[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Mar 17 21:40:00 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Mon 17 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: 976892
Prefixes after maximum aggregation (per Origin AS): 373901
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 475523
Number of IPv4 prefixes with a valid ROA: 537014
Number of IPv4 prefixes with an invalid ROA: 181
Number of IPv4 prefixes with no ROA: 439697
Total ASes present in the Internet Routing Table: 76703
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 65762
Origin ASes announcing only one prefix: 26880
Transit ASes present in the Internet Routing Table: 10941
Transit-only ASes present in the Internet Routing Table: 548
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: 1142
Number of instances of unregistered ASNs: 1147
Number of 32-bit ASNs allocated by the RIRs: 46137
Number of 32-bit ASNs visible in the Routing Table: 37950
Prefixes from 32-bit ASNs in the Routing Table: 199714
Number of bogon 32-bit ASNs visible in the Routing Table: 32
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 502
Number of addresses announced to Internet: 3110055424
Equivalent to 185 /8s, 95 /16s and 174 /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: 320441
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255370
Total APNIC prefixes after maximum aggregation: 76037
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 247252
Unique aggregates announced from the APNIC address blocks: 102595
APNIC Region origin ASes present in the Internet Routing Table: 14526
APNIC Prefixes per ASN: 17.02
APNIC Region origin ASes announcing only one prefix: 4434
APNIC Region transit ASes present in the Internet Routing Table: 1952
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 45
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10036
Number of APNIC addresses announced to Internet: 748265216
Equivalent to 44 /8s, 153 /16s and 159 /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: 288967
Total ARIN prefixes after maximum aggregation: 128417
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 289727
Unique aggregates announced from the ARIN address blocks: 136590
ARIN Region origin ASes present in the Internet Routing Table: 19224
ARIN Prefixes per ASN: 15.07
ARIN Region origin ASes announcing only one prefix: 7032
ARIN Region transit ASes present in the Internet Routing Table: 1985
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: 5168
Number of ARIN addresses announced to Internet: 1352608768
Equivalent to 80 /8s, 159 /16s and 44 /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: 272770
Total RIPE prefixes after maximum aggregation: 132732
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 270879
Unique aggregates announced from the RIPE address blocks: 173347
RIPE Region origin ASes present in the Internet Routing Table: 28855
RIPE Prefixes per ASN: 9.39
RIPE Region origin ASes announcing only one prefix: 12050
RIPE Region transit ASes present in the Internet Routing Table: 3976
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: 12312
Number of RIPE addresses announced to Internet: 732309760
Equivalent to 43 /8s, 166 /16s and 41 /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: 123552
Total LACNIC prefixes after maximum aggregation: 29228
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 120305
Unique aggregates announced from the LACNIC address blocks: 48844
LACNIC Region origin ASes present in the Internet Routing Table: 11206
LACNIC Prefixes per ASN: 10.74
LACNIC Region origin ASes announcing only one prefix: 2667
LACNIC Region transit ASes present in the Internet Routing Table: 2468
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: 9160
Number of LACNIC addresses announced to Internet: 171541248
Equivalent to 10 /8s, 57 /16s and 131 /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: 35091
Total AfriNIC prefixes after maximum aggregation: 6764
AfriNIC Deaggregation factor: 5.19
Prefixes being announced from the AfriNIC address blocks: 48226
Unique aggregates announced from the AfriNIC address blocks: 13727
AfriNIC Region origin ASes present in the Internet Routing Table: 1913
AfriNIC Prefixes per ASN: 25.21
AfriNIC Region origin ASes announcing only one prefix: 697
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: 1274
Number of AfriNIC addresses announced to Internet: 105083904
