[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun May 4 21:39:58 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sun 04 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: 980899
Prefixes after maximum aggregation (per Origin AS): 377259
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 478897
Number of IPv4 prefixes with a valid ROA: 543714
Number of IPv4 prefixes with an invalid ROA: 174
Number of IPv4 prefixes with no ROA: 437011
Total ASes present in the Internet Routing Table: 76846
Prefixes per ASN: 12.76
Origin-only ASes present in the Internet Routing Table: 65831
Origin ASes announcing only one prefix: 26951
Transit ASes present in the Internet Routing Table: 11015
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: 1182
Number of instances of unregistered ASNs: 1185
Number of 32-bit ASNs allocated by the RIRs: 46334
Number of 32-bit ASNs visible in the Routing Table: 38175
Prefixes from 32-bit ASNs in the Routing Table: 201392
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: 472
Number of addresses announced to Internet: 3109056256
Equivalent to 185 /8s, 80 /16s and 111 /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: 321618
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 256829
Total APNIC prefixes after maximum aggregation: 76803
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 248049
Unique aggregates announced from the APNIC address blocks: 103190
APNIC Region origin ASes present in the Internet Routing Table: 14597
APNIC Prefixes per ASN: 16.99
APNIC Region origin ASes announcing only one prefix: 4459
APNIC Region transit ASes present in the Internet Routing Table: 1973
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 46
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10110
Number of APNIC addresses announced to Internet: 747409664
Equivalent to 44 /8s, 140 /16s and 145 /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: 289864
Total ARIN prefixes after maximum aggregation: 129775
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 291095
Unique aggregates announced from the ARIN address blocks: 138524
ARIN Region origin ASes present in the Internet Routing Table: 19242
ARIN Prefixes per ASN: 15.13
ARIN Region origin ASes announcing only one prefix: 7043
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: 44
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5200
Number of ARIN addresses announced to Internet: 1353256960
Equivalent to 80 /8s, 169 /16s and 16 /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: 273964
Total RIPE prefixes after maximum aggregation: 133868
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271831
Unique aggregates announced from the RIPE address blocks: 174063
RIPE Region origin ASes present in the Internet Routing Table: 28903
RIPE Prefixes per ASN: 9.40
RIPE Region origin ASes announcing only one prefix: 12054
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: 12414
Number of RIPE addresses announced to Internet: 731377408
Equivalent to 43 /8s, 151 /16s and 239 /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: 123685
Total LACNIC prefixes after maximum aggregation: 29330
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120206
Unique aggregates announced from the LACNIC address blocks: 48805
LACNIC Region origin ASes present in the Internet Routing Table: 11227
LACNIC Prefixes per ASN: 10.71
LACNIC Region origin ASes announcing only one prefix: 2701
LACNIC Region transit ASes present in the Internet Routing Table: 2477
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: 9176
Number of LACNIC addresses announced to Internet: 171681024
Equivalent to 10 /8s, 59 /16s and 165 /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: 35375
Total AfriNIC prefixes after maximum aggregation: 6770
AfriNIC Deaggregation factor: 5.23
Prefixes being announced from the AfriNIC address blocks: 49245
Unique aggregates announced from the AfriNIC address blocks: 13926
AfriNIC Region origin ASes present in the Internet Routing Table: 1910
AfriNIC Prefixes per ASN: 25.78
AfriNIC Region origin ASes announcing only one prefix: 694
AfriNIC Region transit ASes present in the Internet Routing Table: 376
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: 1275
Number of AfriNIC addresses announced to Internet: 105107456
Equivalent to 6 /8s, 67 /16s and 208 /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 10454 8754 93 CHINAMOBILE-CN China Mobile Communication
7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4317 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4239 531 278 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3675 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3265 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2859 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2189 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 13292 40823 4412 AMAZON-02, US
