[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun May 25 21:39:07 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sun 25 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: 984096
Prefixes after maximum aggregation (per Origin AS): 379191
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 481540
Number of IPv4 prefixes with a valid ROA: 547006
Number of IPv4 prefixes with an invalid ROA: 180
Number of IPv4 prefixes with no ROA: 436910
Total ASes present in the Internet Routing Table: 76903
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65920
Origin ASes announcing only one prefix: 26955
Transit ASes present in the Internet Routing Table: 10983
Transit-only ASes present in the Internet Routing Table: 545
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: 70
Max AS path prepend of ASN ( 37447) 66
Prefixes from unregistered ASNs in the Routing Table: 1128
Number of instances of unregistered ASNs: 1134
Number of 32-bit ASNs allocated by the RIRs: 46520
Number of 32-bit ASNs visible in the Routing Table: 38274
Prefixes from 32-bit ASNs in the Routing Table: 203349
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: 459
Number of addresses announced to Internet: 3109189632
Equivalent to 185 /8s, 82 /16s and 120 /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: 321886
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257767
Total APNIC prefixes after maximum aggregation: 77103
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 248943
Unique aggregates announced from the APNIC address blocks: 104268
APNIC Region origin ASes present in the Internet Routing Table: 14612
APNIC Prefixes per ASN: 17.04
APNIC Region origin ASes announcing only one prefix: 4458
APNIC Region transit ASes present in the Internet Routing Table: 1952
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: 10130
Number of APNIC addresses announced to Internet: 747681024
Equivalent to 44 /8s, 144 /16s and 181 /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: 291465
Total ARIN prefixes after maximum aggregation: 131038
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292026
Unique aggregates announced from the ARIN address blocks: 139422
ARIN Region origin ASes present in the Internet Routing Table: 19242
ARIN Prefixes per ASN: 15.18
ARIN Region origin ASes announcing only one prefix: 7059
ARIN Region transit ASes present in the Internet Routing Table: 1989
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: 5216
Number of ARIN addresses announced to Internet: 1352685568
Equivalent to 80 /8s, 160 /16s and 88 /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: 274185
Total RIPE prefixes after maximum aggregation: 134199
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 272579
Unique aggregates announced from the RIPE address blocks: 174853
RIPE Region origin ASes present in the Internet Routing Table: 28920
RIPE Prefixes per ASN: 9.43
RIPE Region origin ASes announcing only one prefix: 12064
RIPE Region transit ASes present in the Internet Routing Table: 3977
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: 12452
Number of RIPE addresses announced to Internet: 731487232
Equivalent to 43 /8s, 153 /16s and 156 /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: 123946
Total LACNIC prefixes after maximum aggregation: 29463
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 120324
Unique aggregates announced from the LACNIC address blocks: 48918
LACNIC Region origin ASes present in the Internet Routing Table: 11252
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2684
LACNIC Region transit ASes present in the Internet Routing Table: 2501
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9199
Number of LACNIC addresses announced to Internet: 171868928
Equivalent to 10 /8s, 62 /16s and 131 /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: 35605
Total AfriNIC prefixes after maximum aggregation: 6677
AfriNIC Deaggregation factor: 5.33
Prefixes being announced from the AfriNIC address blocks: 49764
Unique aggregates announced from the AfriNIC address blocks: 13672
AfriNIC Region origin ASes present in the Internet Routing Table: 1909
AfriNIC Prefixes per ASN: 26.07
AfriNIC Region origin ASes announcing only one prefix: 690
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: 70
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1277
Number of AfriNIC addresses announced to Internet: 105254912
Equivalent to 6 /8s, 70 /16s and 16 /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 11030 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4413 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4288 534 301 BBIL-AP BHARTI Airtel Ltd., IN
7552 3908 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 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 13541 40828 5156 AMAZON-02, US
11492 4734 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3616 3052 210 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 3152 1316 2263 AKAMAI-AS, US
36352 2830 231 859 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 7712 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4065 3395 127 AKAMAI-ASN1, NL
9009 3832 335 2051 M247, RO
12389 3071 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2389 360 580 TELLCOM-AS, TR
212238 2154 152 1583 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 12169 3253 582 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 1339 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 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 1653 389 17 LINKdotNET-AS, EG
29571 1608 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 1058 523 46 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 552 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 13541 40828 5156 AMAZON-02, US
8151 12169 3253 582 UNINET, MX
9808 11030 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7712 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 4413 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 12169 11587 UNINET, MX
9808 11030 10934 CHINAMOBILE-CN China Mobile Communications Grou
12479 7712 7564 UNI2-AS, ES
7545 6179 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4413 4388 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 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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 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 /16:13897 /17:8267 /18:13676
/19:24625 /20:43978 /21:51704 /22:112005 /23:102281 /24:609228
/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 6628 7712 UNI2-AS, ES
8151 6360 12169 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 2744 3616 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2364 13541 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)
----------------------------------------------
1:2365 2:1528 3:785 4:9 5:4712 6:163
7:6 8:1579 9:1 11:172 12:1356 13:434
14:2520 15:354 16:285 17:376 18:920 20:528
21:4 22:188 23:7576 24:2806 25:2 27:2785
29:19 31:3272 32:36 33:1 34:80 35:207
36:2955 37:4626 38:9132 39:907 40:169 41:4236
42:1974 43:2587 44:385 45:18589 46:5072 47:301
49:1933 50:1877 51:590 52:1563 54:320 55:1096
56:11 57:261 58:2219 59:1220 60:1168 61:2789
62:2919 63:1805 64:5473 65:2068 66:4650 67:3070
68:1163 69:3943 70:1144 71:634 72:2862 74:2794
75:1520 76:615 77:2706 78:1910 79:1587 80:2205
81:2087 82:3134 83:1445 84:1867 85:3422 86:1068
87:2138 88:1322 89:4390 90:775 91:8370 92:2707
93:2901 94:4055 95:4334 96:1460 97:312 98:1019
99:686 100:71 101:1175 102:3891 103:32243 104:5067
105:766 106:1035 107:2671 108:1211 109:4026 110:2243
111:3288 112:2097 113:1797 114:1971 115:2177 116:2046
117:2575 118:2874 119:1910 120:1949 121:1381 122:2765
123:2190 124:1578 125:2855 126:91 128:1626 129:959
130:1314 131:1970 132:786 133:451 134:1539 135:333
136:1341 137:1262 138:2906 139:1599 140:1591 141:1505
142:1904 143:1768 144:1107 145:503 146:2190 147:2112
148:2705 149:2891 150:1214 151:1936 152:2090 153:564
154:8009 155:1977 156:3203 157:1914 158:1324 159:2446
160:3837 161:1840 162:3758 163:2177 164:1728 165:2210
166:1480 167:1892 168:4318 169:794 170:5096 171:1011
172:4452 173:3299 174:923 175:1295 176:3704 177:4683
178:3640 179:2298 180:2630 181:4070 182:3444 183:2085
184:2114 185:21603 186:5165 187:4477 188:4260 189:4295
190:9546 191:1481 192:11281 193:9484 194:7779 195:5526
196:3267 197:3664 198:6115 199:8489 200:8212 201:6360
202:10303 203:10635 204:4525 205:3601 206:4505 207:3503
208:4265 209:5128 210:4599 211:2531 212:4550 213:3730
214:1023 215:48 216:6760 217:3139 218:1347 219:379
220:2079 221:1096 222:722 223:2387
End of report
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