Equivalent to 6 /8s, 67 /16s and 116 /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 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4377 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4213 530 272 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 3266 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 2150 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 12896 39642 3965 AMAZON-02, US
11492 4675 310 585 CABLEONE, US
7155 4174 286 83 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
22773 3601 3054 221 ASN-CXA-ALL-CCI-22773-RDC, US
174 3596 8766 950 COGENT-174, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3065 1297 2215 AKAMAI-AS, US
396982 2942 3660 455 GOOGLE-CLOUD-PLATFORM, US
30036 2564 356 397 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 7755 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4012 3395 129 AKAMAI-ASN1, NL
9009 3758 322 1940 M247, RO
12389 3000 2303 890 ROSTELECOM-AS, RU
34984 2369 361 582 TELLCOM-AS, TR
212238 2039 146 1504 CDNEXT, GB
8452 1608 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1485 98 744 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 11813 3239 582 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 1149 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1067 359 174 Axtel, S.A.B. de C.V., MX
22884 1049 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 1683 599 30 RAYA-AS, EG
24863 1619 389 16 LINKdotNET-AS, EG
29571 1575 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 855 1083 15 MOBINIL, EG
6713 561 1861 35 IAM-AS, MA
36914 549 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 12896 39642 3965 AMAZON-02, US
8151 11813 3239 582 UNINET, MX
9808 10329 8753 88 CHINAMOBILE-CN China Mobile Communication
12479 7755 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 4377 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4213 530 272 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 11813 11231 UNINET, MX
9808 10329 10241 CHINAMOBILE-CN China Mobile Communications Grou
12479 7755 7610 UNI2-AS, ES
7545 6213 5554 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4377 4352 FPT-AS-AP FPT Telecom Company, VN
7155 4174 4091 VIASAT-SP-BACKBONE, US
11492 4675 4090 CABLEONE, US
9498 4213 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
23.138.40.0/22 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
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, 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 /14:1224 /15:2168 /16:13964 /17:8295 /18:13743
/19:24600 /20:43775 /21:51719 /22:111865 /23:101169 /24:603313
/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 6693 7755 UNI2-AS, ES
8151 6019 11813 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 3121 4174 VIASAT-SP-BACKBONE, US
22773 2719 3601 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2330 12896 AMAZON-02, US
30036 2223 2564 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 2:1532 3:594 4:10 5:4571 6:162
7:6 8:1548 9:1 11:172 12:1375 13:342
14:2510 15:350 16:279 17:361 18:920 20:462
21:4 22:188 23:7354 24:3022 25:2 27:2740
29:19 31:3194 32:37 34:79 35:203 36:2402
37:4616 38:8872 39:899 40:154 41:4256 42:1957
43:2541 44:354 45:18406 46:5030 47:288 49:1982
50:1885 51:590 52:1554 54:301 55:1065 56:9
57:247 58:2182 59:1214 60:1165 61:2780 62:2896
63:1830 64:5501 65:2108 66:4634 67:3011 68:1149
69:3950 70:1163 71:622 72:2870 74:2784 75:1656
76:612 77:2696 78:1876 79:1729 80:2193 81:2021
82:2795 83:1392 84:1815 85:3368 86:1033 87:2164
88:1316 89:4332 90:782 91:8319 92:2791 93:2887
94:3907 95:4273 96:1414 97:317 98:1014 99:738
100:71 101:1138 102:3672 103:32178 104:4831 105:749
106:999 107:2619 108:1204 109:4115 110:2227 111:3316
112:2036 113:1790 114:1935 115:2158 116:2040 117:2759
118:2881 119:1946 120:1878 121:1361 122:2734 123:2175
124:1558 125:2870 126:88 128:1582 129:961 130:1277
131:1874 132:780 133:450 134:1532 135:328 136:1261
137:1243 138:2886 139:1620 140:1541 141:1477 142:1802
143:1641 144:1048 145:482 146:2159 147:2092 148:2593
149:2888 150:1243 151:2120 152:2103 153:571 154:7896
155:1642 156:3290 157:1912 158:1271 159:2429 160:3554
161:1945 162:3687 163:1924 164:1686 165:2194 166:1402
167:1880 168:4066 169:797 170:5124 171:1003 172:4451
173:3219 174:919 175:1261 176:3687 177:4701 178:3804
179:2303 180:2585 181:4032 182:3370 183:2067 184:2310
185:21511 186:5155 187:4371 188:4209 189:4187 190:9651
191:1515 192:11175 193:9422 194:7767 195:5548 196:3286
197:3645 198:6109 199:8385 200:8181 201:6297 202:10405
203:10598 204:4507 205:3610 206:4597 207:3480 208:4187
209:5148 210:4567 211:2530 212:4514 213:3734 214:1056
215:42 216:6578 217:3099 218:1327 219:371 220:2096
221:1055 222:719 223:2317
End of report
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