[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Apr 16 21:40:08 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Wed 16 Apr, 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: 978629
Prefixes after maximum aggregation (per Origin AS): 375827
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 477445
Number of IPv4 prefixes with a valid ROA: 540389
Number of IPv4 prefixes with an invalid ROA: 157
Number of IPv4 prefixes with no ROA: 438083
Total ASes present in the Internet Routing Table: 76812
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 65853
Origin ASes announcing only one prefix: 26900
Transit ASes present in the Internet Routing Table: 10959
Transit-only ASes present in the Internet Routing Table: 539
Paths with bogon ASNs present in the IPv4 Routing Table: 308
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: 1175
Number of instances of unregistered ASNs: 1178
Number of 32-bit ASNs allocated by the RIRs: 46209
Number of 32-bit ASNs visible in the Routing Table: 38116
Prefixes from 32-bit ASNs in the Routing Table: 200723
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: 433
Number of addresses announced to Internet: 3106051584
Equivalent to 185 /8s, 34 /16s and 150 /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: 321135
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255907
Total APNIC prefixes after maximum aggregation: 76374
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 247676
Unique aggregates announced from the APNIC address blocks: 102925
APNIC Region origin ASes present in the Internet Routing Table: 14584
APNIC Prefixes per ASN: 16.98
APNIC Region origin ASes announcing only one prefix: 4450
APNIC Region transit ASes present in the Internet Routing Table: 1957
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 36
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10095
Number of APNIC addresses announced to Internet: 747489024
Equivalent to 44 /8s, 141 /16s and 199 /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: 289334
Total ARIN prefixes after maximum aggregation: 129245
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 290346
Unique aggregates announced from the ARIN address blocks: 137678
ARIN Region origin ASes present in the Internet Routing Table: 19249
ARIN Prefixes per ASN: 15.08
ARIN Region origin ASes announcing only one prefix: 7049
ARIN Region transit ASes present in the Internet Routing Table: 1987
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: 5193
Number of ARIN addresses announced to Internet: 1349624064
Equivalent to 80 /8s, 113 /16s and 161 /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: 273675
Total RIPE prefixes after maximum aggregation: 133494
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271668
Unique aggregates announced from the RIPE address blocks: 173829
RIPE Region origin ASes present in the Internet Routing Table: 28884
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12029
RIPE Region transit ASes present in the Internet Routing Table: 3968
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: 12379
Number of RIPE addresses announced to Internet: 731863296
Equivalent to 43 /8s, 159 /16s and 89 /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: 123298
Total LACNIC prefixes after maximum aggregation: 29267
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 119897
Unique aggregates announced from the LACNIC address blocks: 48851
LACNIC Region origin ASes present in the Internet Routing Table: 11222
LACNIC Prefixes per ASN: 10.68
LACNIC Region origin ASes announcing only one prefix: 2676
LACNIC Region transit ASes present in the Internet Routing Table: 2472
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9174
Number of LACNIC addresses announced to Internet: 171647488
Equivalent to 10 /8s, 59 /16s and 34 /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: 35240
Total AfriNIC prefixes after maximum aggregation: 6731
AfriNIC Deaggregation factor: 5.24
Prefixes being announced from the AfriNIC address blocks: 48608
Unique aggregates announced from the AfriNIC address blocks: 13791
AfriNIC Region origin ASes present in the Internet Routing Table: 1912
AfriNIC Prefixes per ASN: 25.42
AfriNIC Region origin ASes announcing only one prefix: 696
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: 61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1275
Number of AfriNIC addresses announced to Internet: 105213184
Equivalent to 6 /8s, 69 /16s and 109 /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 10350 8753 89 CHINAMOBILE-CN China Mobile Communication
7545 6213 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4275 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4221 530 275 BBIL-AP BHARTI Airtel Ltd., IN
