[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu May 22 21:38:37 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 22 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: 983704
Prefixes after maximum aggregation (per Origin AS): 378967
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 481356
Number of IPv4 prefixes with a valid ROA: 546462
Number of IPv4 prefixes with an invalid ROA: 180
Number of IPv4 prefixes with no ROA: 437062
Total ASes present in the Internet Routing Table: 76875
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65876
Origin ASes announcing only one prefix: 26947
Transit ASes present in the Internet Routing Table: 10999
Transit-only ASes present in the Internet Routing Table: 548
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: 1134
Number of instances of unregistered ASNs: 1140
Number of 32-bit ASNs allocated by the RIRs: 46491
Number of 32-bit ASNs visible in the Routing Table: 38246
Prefixes from 32-bit ASNs in the Routing Table: 203334
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: 460
Number of addresses announced to Internet: 3108646912
Equivalent to 185 /8s, 74 /16s and 48 /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: 321647
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257895
Total APNIC prefixes after maximum aggregation: 77107
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 249107
Unique aggregates announced from the APNIC address blocks: 104290
APNIC Region origin ASes present in the Internet Routing Table: 14602
APNIC Prefixes per ASN: 17.06
APNIC Region origin ASes announcing only one prefix: 4450
APNIC Region transit ASes present in the Internet Routing Table: 1956
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: 10122
Number of APNIC addresses announced to Internet: 747725312
Equivalent to 44 /8s, 145 /16s and 98 /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: 291188
Total ARIN prefixes after maximum aggregation: 130936
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 291806
Unique aggregates announced from the ARIN address blocks: 139353
ARIN Region origin ASes present in the Internet Routing Table: 19240
ARIN Prefixes per ASN: 15.17
ARIN Region origin ASes announcing only one prefix: 7055
ARIN Region transit ASes present in the Internet Routing Table: 1988
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: 5215
Number of ARIN addresses announced to Internet: 1352743168
Equivalent to 80 /8s, 161 /16s and 57 /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: 273876
Total RIPE prefixes after maximum aggregation: 134121
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 272165
Unique aggregates announced from the RIPE address blocks: 174726
RIPE Region origin ASes present in the Internet Routing Table: 28906
RIPE Prefixes per ASN: 9.42
RIPE Region origin ASes announcing only one prefix: 12056
RIPE Region transit ASes present in the Internet Routing Table: 3982
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: 12440
Number of RIPE addresses announced to Internet: 731416064
Equivalent to 43 /8s, 152 /16s and 134 /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: 124220
Total LACNIC prefixes after maximum aggregation: 29459
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120618
Unique aggregates announced from the LACNIC address blocks: 48945
LACNIC Region origin ASes present in the Internet Routing Table: 11240
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2687
LACNIC Region transit ASes present in the Internet Routing Table: 2502
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: 9189
Number of LACNIC addresses announced to Internet: 171774208
Equivalent to 10 /8s, 61 /16s and 17 /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: 35391
Total AfriNIC prefixes after maximum aggregation: 6630
AfriNIC Deaggregation factor: 5.34
Prefixes being announced from the AfriNIC address blocks: 49547
Unique aggregates announced from the AfriNIC address blocks: 13634
AfriNIC Region origin ASes present in the Internet Routing Table: 1915
AfriNIC Prefixes per ASN: 25.87
AfriNIC Region origin ASes announcing only one prefix: 699
AfriNIC Region transit ASes present in the Internet Routing Table: 378
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: 1280
Number of AfriNIC addresses announced to Internet: 104775168
Equivalent to 6 /8s, 62 /16s and 190 /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 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4453 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4286 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 2867 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2166 434 193 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 13454 40825 5093 AMAZON-02, US
