[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun May 18 21:39:57 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sun 18 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: 983111
Prefixes after maximum aggregation (per Origin AS): 378810
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479443
Number of IPv4 prefixes with a valid ROA: 545182
Number of IPv4 prefixes with an invalid ROA: 173
Number of IPv4 prefixes with no ROA: 437756
Total ASes present in the Internet Routing Table: 76869
Prefixes per ASN: 12.79
Origin-only ASes present in the Internet Routing Table: 65864
Origin ASes announcing only one prefix: 26945
Transit ASes present in the Internet Routing Table: 11005
Transit-only ASes present in the Internet Routing Table: 549
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: 104
Max AS path prepend of ASN ( 37447) 98
Prefixes from unregistered ASNs in the Routing Table: 1123
Number of instances of unregistered ASNs: 1129
Number of 32-bit ASNs allocated by the RIRs: 46451
Number of 32-bit ASNs visible in the Routing Table: 38225
Prefixes from 32-bit ASNs in the Routing Table: 202705
Number of bogon 32-bit ASNs visible in the Routing Table: 35
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 447
Number of addresses announced to Internet: 3108229376
Equivalent to 185 /8s, 67 /16s and 209 /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: 321705
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257476
Total APNIC prefixes after maximum aggregation: 76963
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 248794
Unique aggregates announced from the APNIC address blocks: 103114
APNIC Region origin ASes present in the Internet Routing Table: 14596
APNIC Prefixes per ASN: 17.05
APNIC Region origin ASes announcing only one prefix: 4449
APNIC Region transit ASes present in the Internet Routing Table: 1963
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10116
Number of APNIC addresses announced to Internet: 747599616
Equivalent to 44 /8s, 143 /16s and 119 /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: 290449
Total ARIN prefixes after maximum aggregation: 130783
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 291717
Unique aggregates announced from the ARIN address blocks: 138715
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: 7045
ARIN Region transit ASes present in the Internet Routing Table: 1992
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: 5211
Number of ARIN addresses announced to Internet: 1352564480
Equivalent to 80 /8s, 158 /16s and 127 /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: 274032
Total RIPE prefixes after maximum aggregation: 134084
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 272156
Unique aggregates announced from the RIPE address blocks: 174474
RIPE Region origin ASes present in the Internet Routing Table: 28911
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12064
RIPE Region transit ASes present in the Internet Routing Table: 3986
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: 12439
Number of RIPE addresses announced to Internet: 730928896
Equivalent to 43 /8s, 145 /16s and 23 /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: 124440
Total LACNIC prefixes after maximum aggregation: 29470
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120055
Unique aggregates announced from the LACNIC address blocks: 48865
LACNIC Region origin ASes present in the Internet Routing Table: 11236
LACNIC Prefixes per ASN: 10.68
LACNIC Region origin ASes announcing only one prefix: 2694
LACNIC Region transit ASes present in the Internet Routing Table: 2490
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9182
Number of LACNIC addresses announced to Internet: 171740160
Equivalent to 10 /8s, 60 /16s and 140 /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: 35591
Total AfriNIC prefixes after maximum aggregation: 6793
AfriNIC Deaggregation factor: 5.24
Prefixes being announced from the AfriNIC address blocks: 49941
Unique aggregates announced from the AfriNIC address blocks: 13883
AfriNIC Region origin ASes present in the Internet Routing Table: 1910
AfriNIC Prefixes per ASN: 26.15
AfriNIC Region origin ASes announcing only one prefix: 693
AfriNIC Region transit ASes present in the Internet Routing Table: 376
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 104
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1277
Number of AfriNIC addresses announced to Internet: 105178368
Equivalent to 6 /8s, 68 /16s and 229 /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 10990 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6166 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4469 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4284 533 300 BBIL-AP BHARTI Airtel Ltd., IN
