[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Mar 24 21:40:26 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Mon 24 Mar, 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: 977711
Prefixes after maximum aggregation (per Origin AS): 374282
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 475823
Number of IPv4 prefixes with a valid ROA: 537843
Number of IPv4 prefixes with an invalid ROA: 179
Number of IPv4 prefixes with no ROA: 439689
Total ASes present in the Internet Routing Table: 76735
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 65789
Origin ASes announcing only one prefix: 26874
Transit ASes present in the Internet Routing Table: 10946
Transit-only ASes present in the Internet Routing Table: 542
Paths with bogon ASNs present in the IPv4 Routing Table: 314
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 61
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 1136
Number of instances of unregistered ASNs: 1141
Number of 32-bit ASNs allocated by the RIRs: 46129
Number of 32-bit ASNs visible in the Routing Table: 38000
Prefixes from 32-bit ASNs in the Routing Table: 199999
Number of bogon 32-bit ASNs visible in the Routing Table: 40
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 490
Number of addresses announced to Internet: 3107431168
Equivalent to 185 /8s, 55 /16s and 163 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 320692
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255366
Total APNIC prefixes after maximum aggregation: 76107
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 247189
Unique aggregates announced from the APNIC address blocks: 102576
APNIC Region origin ASes present in the Internet Routing Table: 14552
APNIC Prefixes per ASN: 16.99
APNIC Region origin ASes announcing only one prefix: 4446
APNIC Region transit ASes present in the Internet Routing Table: 1962
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 50
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10061
Number of APNIC addresses announced to Internet: 747953664
Equivalent to 44 /8s, 148 /16s and 222 /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: 289546
Total ARIN prefixes after maximum aggregation: 128592
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 290225
Unique aggregates announced from the ARIN address blocks: 136816
ARIN Region origin ASes present in the Internet Routing Table: 19225
ARIN Prefixes per ASN: 15.10
ARIN Region origin ASes announcing only one prefix: 7032
ARIN Region transit ASes present in the Internet Routing Table: 1978
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: 5165
Number of ARIN addresses announced to Internet: 1350328064
Equivalent to 80 /8s, 124 /16s and 95 /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: 272768
Total RIPE prefixes after maximum aggregation: 132851
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271071
Unique aggregates announced from the RIPE address blocks: 173529
RIPE Region origin ASes present in the Internet Routing Table: 28858
RIPE Prefixes per ASN: 9.39
RIPE Region origin ASes announcing only one prefix: 12035
RIPE Region transit ASes present in the Internet Routing Table: 3973
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12328
Number of RIPE addresses announced to Internet: 732376576
Equivalent to 43 /8s, 167 /16s and 46 /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: 123919
Total LACNIC prefixes after maximum aggregation: 29255
LACNIC Deaggregation factor: 4.24
Prefixes being announced from the LACNIC address blocks: 120569
Unique aggregates announced from the LACNIC address blocks: 48902
LACNIC Region origin ASes present in the Internet Routing Table: 11220
LACNIC Prefixes per ASN: 10.75
LACNIC Region origin ASes announcing only one prefix: 2666
LACNIC Region transit ASes present in the Internet Routing Table: 2471
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: 9173
Number of LACNIC addresses announced to Internet: 171576832
Equivalent to 10 /8s, 58 /16s and 14 /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: 34976
Total AfriNIC prefixes after maximum aggregation: 6758
AfriNIC Deaggregation factor: 5.18
Prefixes being announced from the AfriNIC address blocks: 48166
Unique aggregates announced from the AfriNIC address blocks: 13585
AfriNIC Region origin ASes present in the Internet Routing Table: 1910
AfriNIC Prefixes per ASN: 25.22
AfriNIC Region origin ASes announcing only one prefix: 695
AfriNIC Region transit ASes present in the Internet Routing Table: 377
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: 1273
Number of AfriNIC addresses announced to Internet: 104953344
Equivalent to 6 /8s, 65 /16s and 118 /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 10329 8753 88 CHINAMOBILE-CN China Mobile Communication
7545 6213 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4234 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN
7552 3912 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3672 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3260 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2839 847 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2170 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2151 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 12937 39641 3972 AMAZON-02, US
11492 4675 310 585 CABLEONE, US
7155 4174 286 83 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3601 3054 221 ASN-CXA-ALL-CCI-22773-RDC, US
174 3597 8766 959 COGENT-174, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3096 1307 2236 AKAMAI-AS, US
396982 2943 3660 456 GOOGLE-CLOUD-PLATFORM, US
30036 2573 357 359 MEDIACOM-ENTERPRISE-BUSINESS, 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 7754 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4011 3395 129 AKAMAI-ASN1, NL
9009 3761 325 1948 M247, RO
12389 3001 2303 890 ROSTELECOM-AS, RU
34984 2367 360 583 TELLCOM-AS, TR
212238 2054 147 1514 CDNEXT, GB
8452 1615 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1489 98 747 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 11870 3243 579 UNINET, MX
10620 3523 486 970 Telmex Colombia S.A., CO
13999 2509 539 368 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 22 Telefonica del Peru S.A.A., PE
11664 1166 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1070 359 174 Axtel, S.A.B. de C.V., MX
22884 1050 70 377 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1703 599 30 RAYA-AS, EG
24863 1629 389 16 LINKdotNET-AS, EG
29571 1566 102 23 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1006 521 42 Vodafone-, EG
20011 980 183 284 INTERNET-SOLUTIONS, ZA
37069 910 1084 18 MOBINIL, EG
6713 561 1861 35 IAM-AS, MA
36914 541 82 3 KENET-AS, 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 12937 39641 3972 AMAZON-02, US
8151 11870 3243 579 UNINET, MX
9808 10329 8753 88 CHINAMOBILE-CN China Mobile Communication
12479 7754 1714 145 UNI2-AS, ES
7545 6213 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4675 310 585 CABLEONE, US
18403 4234 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN
7155 4174 286 83 VIASAT-SP-BACKBONE, US
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 11870 11291 UNINET, MX
9808 10329 10241 CHINAMOBILE-CN China Mobile Communications Grou
12479 7754 7609 UNI2-AS, ES
7545 6213 5557 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4234 4209 FPT-AS-AP FPT Telecom Company, VN
7155 4174 4091 VIASAT-SP-BACKBONE, US
11492 4675 4090 CABLEONE, US
9498 4215 3942 BBIL-AP BHARTI Airtel Ltd., IN
7552 3912 3886 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 /12:303
/13:584 /14:1224 /15:2167 /16:13961 /17:8297 /18:13745
/19:24644 /20:43825 /21:51771 /22:112047 /23:101358 /24:603618
/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 6687 7754 UNI2-AS, ES
8151 6072 11870 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3622 SHAW, CA
7155 3121 4174 VIASAT-SP-BACKBONE, US
22773 2719 3601 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2330 12937 AMAZON-02, US
30036 2231 2573 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2185 3523 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)
----------------------------------------------
1:2325 2:1530 3:600 4:10 5:4577 6:163
7:6 8:1548 9:1 11:172 12:1372 13:347
14:2508 15:351 16:279 17:358 18:915 20:463
21:4 22:188 23:7352 24:3020 25:2 27:2760
29:19 31:3204 32:37 34:79 35:205 36:2400
37:4717 38:8853 39:899 40:154 41:4172 42:1919
43:2557 44:358 45:18455 46:4952 47:288 49:1980
50:1892 51:586 52:1554 54:300 55:1077 56:11
57:251 58:2198 59:1223 60:1169 61:2777 62:2909
63:1834 64:5498 65:2126 66:4621 67:3015 68:1152
69:3968 70:1162 71:622 72:2865 74:2814 75:1660
76:612 77:2703 78:1879 79:1738 80:2195 81:2003
82:2887 83:1415 84:1817 85:3363 86:1045 87:2160
88:1314 89:4325 90:783 91:8326 92:2790 93:2888
94:4020 95:4268 96:1425 97:315 98:1019 99:738
100:71 101:1047 102:3651 103:32180 104:4822 105:749
106:998 107:2617 108:1204 109:3884 110:2225 111:3321
112:2036 113:1784 114:1943 115:2158 116:2038 117:2746
118:2862 119:1951 120:1876 121:1362 122:2746 123:2182
124:1564 125:2853 126:86 128:1582 129:960 130:1280
131:1895 132:781 133:451 134:1526 135:329 136:1278
137:1246 138:2889 139:1623 140:1563 141:1480 142:1821
143:1644 144:1041 145:482 146:2160 147:2100 148:2620
149:2896 150:1245 151:2039 152:2103 153:571 154:7894
155:1616 156:3297 157:1916 158:1270 159:2431 160:3537
161:1951 162:3711 163:1954 164:1690 165:2196 166:1417
167:1886 168:4068 169:797 170:5133 171:1004 172:4466
173:3234 174:919 175:1267 176:3669 177:4751 178:3815
179:2322 180:2582 181:4037 182:3369 183:2047 184:2311
185:21516 186:5121 187:4407 188:4216 189:4175 190:9620
191:1564 192:11184 193:9432 194:7771 195:5554 196:3249
197:3653 198:6108 199:8402 200:8188 201:6275 202:10396
203:10609 204:4527 205:3646 206:4634 207:3480 208:4193
209:5148 210:4565 211:2525 212:4511 213:3754 214:1054
215:48 216:6585 217:3096 218:1327 219:375 220:2074
221:1070 222:720 223:2317
End of report
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