[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Apr 26 21:40:15 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sat 26 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: 980207
Prefixes after maximum aggregation (per Origin AS): 376641
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479201
Number of IPv4 prefixes with a valid ROA: 541972
Number of IPv4 prefixes with an invalid ROA: 161
Number of IPv4 prefixes with no ROA: 438074
Total ASes present in the Internet Routing Table: 76856
Prefixes per ASN: 12.75
Origin-only ASes present in the Internet Routing Table: 65870
Origin ASes announcing only one prefix: 26929
Transit ASes present in the Internet Routing Table: 10986
Transit-only ASes present in the Internet Routing Table: 539
Paths with bogon ASNs present in the IPv4 Routing Table: 304
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 72
Max AS path prepend of ASN (152107) 65
Prefixes from unregistered ASNs in the Routing Table: 1197
Number of instances of unregistered ASNs: 1200
Number of 32-bit ASNs allocated by the RIRs: 46285
Number of 32-bit ASNs visible in the Routing Table: 38167
Prefixes from 32-bit ASNs in the Routing Table: 201357
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: 468
Number of addresses announced to Internet: 3105266944
Equivalent to 185 /8s, 22 /16s and 157 /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: 321641
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 256244
Total APNIC prefixes after maximum aggregation: 76559
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 247803
Unique aggregates announced from the APNIC address blocks: 103101
APNIC Region origin ASes present in the Internet Routing Table: 14604
APNIC Prefixes per ASN: 16.97
APNIC Region origin ASes announcing only one prefix: 4455
APNIC Region transit ASes present in the Internet Routing Table: 1971
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 72
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10120
Number of APNIC addresses announced to Internet: 747510528
Equivalent to 44 /8s, 142 /16s and 27 /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: 289878
Total ARIN prefixes after maximum aggregation: 129519
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 291109
Unique aggregates announced from the ARIN address blocks: 138567
ARIN Region origin ASes present in the Internet Routing Table: 19249
ARIN Prefixes per ASN: 15.12
ARIN Region origin ASes announcing only one prefix: 7050
ARIN Region transit ASes present in the Internet Routing Table: 1991
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: 5201
Number of ARIN addresses announced to Internet: 1348935936
Equivalent to 80 /8s, 103 /16s and 33 /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: 273876
Total RIPE prefixes after maximum aggregation: 133776
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271674
Unique aggregates announced from the RIPE address blocks: 173925
RIPE Region origin ASes present in the Internet Routing Table: 28903
RIPE Prefixes per ASN: 9.40
RIPE Region origin ASes announcing only one prefix: 12045
RIPE Region transit ASes present in the Internet Routing Table: 3967
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: 12402
Number of RIPE addresses announced to Internet: 731723264
Equivalent to 43 /8s, 157 /16s and 54 /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: 123555
Total LACNIC prefixes after maximum aggregation: 29306
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120116
Unique aggregates announced from the LACNIC address blocks: 48790
LACNIC Region origin ASes present in the Internet Routing Table: 11220
LACNIC Prefixes per ASN: 10.71
LACNIC Region origin ASes announcing only one prefix: 2688
LACNIC Region transit ASes present in the Internet Routing Table: 2467
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 38
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9168
Number of LACNIC addresses announced to Internet: 171747584
Equivalent to 10 /8s, 60 /16s and 169 /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: 35457
Total AfriNIC prefixes after maximum aggregation: 6755
AfriNIC Deaggregation factor: 5.25
Prefixes being announced from the AfriNIC address blocks: 49036
Unique aggregates announced from the AfriNIC address blocks: 14433
AfriNIC Region origin ASes present in the Internet Routing Table: 1913
AfriNIC Prefixes per ASN: 25.63
AfriNIC Region origin ASes announcing only one prefix: 691
AfriNIC Region transit ASes present in the Internet Routing Table: 380
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: 1276
Number of AfriNIC addresses announced to Internet: 105126656
Equivalent to 6 /8s, 68 /16s and 27 /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 10368 8754 93 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4260 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4237 531 278 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3674 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3262 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2858 851 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2180 11524 640 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 13253 39703 4092 AMAZON-02, US