7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3670 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3259 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2856 850 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2174 11524 636 KIXS-AS-KR Korea Telecom, KR
45090 2171 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 13187 39693 4098 AMAZON-02, US
11492 4694 311 587 CABLEONE, US
7155 3829 286 85 VIASAT-SP-BACKBONE, US
22773 3628 3054 223 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3621 1320 81 SHAW, CA
174 3533 8762 945 COGENT-174, US
749 3254 54879 2505 DNIC-AS-00749, US
16625 3122 1312 2259 AKAMAI-AS, US
396982 2955 3651 468 GOOGLE-CLOUD-PLATFORM, US
36352 2656 219 813 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 7698 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4038 3395 129 AKAMAI-ASN1, NL
9009 3772 326 1959 M247, RO
12389 3073 2303 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2365 360 583 TELLCOM-AS, TR
212238 2094 148 1540 CDNEXT, GB
8452 1640 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1481 98 745 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 11956 3243 594 UNINET, MX
10620 3522 486 992 Telmex Colombia S.A., CO
13999 2512 539 364 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1190 371 21 Telefonica del Peru S.A.A., PE
11664 1183 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1052 70 379 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 1733 607 31 RAYA-AS, EG
29571 1581 102 22 ORANGE-COTE-IVOIRE, CI
24863 1562 389 16 LINKdotNET-AS, EG
36992 1432 1518 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1027 521 42 Vodafone-, EG
20011 981 185 285 INTERNET-SOLUTIONS, ZA
37069 932 1099 15 MOBINIL, EG
6713 561 1861 35 IAM-AS, MA
36914 551 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 13187 39693 4098 AMAZON-02, US
8151 11956 3243 594 UNINET, MX
9808 10350 8753 89 CHINAMOBILE-CN China Mobile Communication
12479 7698 1714 145 UNI2-AS, ES
7545 6213 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4694 311 587 CABLEONE, US
18403 4275 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4221 530 275 BBIL-AP BHARTI Airtel Ltd., IN
20940 4038 3395 129 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 11956 11362 UNINET, MX
9808 10350 10261 CHINAMOBILE-CN China Mobile Communications Grou
12479 7698 7553 UNI2-AS, ES
7545 6213 5557 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4275 4250 FPT-AS-AP FPT Telecom Company, VN
11492 4694 4107 CABLEONE, US
9498 4221 3946 BBIL-AP BHARTI Airtel Ltd., IN
20940 4038 3909 AKAMAI-ASN1, NL
7552 3923 3897 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 /12:301
/13:584 /14:1225 /15:2163 /16:13925 /17:8286 /18:13743
/19:24595 /20:43698 /21:51786 /22:112062 /23:101551 /24:604543
/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 6619 7698 UNI2-AS, ES
8151 6162 11956 UNINET, MX
11492 3531 4694 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2787 3829 VIASAT-SP-BACKBONE, US
22773 2746 3628 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2354 13187 AMAZON-02, US
30036 2223 2562 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)
----------------------------------------------
1:2336 2:1541 3:615 4:10 5:4637 6:163
7:6 8:1553 9:1 11:172 12:1370 13:352
14:2512 15:352 16:283 17:368 18:922 20:510
21:4 22:188 23:7458 24:2843 25:2 27:2772
29:19 31:3230 32:36 34:80 35:203 36:2396
37:4659 38:8884 39:903 40:160 41:4219 42:1914
43:2564 44:376 45:18486 46:4988 47:289 49:1917
50:1896 51:590 52:1552 54:299 55:1091 56:11
57:255 58:2207 59:1216 60:1171 61:2778 62:2909
63:1829 64:5515 65:2127 66:4644 67:3067 68:1161
69:3981 70:1117 71:622 72:2841 74:2799 75:1604
76:613 77:2741 78:1894 79:1752 80:2198 81:2045
82:3162 83:1429 84:1854 85:3408 86:1043 87:2152
88:1312 89:4300 90:781 91:8324 92:2787 93:2897
94:4060 95:4357 96:1442 97:313 98:1025 99:642
100:72 101:1146 102:3743 103:32220 104:4772 105:752
106:984 107:2637 108:1201 109:4094 110:2227 111:3353
112:2042 113:1795 114:1962 115:2202 116:2034 117:2748
118:2899 119:1955 120:1876 121:1371 122:2752 123:2175
124:1564 125:2857 126:91 128:1585 129:956 130:1270
131:1913 132:787 133:451 134:1528 135:331 136:1249
137:1251 138:2876 139:1612 140:1579 141:1487 142:1907
143:1638 144:1063 145:516 146:2156 147:2109 148:2660
149:2923 150:1240 151:1749 152:2102 153:570 154:8013
155:1615 156:3201 157:1900 158:1286 159:2442 160:3570
161:1907 162:3751 163:2067 164:1696 165:2201 166:1446
167:1885 168:4054 169:791 170:4891 171:1004 172:4483
173:3228 174:912 175:1300 176:3697 177:4652 178:3791
179:2279 180:2589 181:4060 182:3366 183:2050 184:2154
185:21559 186:5070 187:4408 188:4200 189:4175 190:9607
191:1471 192:11232 193:9444 194:7764 195:5539 196:3278
197:3647 198:6089 199:8431 200:8188 201:6277 202:10397
203:10608 204:4519 205:3636 206:4641 207:3480 208:4211
209:5138 210:4577 211:2530 212:4528 213:3772 214:1036
215:48 216:6629 217:3114 218:1334 219:374 220:2075
221:1060 222:716 223:2322
End of report
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