 301 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 12164 11583 UNINET, MX
9808 11086 10990 CHINAMOBILE-CN China Mobile Communications Grou
12479 7714 7566 UNI2-AS, ES
7545 6178 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4444 4419 FPT-AS-AP FPT Telecom Company, VN
11492 4734 4148 CABLEONE, US
9498 4288 3987 BBIL-AP BHARTI Airtel Ltd., IN
20940 4065 3938 AKAMAI-ASN1, NL
7552 3906 3880 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
23.143.96.0/24 Origin: 15830 EQUINIX, NL
23.143.96.0/24 Transit: 2914 NTT-DATA-2914, US
23.146.16.0/24 Origin: 396281 RESERVED, ZZ
23.146.16.0/24 Transit: 7018 ATT-INTERNET4, 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 /11:92 /12:299
/13:583 /14:1222 /15:2165 /16:13898 /17:8269 /18:13678
/19:24636 /20:43974 /21:51716 /22:111992 /23:102358 /24:608939
/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 6630 7714 UNI2-AS, ES
8151 6358 12164 UNINET, MX
11492 3531 4734 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3622 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2746 3620 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2327 13479 AMAZON-02, US
30036 2235 2577 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2186 3500 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)
----------------------------------------------
1:2367 2:1525 3:782 4:9 5:4711 6:163
7:6 8:1579 9:1 11:172 12:1362 13:433
14:2520 15:353 16:285 17:376 18:920 20:528
21:4 22:188 23:7585 24:2806 25:2 27:2783
29:19 31:3272 32:36 33:1 34:80 35:206
36:2955 37:4626 38:9089 39:909 40:169 41:4228
42:1989 43:2588 44:385 45:18570 46:5078 47:302
49:1933 50:1882 51:590 52:1562 54:317 55:1060
56:11 57:262 58:2219 59:1220 60:1168 61:2791
62:2920 63:1804 64:5463 65:2066 66:4658 67:3070
68:1163 69:3930 70:1144 71:634 72:2861 74:2778
75:1519 76:615 77:2705 78:1910 79:1508 80:2205
81:2083 82:3132 83:1438 84:1867 85:3426 86:1068
87:2137 88:1322 89:4383 90:775 91:8364 92:2708
93:2899 94:4056 95:4331 96:1462 97:312 98:1019
99:686 100:71 101:1174 102:3879 103:32201 104:5051
105:766 106:1035 107:2672 108:1211 109:3999 110:2244
111:3332 112:2097 113:1810 114:1970 115:2177 116:2046
117:2577 118:2880 119:1957 120:1949 121:1382 122:2765
123:2191 124:1579 125:2856 126:91 128:1623 129:959
130:1312 131:1978 132:770 133:451 134:1539 135:333
136:1345 137:1260 138:2911 139:1601 140:1591 141:1506
142:1875 143:1765 144:1105 145:503 146:2189 147:2111
148:2703 149:2883 150:1211 151:1934 152:2090 153:564
154:8034 155:1978 156:3213 157:1915 158:1263 159:2449
160:3799 161:1874 162:3757 163:2165 164:1696 165:2204
166:1464 167:1892 168:4305 169:795 170:5093 171:1009
172:4381 173:3296 174:923 175:1299 176:3702 177:4751
178:3639 179:2314 180:2631 181:4065 182:3444 183:2089
184:2115 185:21589 186:5163 187:4502 188:4260 189:4325
190:9544 191:1505 192:11271 193:9472 194:7784 195:5525
196:3266 197:3668 198:6117 199:8490 200:8189 201:6351
202:10301 203:10630 204:4528 205:3605 206:4492 207:3497
208:4269 209:5172 210:4598 211:2546 212:4550 213:3730
214:1025 215:48 216:6750 217:3137 218:1347 219:380
220:2079 221:1096 222:722 223:2390
End of report
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