[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Mar 3 21:40:17 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Mon 03 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: 975549
Prefixes after maximum aggregation (per Origin AS): 373092
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 475421
Number of IPv4 prefixes with a valid ROA: 534904
Number of IPv4 prefixes with an invalid ROA: 189
Number of IPv4 prefixes with no ROA: 440456
Total ASes present in the Internet Routing Table: 76640
Prefixes per ASN: 12.73
Origin-only ASes present in the Internet Routing Table: 65690
Origin ASes announcing only one prefix: 26895
Transit ASes present in the Internet Routing Table: 10950
Transit-only ASes present in the Internet Routing Table: 538
Paths with bogon ASNs present in the IPv4 Routing Table: 302
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: 1112
Number of instances of unregistered ASNs: 1114
Number of 32-bit ASNs allocated by the RIRs: 46224
Number of 32-bit ASNs visible in the Routing Table: 37867
Prefixes from 32-bit ASNs in the Routing Table: 199015
Number of bogon 32-bit ASNs visible in the Routing Table: 26
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 475
Number of addresses announced to Internet: 3108398592
Equivalent to 185 /8s, 70 /16s and 102 /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: 319729
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255159
Total APNIC prefixes after maximum aggregation: 75863
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 247084
Unique aggregates announced from the APNIC address blocks: 102512
APNIC Region origin ASes present in the Internet Routing Table: 14491
APNIC Prefixes per ASN: 17.05
APNIC Region origin ASes announcing only one prefix: 4432
APNIC Region transit ASes present in the Internet Routing Table: 1946
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: 9997
Number of APNIC addresses announced to Internet: 748652032
Equivalent to 44 /8s, 159 /16s and 134 /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: 288063
Total ARIN prefixes after maximum aggregation: 128158
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 289198
Unique aggregates announced from the ARIN address blocks: 136023
ARIN Region origin ASes present in the Internet Routing Table: 19230
ARIN Prefixes per ASN: 15.04
ARIN Region origin ASes announcing only one prefix: 7035
ARIN Region transit ASes present in the Internet Routing Table: 1994
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: 5167
Number of ARIN addresses announced to Internet: 1348329984
Equivalent to 80 /8s, 93 /16s and 226 /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: 272660
Total RIPE prefixes after maximum aggregation: 132362
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 270238
Unique aggregates announced from the RIPE address blocks: 172402
RIPE Region origin ASes present in the Internet Routing Table: 28838
RIPE Prefixes per ASN: 9.37
RIPE Region origin ASes announcing only one prefix: 12058
RIPE Region transit ASes present in the Internet Routing Table: 3978
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: 12281
Number of RIPE addresses announced to Internet: 732803328
Equivalent to 43 /8s, 173 /16s and 177 /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: 123466
Total LACNIC prefixes after maximum aggregation: 29179
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 120401
Unique aggregates announced from the LACNIC address blocks: 48863
LACNIC Region origin ASes present in the Internet Routing Table: 11213
LACNIC Prefixes per ASN: 10.74
LACNIC Region origin ASes announcing only one prefix: 2675
LACNIC Region transit ASes present in the Internet Routing Table: 2480
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: 9154
Number of LACNIC addresses announced to Internet: 173694464
Equivalent to 10 /8s, 90 /16s and 94 /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: 35089
Total AfriNIC prefixes after maximum aggregation: 6821
AfriNIC Deaggregation factor: 5.14
Prefixes being announced from the AfriNIC address blocks: 48152
Unique aggregates announced from the AfriNIC address blocks: 15212
AfriNIC Region origin ASes present in the Internet Routing Table: 1909
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: 372
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: 1268
Number of AfriNIC addresses announced to Internet: 104673280
Equivalent to 6 /8s, 61 /16s and 48 /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 10326 8753 88 CHINAMOBILE-CN China Mobile Communication
7545 6216 843 660 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4369 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN
7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3672 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3261 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2841 855 530 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2171 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2150 434 192 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 12800 39184 3777 AMAZON-02, US