7552 3907 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 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2164 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 13423 40823 5045 AMAZON-02, US
11492 4726 313 592 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
22773 3622 3053 213 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3621 1320 81 SHAW, CA
174 3453 8747 883 COGENT-174, US
749 3243 54815 2494 DNIC-AS-00749, US
396982 3164 3851 416 GOOGLE-CLOUD-PLATFORM, US
16625 3152 1320 2267 AKAMAI-AS, US
36352 2807 229 870 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 7699 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4066 3395 127 AKAMAI-ASN1, NL
9009 3765 325 1954 M247, RO
12389 3069 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 581 TELLCOM-AS, TR
212238 2148 151 1580 CDNEXT, GB
8452 1626 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1422 94 737 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 12118 3249 585 UNINET, MX
10620 3499 480 1018 Telmex Colombia S.A., CO
13999 2517 540 364 Mega Cable, S.A. de C.V., MX
11830 1996 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 1204 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1196 371 22 Telefonica del Peru S.A.A., PE
22884 1061 70 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
262287 1049 83 227 Latitude.sh LTDA, BR
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 1778 632 28 RAYA-AS, EG
24863 1652 389 16 LINKdotNET-AS, EG
29571 1598 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 1036 523 46 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 544 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 13423 40823 5045 AMAZON-02, US
8151 12118 3249 585 UNINET, MX
9808 10990 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7699 1714 148 UNI2-AS, ES
7545 6166 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4726 313 592 CABLEONE, US
18403 4469 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4284 533 300 BBIL-AP BHARTI Airtel Ltd., IN
20940 4066 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 12118 11533 UNINET, MX
9808 10990 10894 CHINAMOBILE-CN China Mobile Communications Grou
12479 7699 7551 UNI2-AS, ES
7545 6166 5512 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4469 4444 FPT-AS-AP FPT Telecom Company, VN
11492 4726 4134 CABLEONE, US
9498 4284 3984 BBIL-AP BHARTI Airtel Ltd., IN
20940 4066 3939 AKAMAI-ASN1, NL
7552 3907 3881 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 /14:1222 /15:2164 /16:13970 /17:8269 /18:13707
/19:24625 /20:43897 /21:51687 /22:111903 /23:102047 /24:608572
/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 6615 7699 UNI2-AS, ES
8151 6311 12118 UNINET, MX
11492 3532 4726 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2748 3622 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2331 13423 AMAZON-02, US
30036 2233 2574 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)
----------------------------------------------
1:2351 2:1520 3:769 4:11 5:4693 6:163
7:6 8:1584 9:1 11:172 12:1366 13:420
14:2518 15:353 16:284 17:376 18:912 20:522
21:4 22:188 23:7565 24:2803 25:2 27:2778
29:19 31:3268 32:36 33:1 34:80 35:204
36:2894 37:4629 38:9124 39:913 40:169 41:4204
42:2009 43:2579 44:384 45:18526 46:5057 47:301
49:1933 50:1895 51:590 52:1557 54:312 55:1093
56:11 57:258 58:2220 59:1215 60:1167 61:2779
62:2926 63:1810 64:5479 65:2063 66:4660 67:3071
68:1157 69:3933 70:1127 71:635 72:2843 74:2786
75:1623 76:614 77:2707 78:1898 79:1754 80:2202
81:2071 82:3135 83:1431 84:1865 85:3430 86:1069
87:2162 88:1321 89:4372 90:775 91:8347 92:2692
93:2904 94:4050 95:4319 96:1461 97:312 98:1021
99:686 100:72 101:1152 102:3903 103:32212 104:5033
105:767 106:1034 107:2669 108:1220 109:4081 110:2237
111:3321 112:2071 113:1794 114:1968 115:2175 116:2040
117:2611 118:2889 119:1955 120:1924 121:1374 122:2757
123:2180 124:1568 125:2847 126:91 128:1622 129:960
130:1299 131:1972 132:784 133:450 134:1543 135:332
136:1347 137:1259 138:2885 139:1598 140:1589 141:1509
142:1901 143:1746 144:1099 145:506 146:2158 147:2108
148:2699 149:2865 150:1215 151:1909 152:2086 153:564
154:8044 155:1963 156:3318 157:1904 158:1314 159:2450
160:3822 161:1882 162:3747 163:2153 164:1718 165:2195
166:1483 167:1905 168:4288 169:795 170:4916 171:1009
172:4445 173:3290 174:924 175:1301 176:3694 177:4696
178:3628 179:2277 180:2621 181:4069 182:3437 183:2123
184:2119 185:21572 186:5148 187:4432 188:4245 189:4250
190:9523 191:1469 192:11262 193:9493 194:7770 195:5520
196:3290 197:3652 198:6113 199:8479 200:8197 201:6341
202:10289 203:10618 204:4536 205:3607 206:4517 207:3502
208:4278 209:5163 210:4594 211:2541 212:4534 213:3729
214:1025 215:48 216:6733 217:3137 218:1342 219:381
220:2080 221:1085 222:718 223:2380
End of report
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