[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Mar 18 21:40:04 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 18 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: 976982
Prefixes after maximum aggregation (per Origin AS): 373855
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 475344
Number of IPv4 prefixes with a valid ROA: 537060
Number of IPv4 prefixes with an invalid ROA: 176
Number of IPv4 prefixes with no ROA: 439746
Total ASes present in the Internet Routing Table: 76701
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 65771
Origin ASes announcing only one prefix: 26872
Transit ASes present in the Internet Routing Table: 10930
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: 1143
Number of instances of unregistered ASNs: 1148
Number of 32-bit ASNs allocated by the RIRs: 46144
Number of 32-bit ASNs visible in the Routing Table: 37952
Prefixes from 32-bit ASNs in the Routing Table: 199866
Number of bogon 32-bit ASNs visible in the Routing Table: 38
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 499
Number of addresses announced to Internet: 3110203648
Equivalent to 185 /8s, 97 /16s and 241 /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: 320314
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255430
Total APNIC prefixes after maximum aggregation: 76033
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 247241
Unique aggregates announced from the APNIC address blocks: 102534
APNIC Region origin ASes present in the Internet Routing Table: 14528
APNIC Prefixes per ASN: 17.02
APNIC Region origin ASes announcing only one prefix: 4433
APNIC Region transit ASes present in the Internet Routing Table: 1945
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: 10038
Number of APNIC addresses announced to Internet: 748296192
Equivalent to 44 /8s, 154 /16s and 24 /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: 288980
Total ARIN prefixes after maximum aggregation: 128367
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 289788
Unique aggregates announced from the ARIN address blocks: 136633
ARIN Region origin ASes present in the Internet Routing Table: 19221
ARIN Prefixes per ASN: 15.08
ARIN Region origin ASes announcing only one prefix: 7034
ARIN Region transit ASes present in the Internet Routing Table: 1984
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: 5163
Number of ARIN addresses announced to Internet: 1352643072
Equivalent to 80 /8s, 159 /16s and 178 /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: 272716
Total RIPE prefixes after maximum aggregation: 132722
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 270896
Unique aggregates announced from the RIPE address blocks: 173410
RIPE Region origin ASes present in the Internet Routing Table: 28857
RIPE Prefixes per ASN: 9.39
RIPE Region origin ASes announcing only one prefix: 12048
RIPE Region transit ASes present in the Internet Routing Table: 3972
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: 12316
Number of RIPE addresses announced to Internet: 732309504
Equivalent to 43 /8s, 166 /16s and 40 /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: 123696
Total LACNIC prefixes after maximum aggregation: 29239
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 120394
Unique aggregates announced from the LACNIC address blocks: 48844
LACNIC Region origin ASes present in the Internet Routing Table: 11208
LACNIC Prefixes per ASN: 10.74
LACNIC Region origin ASes announcing only one prefix: 2660
LACNIC Region transit ASes present in the Internet Routing Table: 2469
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: 9161
Number of LACNIC addresses announced to Internet: 171523840
Equivalent to 10 /8s, 57 /16s and 63 /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: 35017
Total AfriNIC prefixes after maximum aggregation: 6771
AfriNIC Deaggregation factor: 5.17
Prefixes being announced from the AfriNIC address blocks: 48163
Unique aggregates announced from the AfriNIC address blocks: 13504
AfriNIC Region origin ASes present in the Internet Routing Table: 1913
AfriNIC Prefixes per ASN: 25.18
AfriNIC Region origin ASes announcing only one prefix: 697
AfriNIC Region transit ASes present in the Internet Routing Table: 378
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: 1274
Number of AfriNIC addresses announced to Internet: 105185024
Equivalent to 6 /8s, 68 /16s and 255 /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 10323 8753 88 CHINAMOBILE-CN China Mobile Communication
7545 6213 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4371 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4214 530 273 BBIL-AP BHARTI Airtel Ltd., IN