11492 4705 312 566 CABLEONE, US
7155 4175 286 83 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
22773 3593 3054 222 ASN-CXA-ALL-CCI-22773-RDC, US
174 3368 8766 951 COGENT-174, US
749 3260 54879 2507 DNIC-AS-00749, US
16625 3086 1315 2229 AKAMAI-AS, US
396982 2935 3660 453 GOOGLE-CLOUD-PLATFORM, US
30036 2568 357 384 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 7765 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4026 3395 130 AKAMAI-ASN1, NL
9009 3756 321 1924 M247, RO
12389 2984 2303 894 ROSTELECOM-AS, RU
34984 2367 361 580 TELLCOM-AS, TR
212238 2007 145 1483 CDNEXT, GB
8452 1618 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1486 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 11763 3211 596 UNINET, MX
10620 3547 492 953 Telmex Colombia S.A., CO
13999 2513 539 370 Mega Cable, S.A. de C.V., MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
28573 1350 2436 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1330 781 212 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1172 371 22 Telefonica del Peru S.A.A., PE
11664 1167 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1128 374 163 Axtel, S.A.B. de C.V., MX
22884 1046 82 370 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 1618 389 16 LINKdotNET-AS, EG
29571 1572 99 103 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1022 523 45 Vodafone-, EG
20011 980 183 284 INTERNET-SOLUTIONS, ZA
37069 863 1083 15 MOBINIL, EG
6713 557 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 12800 39184 3777 AMAZON-02, US
8151 11763 3211 596 UNINET, MX
9808 10326 8753 88 CHINAMOBILE-CN China Mobile Communication
12479 7765 1714 145 UNI2-AS, ES
7545 6216 843 660 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4705 312 566 CABLEONE, US
18403 4369 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN
7155 4175 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 11763 11167 UNINET, MX
9808 10326 10238 CHINAMOBILE-CN China Mobile Communications Grou
12479 7765 7620 UNI2-AS, ES
7545 6216 5556 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4369 4344 FPT-AS-AP FPT Telecom Company, VN
11492 4705 4139 CABLEONE, US
7155 4175 4092 VIASAT-SP-BACKBONE, US
9498 4215 3942 BBIL-AP BHARTI Airtel Ltd., IN
20940 4026 3896 AKAMAI-ASN1, NL
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
23.140.16.0/24 Origin: 63371 RESERVED, ZZ
23.140.16.0/24 Transit: 3356 LEVEL3, US
23.140.48.0/24 Origin: 63371 RESERVED, ZZ
23.140.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /14:1225 /15:2167 /16:13946 /17:8283 /18:13713
/19:24585 /20:43868 /21:51864 /22:112208 /23:101052 /24:601581
/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 6719 7765 UNI2-AS, ES
8151 5976 11763 UNINET, MX
11492 3555 4705 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 3121 4175 VIASAT-SP-BACKBONE, US
22773 2710 3593 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2278 12800 AMAZON-02, US
30036 2226 2568 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2187 3547 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)
----------------------------------------------
1:2306 2:1531 3:576 4:10 5:4558 6:167
7:6 8:1548 9:1 11:172 12:1377 13:350
14:2509 15:350 16:277 17:357 18:921 20:455
21:4 22:188 23:7341 24:2726 25:2 27:2746
29:19 31:3185 32:35 34:78 35:202 36:2406
37:4577 38:8702 39:897 40:153 41:4207 42:1966
43:2531 44:351 45:18345 46:5018 47:291 49:1974
50:1885 51:589 52:1567 54:301 55:1118 56:9
57:243 58:2213 59:1199 60:1167 61:2780 62:2914
63:1829 64:5507 65:2119 66:4640 67:3040 68:1154
69:3966 70:1156 71:616 72:2878 74:2784 75:1650
76:611 77:2672 78:1872 79:1718 80:2197 81:2016
82:2718 83:1391 84:1802 85:3358 86:1031 87:2168
88:1317 89:4309 90:778 91:8314 92:2800 93:2885
94:3910 95:4274 96:1388 97:318 98:998 99:740
100:71 101:1138 102:3653 103:32200 104:4802 105:759
106:995 107:2615 108:1211 109:4098 110:2222 111:3299
112:2038 113:1799 114:1937 115:2163 116:2035 117:2762
118:2879 119:1957 120:1878 121:1360 122:2759 123:2182
124:1564 125:2868 126:88 128:1586 129:955 130:1280
131:1859 132:794 133:450 134:1509 135:327 136:1306
137:1249 138:2897 139:1632 140:1549 141:1466 142:1823
143:1629 144:1047 145:469 146:2145 147:2073 148:2593
149:2876 150:1235 151:1721 152:2113 153:571 154:7854
155:1602 156:3291 157:1902 158:1266 159:2437 160:3554
161:1932 162:3689 163:1865 164:1694 165:2182 166:1368
167:1879 168:4052 169:800 170:5075 171:1005 172:4439
173:3225 174:922 175:1268 176:3640 177:4707 178:3775
179:2233 180:2578 181:4026 182:3374 183:2066 184:2314
185:21485 186:5085 187:4298 188:4203 189:4196 190:9642
191:1531 192:11183 193:9393 194:7734 195:5522 196:3298
197:3618 198:6116 199:8370 200:8154 201:6292 202:10372
203:10604 204:4537 205:3634 206:4628 207:3502 208:4196
209:5166 210:4560 211:2523 212:4504 213:3754 214:1067
215:42 216:6554 217:3105 218:1336 219:370 220:2089
221:1056 222:718 223:2320
End of report
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