11492 4701 312 586 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
174 3681 8756 924 COGENT-174, US
22773 3629 3054 223 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3621 1320 81 SHAW, CA
749 3255 54879 2506 DNIC-AS-00749, US
16625 3119 1311 2257 AKAMAI-AS, US
396982 2966 3651 474 GOOGLE-CLOUD-PLATFORM, US
36352 2734 225 836 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 7722 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4058 3395 127 AKAMAI-ASN1, NL
9009 3773 325 1963 M247, RO
12389 3069 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2114 150 1550 CDNEXT, GB
8452 1640 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1419 366 33 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
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 11972 3243 595 UNINET, MX
10620 3516 485 994 Telmex Colombia S.A., CO
13999 2508 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 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1192 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1190 371 21 Telefonica del Peru S.A.A., PE
22884 1054 70 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1027 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 1743 607 31 RAYA-AS, EG
24863 1653 389 18 LINKdotNET-AS, EG
29571 1589 102 22 ORANGE-COTE-IVOIRE, CI
36992 1433 1518 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1020 521 42 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
37069 928 1099 15 MOBINIL, EG
36914 550 82 3 KENET-AS, KE
15399 526 57 58 WANANCHI-, 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 13253 39703 4092 AMAZON-02, US
8151 11972 3243 595 UNINET, MX
9808 10368 8754 93 CHINAMOBILE-CN China Mobile Communication
12479 7722 1714 145 UNI2-AS, ES
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4701 312 586 CABLEONE, US
18403 4260 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4237 531 278 BBIL-AP BHARTI Airtel Ltd., IN
20940 4058 3395 127 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 11972 11377 UNINET, MX
9808 10368 10275 CHINAMOBILE-CN China Mobile Communications Grou
12479 7722 7577 UNI2-AS, ES
7545 6215 5558 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4260 4235 FPT-AS-AP FPT Telecom Company, VN
11492 4701 4115 CABLEONE, US
9498 4237 3959 BBIL-AP BHARTI Airtel Ltd., IN
20940 4058 3931 AKAMAI-ASN1, NL
7552 3919 3893 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 /12:300
/13:583 /14:1223 /15:2161 /16:13911 /17:8275 /18:13742
/19:24592 /20:43598 /21:51652 /22:112003 /23:101620 /24:606380
/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 6643 7722 UNI2-AS, ES
8151 6177 11972 UNINET, MX
11492 3531 4701 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2747 3629 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2359 13253 AMAZON-02, US
30036 2240 2582 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2182 3516 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)
----------------------------------------------
1:2334 2:1537 3:624 4:9 5:4652 6:163
7:6 8:1557 9:1 11:172 12:1372 13:350
14:2504 15:352 16:282 17:368 18:920 20:512
21:4 22:188 23:7537 24:2801 25:2 27:2773
29:19 31:3225 32:36 34:80 35:206 36:2399
37:4668 38:9057 39:907 40:166 41:4220 42:1906
43:2581 44:378 45:18524 46:5034 47:292 49:1930
50:1898 51:590 52:1556 54:298 55:1086 56:11
57:255 58:2205 59:1217 60:1171 61:2773 62:2943
63:1827 64:5491 65:2136 66:4652 67:3062 68:1148
69:3936 70:1116 71:624 72:2846 74:2795 75:1619
76:614 77:2737 78:1897 79:1749 80:2198 81:2050
82:3190 83:1427 84:1849 85:3414 86:1047 87:2155
88:1313 89:4319 90:784 91:8333 92:2720 93:2897
94:4069 95:4360 96:1451 97:312 98:1024 99:669
100:72 101:1147 102:3906 103:32249 104:4819 105:755
106:1043 107:2644 108:1214 109:4079 110:2231 111:3342
112:2047 113:1791 114:1962 115:2206 116:2037 117:2747
118:2901 119:1956 120:1880 121:1376 122:2753 123:2179
124:1566 125:2858 126:91 128:1593 129:956 130:1306
131:1909 132:754 133:450 134:1538 135:331 136:1308
137:1255 138:2895 139:1622 140:1573 141:1495 142:1905
143:1653 144:1062 145:516 146:2155 147:2101 148:2668
149:2888 150:1248 151:1755 152:2101 153:571 154:8177
155:1636 156:3263 157:1896 158:1289 159:2439 160:3585
161:1918 162:3752 163:2086 164:1676 165:2195 166:1449
167:1872 168:4057 169:795 170:5061 171:1010 172:4499
173:3254 174:915 175:1302 176:3666 177:4672 178:3707
179:2538 180:2604 181:4052 182:3393 183:2045 184:2142
185:21573 186:5089 187:4415 188:4211 189:4198 190:9617
191:1477 192:11279 193:9460 194:7772 195:5501 196:3307
197:3681 198:6124 199:8471 200:8197 201:6277 202:10381
203:10633 204:4525 205:3633 206:4635 207:3475 208:4234
209:5141 210:4584 211:2535 212:4528 213:3778 214:1030
215:48 216:6628 217:3143 218:1333 219:374 220:2076
221:1059 222:725 223:2348
End of report
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