11492 4734 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3622 3054 214 ASN-CXA-ALL-CCI-22773-RDC, US
174 3415 8746 883 COGENT-174, US
749 3231 54784 2482 DNIC-AS-00749, US
396982 3168 3852 417 GOOGLE-CLOUD-PLATFORM, US
16625 3152 1320 2266 AKAMAI-AS, US
36352 2827 231 858 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 7713 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4063 3395 127 AKAMAI-ASN1, NL
9009 3825 333 2041 M247, RO
12389 3071 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 581 TELLCOM-AS, TR
212238 2149 151 1580 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 12150 3251 581 UNINET, MX
10620 3499 480 1018 Telmex Colombia S.A., CO
13999 2512 540 364 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 1197 371 22 Telefonica del Peru S.A.A., PE
22884 1061 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 1780 644 27 RAYA-AS, EG
24863 1652 389 17 LINKdotNET-AS, EG
29571 1607 102 33 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 546 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 13454 40825 5093 AMAZON-02, US
8151 12150 3251 581 UNINET, MX
9808 11086 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7713 1714 148 UNI2-AS, ES
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4734 314 586 CABLEONE, US
18403 4453 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4286 534 301 BBIL-AP BHARTI Airtel Ltd., IN
20940 4063 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 12150 11569 UNINET, MX
9808 11086 10990 CHINAMOBILE-CN China Mobile Communications Grou
12479 7713 7565 UNI2-AS, ES
7545 6179 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4453 4428 FPT-AS-AP FPT Telecom Company, VN
11492 4734 4148 CABLEONE, US
9498 4286 3985 BBIL-AP BHARTI Airtel Ltd., IN
20940 4063 3936 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
23.146.16.0/24 Origin: 396281 RESERVED, ZZ
23.146.16.0/24 Transit: 7018 ATT-INTERNET4, US
23.146.19.0/24 Origin: 396281 RESERVED, ZZ
23.146.19.0/24 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 /14:1223 /15:2165 /16:13902 /17:8255 /18:13692
/19:24595 /20:43952 /21:51703 /22:111943 /23:102315 /24:608911
/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 6629 7713 UNI2-AS, ES
8151 6343 12150 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 3622 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2322 13454 AMAZON-02, US
30036 2233 2575 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2185 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)
----------------------------------------------
1:2366 2:1522 3:778 4:9 5:4705 6:163
7:6 8:1580 9:1 11:172 12:1362 13:432
14:2520 15:353 16:284 17:376 18:920 20:527
21:4 22:188 23:7587 24:2806 25:2 27:2784
29:19 31:3271 32:36 33:1 34:80 35:207
36:2955 37:4626 38:9106 39:909 40:169 41:4219
42:1995 43:2588 44:384 45:18579 46:5075 47:302
49:1930 50:1890 51:590 52:1559 54:315 55:1096
56:11 57:261 58:2220 59:1220 60:1168 61:2790
62:2921 63:1806 64:5461 65:2067 66:4654 67:3068
68:1158 69:3931 70:1127 71:634 72:2841 74:2774
75:1519 76:615 77:2705 78:1909 79:1478 80:2193
81:2086 82:3125 83:1435 84:1867 85:3425 86:1066
87:2137 88:1321 89:4384 90:775 91:8364 92:2700
93:2900 94:4056 95:4332 96:1461 97:312 98:1020
99:686 100:71 101:1177 102:3868 103:32221 104:5052
105:766 106:1036 107:2672 108:1215 109:3938 110:2242
111:3326 112:2095 113:1807 114:1969 115:2177 116:2047
117:2584 118:2881 119:1957 120:1949 121:1380 122:2763
123:2191 124:1589 125:2854 126:91 128:1623 129:959
130:1312 131:1974 132:782 133:451 134:1540 135:332
136:1348 137:1262 138:2913 139:1601 140:1588 141:1503
142:1903 143:1757 144:1103 145:504 146:2188 147:2113
148:2703 149:2885 150:1213 151:1930 152:2091 153:564
154:8041 155:1971 156:3192 157:1912 158:1322 159:2452
160:3827 161:1879 162:3757 163:2169 164:1693 165:2203
166:1479 167:1895 168:4305 169:798 170:5084 171:1009
172:4451 173:3295 174:925 175:1298 176:3699 177:4747
178:3641 179:2321 180:2631 181:4065 182:3441 183:2092
184:2115 185:21577 186:5167 187:4493 188:4258 189:4317
190:9546 191:1505 192:11279 193:9476 194:7771 195:5522
196:3235 197:3653 198:6111 199:8487 200:8204 201:6348
202:10299 203:10630 204:4529 205:3601 206:4490 207:3497
208:4268 209:5167 210:4598 211:2545 212:4552 213:3726
214:1024 215:48 216:6743 217:3134 218:1346 219:380
220:2079 221:1096 222:722 223:2388
End of report
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