11492 4711 312 591 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
174 3633 8755 925 COGENT-174, US
6327 3621 1320 81 SHAW, CA
22773 3609 3053 208 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54863 2505 DNIC-AS-00749, US
16625 3120 1312 2258 AKAMAI-AS, US
396982 2955 3657 469 GOOGLE-CLOUD-PLATFORM, US
36352 2772 227 850 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 7724 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4061 3395 127 AKAMAI-ASN1, NL
9009 3792 327 1975 M247, RO
12389 3070 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2122 150 1564 CDNEXT, GB
8452 1647 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1417 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
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 12040 3243 585 UNINET, MX
10620 3522 486 994 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1994 369 64 Instituto Costarricense de Electricidad y
28573 1359 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1198 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1191 371 22 Telefonica del Peru S.A.A., PE
22884 1057 70 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1043 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 1649 389 16 LINKdotNET-AS, EG
29571 1594 102 22 ORANGE-COTE-IVOIRE, CI
36992 1430 1518 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1020 521 42 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
37069 932 1099 15 MOBINIL, EG
36914 548 82 3 KENET-AS, KE
15399 521 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 13292 40823 4412 AMAZON-02, US
8151 12040 3243 585 UNINET, MX
9808 10454 8754 93 CHINAMOBILE-CN China Mobile Communication
12479 7724 1714 148 UNI2-AS, ES
7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4711 312 591 CABLEONE, US
18403 4317 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4239 531 278 BBIL-AP BHARTI Airtel Ltd., IN
20940 4061 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 12040 11455 UNINET, MX
9808 10454 10361 CHINAMOBILE-CN China Mobile Communications Grou
12479 7724 7576 UNI2-AS, ES
7545 6216 5559 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4317 4292 FPT-AS-AP FPT Telecom Company, VN
11492 4711 4120 CABLEONE, US
9498 4239 3961 BBIL-AP BHARTI Airtel Ltd., IN
20940 4061 3934 AKAMAI-ASN1, NL
7552 3919 3893 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 /14:1222 /15:2164 /16:13986 /17:8271 /18:13741
/19:24599 /20:43698 /21:51723 /22:111987 /23:101651 /24:606807
/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 6646 7724 UNI2-AS, ES
8151 6243 12040 UNINET, MX
11492 3531 4711 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2740 3609 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2335 13292 AMAZON-02, US
30036 2235 2576 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2188 3522 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)
----------------------------------------------
1:2331 2:1527 3:668 4:9 5:4685 6:162
7:6 8:1555 9:1 11:172 12:1365 13:364
14:2514 15:352 16:282 17:368 18:917 20:515
21:4 22:188 23:7532 24:2806 25:2 27:2780
29:19 31:3243 32:36 33:1 34:80 35:203
36:2488 37:4684 38:9043 39:907 40:167 41:4172
42:1959 43:2578 44:377 45:18564 46:5047 47:293
49:1935 50:1891 51:590 52:1552 54:302 55:1082
56:11 57:257 58:2206 59:1213 60:1169 61:2775
62:2942 63:1824 64:5483 65:2119 66:4657 67:3067
68:1170 69:3931 70:1150 71:628 72:2868 74:2783
75:1619 76:614 77:2728 78:1895 79:1752 80:2198
81:2040 82:3207 83:1436 84:1853 85:3423 86:1049
87:2157 88:1317 89:4336 90:783 91:8344 92:2725
93:2897 94:4086 95:4359 96:1459 97:312 98:1024
99:671 100:72 101:1151 102:3887 103:32229 104:4814
105:751 106:1032 107:2644 108:1204 109:4075 110:2230
111:3331 112:2049 113:1796 114:1963 115:2209 116:2040
117:2747 118:2887 119:1955 120:1881 121:1373 122:2753
123:2178 124:1570 125:2846 126:91 128:1615 129:948
130:1297 131:1929 132:779 133:451 134:1543 135:331
136:1303 137:1250 138:2889 139:1629 140:1575 141:1491
142:1904 143:1685 144:1078 145:505 146:2162 147:2101
148:2682 149:2852 150:1255 151:1821 152:2102 153:564
154:8227 155:1655 156:3460 157:1899 158:1289 159:2441
160:3574 161:1915 162:3727 163:2117 164:1700 165:2195
166:1470 167:1883 168:4029 169:791 170:5071 171:1010
172:4429 173:3262 174:918 175:1302 176:3659 177:4674
178:3688 179:2275 180:2607 181:4048 182:3392 183:2056
184:2146 185:21546 186:5113 187:4433 188:4214 189:4216
190:9599 191:1472 192:11243 193:9457 194:7771 195:5508
196:3299 197:3658 198:6134 199:8473 200:8215 201:6309
202:10404 203:10640 204:4520 205:3589 206:4621 207:3474
208:4266 209:5157 210:4588 211:2534 212:4522 213:3702
214:1030 215:48 216:6722 217:3149 218:1333 219:375
220:2077 221:1058 222:724 223:2351
End of report
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