7552 3912 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3673 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3267 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2837 847 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2171 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2149 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 12938 39643 3959 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 3591 8764 945 COGENT-174, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3073 1301 2221 AKAMAI-AS, US
396982 2943 3660 456 GOOGLE-CLOUD-PLATFORM, US
30036 2570 356 385 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 7759 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4005 3395 129 AKAMAI-ASN1, NL
9009 3751 321 1937 M247, RO
12389 3001 2303 890 ROSTELECOM-AS, RU
34984 2370 361 582 TELLCOM-AS, TR
212238 2049 146 1509 CDNEXT, GB
8452 1608 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 11806 3236 580 UNINET, MX
10620 3523 486 970 Telmex Colombia S.A., CO
13999 2507 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 1193 371 22 Telefonica del Peru S.A.A., PE
11664 1162 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1070 359 174 Axtel, S.A.B. de C.V., MX
22884 1048 69 376 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 1683 599 30 RAYA-AS, EG
24863 1619 389 16 LINKdotNET-AS, EG
29571 1580 104 44 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 859 1083 15 MOBINIL, EG
6713 561 1861 35 IAM-AS, MA
36914 547 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 12938 39643 3959 AMAZON-02, US
8151 11806 3236 580 UNINET, MX
9808 10323 8753 88 CHINAMOBILE-CN China Mobile Communication
12479 7759 1714 145 UNI2-AS, ES
7545 6213 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4675 310 585 CABLEONE, US
18403 4371 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4214 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 11806 11226 UNINET, MX
9808 10323 10235 CHINAMOBILE-CN China Mobile Communications Grou
12479 7759 7614 UNI2-AS, ES
7545 6213 5554 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4371 4346 FPT-AS-AP FPT Telecom Company, VN
7155 4174 4091 VIASAT-SP-BACKBONE, US
11492 4675 4090 CABLEONE, US
9498 4214 3941 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
23.136.28.0/24 Origin: 1015 SERVERSTARTERHOST, US
23.136.28.0/24 Transit: 30456 COSMIC-GLOBAL, US
23.138.40.0/22 Origin: 964 IONSWITCH-NW, US
23.138.40.0/22 Transit: 20055 AS-WHOLESAIL, US
23.138.41.0/24 Origin: 964 IONSWITCH-NW, US
23.138.41.0/24 Transit: 20055 AS-WHOLESAIL, US
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, 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 /10:42 /11:92 /12:304
/13:586 /14:1225 /15:2168 /16:13966 /17:8301 /18:13744
/19:24615 /20:43789 /21:51736 /22:111925 /23:101172 /24:603284
/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 6696 7759 UNI2-AS, ES
8151 6021 11806 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 2339 12938 AMAZON-02, US
30036 2228 2570 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)
----------------------------------------------
1:2337 2:1527 3:595 4:10 5:4571 6:162
7:6 8:1549 9:1 11:172 12:1375 13:344
14:2512 15:350 16:279 17:362 18:921 20:462
21:4 22:188 23:7350 24:3021 25:2 27:2742
29:19 31:3186 32:37 34:79 35:203 36:2400
37:4600 38:8869 39:899 40:154 41:4216 42:1964
43:2540 44:354 45:18409 46:5028 47:288 49:1983
50:1886 51:590 52:1556 54:302 55:1078 56:9
57:255 58:2200 59:1214 60:1165 61:2781 62:2903
63:1831 64:5494 65:2112 66:4627 67:3010 68:1152
69:3950 70:1163 71:622 72:2864 74:2784 75:1641
76:612 77:2699 78:1877 79:1731 80:2192 81:2024
82:2828 83:1388 84:1813 85:3370 86:1034 87:2162
88:1314 89:4322 90:782 91:8314 92:2796 93:2862
94:3911 95:4268 96:1421 97:315 98:1014 99:738
100:71 101:1049 102:3669 103:32194 104:4828 105:748
106:998 107:2618 108:1205 109:4115 110:2226 111:3319
112:2037 113:1792 114:1937 115:2158 116:2045 117:2756
118:2877 119:1955 120:1877 121:1361 122:2735 123:2183
124:1558 125:2871 126:88 128:1583 129:957 130:1279
131:1878 132:786 133:451 134:1530 135:328 136:1262
137:1244 138:2898 139:1620 140:1554 141:1480 142:1807
143:1646 144:1047 145:482 146:2158 147:2093 148:2602
149:2895 150:1246 151:2123 152:2108 153:571 154:7888
155:1615 156:3302 157:1912 158:1272 159:2428 160:3561
161:1953 162:3684 163:1929 164:1695 165:2185 166:1405
167:1879 168:4082 169:796 170:5116 171:1003 172:4471
173:3207 174:919 175:1260 176:3687 177:4693 178:3811
179:2310 180:2585 181:4040 182:3366 183:2064 184:2309
185:21506 186:5127 187:4392 188:4210 189:4212 190:9630
191:1513 192:11175 193:9427 194:7770 195:5550 196:3256
197:3657 198:6110 199:8376 200:8171 201:6289 202:10412
203:10595 204:4512 205:3621 206:4601 207:3481 208:4189
209:5140 210:4565 211:2526 212:4508 213:3733 214:1056
215:42 216:6580 217:3096 218:1327 219:371 220:2092
221:1057 222:720 223:2318
End of report
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