[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Apr 22 21:40:10 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 22 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: 979421
Prefixes after maximum aggregation (per Origin AS): 376131
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 478432
Number of IPv4 prefixes with a valid ROA: 540873
Number of IPv4 prefixes with an invalid ROA: 159
Number of IPv4 prefixes with no ROA: 438389
Total ASes present in the Internet Routing Table: 76854
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 65867
Origin ASes announcing only one prefix: 26911
Transit ASes present in the Internet Routing Table: 10987
Transit-only ASes present in the Internet Routing Table: 541
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: 72
Max AS path prepend of ASN (152107) 65
Prefixes from unregistered ASNs in the Routing Table: 1178
Number of instances of unregistered ASNs: 1181
Number of 32-bit ASNs allocated by the RIRs: 46261
Number of 32-bit ASNs visible in the Routing Table: 38155
Prefixes from 32-bit ASNs in the Routing Table: 201106
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: 452
Number of addresses announced to Internet: 3105307904
Equivalent to 185 /8s, 23 /16s and 61 /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: 321157
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255900
Total APNIC prefixes after maximum aggregation: 76426
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 247690
Unique aggregates announced from the APNIC address blocks: 103003
APNIC Region origin ASes present in the Internet Routing Table: 14604
APNIC Prefixes per ASN: 16.96
APNIC Region origin ASes announcing only one prefix: 4458
APNIC Region transit ASes present in the Internet Routing Table: 1963
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: 10113
Number of APNIC addresses announced to Internet: 747340544
Equivalent to 44 /8s, 139 /16s and 131 /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: 289674
Total ARIN prefixes after maximum aggregation: 129295
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 290883
Unique aggregates announced from the ARIN address blocks: 138053
ARIN Region origin ASes present in the Internet Routing Table: 19252
ARIN Prefixes per ASN: 15.11
ARIN Region origin ASes announcing only one prefix: 7048
ARIN Region transit ASes present in the Internet Routing Table: 1992
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: 5197
Number of ARIN addresses announced to Internet: 1349097984
Equivalent to 80 /8s, 105 /16s and 154 /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: 273875
Total RIPE prefixes after maximum aggregation: 133614
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271716
Unique aggregates announced from the RIPE address blocks: 173768
RIPE Region origin ASes present in the Internet Routing Table: 28887
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12031
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: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12390
Number of RIPE addresses announced to Internet: 731797504
Equivalent to 43 /8s, 158 /16s and 88 /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: 123615
Total LACNIC prefixes after maximum aggregation: 29301
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120184
Unique aggregates announced from the LACNIC address blocks: 48898
LACNIC Region origin ASes present in the Internet Routing Table: 11235
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2687
LACNIC Region transit ASes present in the Internet Routing Table: 2479
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: 9180
Number of LACNIC addresses announced to Internet: 171774464
Equivalent to 10 /8s, 61 /16s and 18 /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: 35179
Total AfriNIC prefixes after maximum aggregation: 6776
AfriNIC Deaggregation factor: 5.19
Prefixes being announced from the AfriNIC address blocks: 48495
Unique aggregates announced from the AfriNIC address blocks: 14333
AfriNIC Region origin ASes present in the Internet Routing Table: 1911
AfriNIC Prefixes per ASN: 25.38
AfriNIC Region origin ASes announcing only one prefix: 687
AfriNIC Region transit ASes present in the Internet Routing Table: 380
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: 105076992
Equivalent to 6 /8s, 67 /16s and 89 /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 90 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4256 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4223 530 272 BBIL-AP BHARTI Airtel Ltd., IN
7552 3912 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3674 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3259 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2857 851 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2179 11524 639 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 13244 39710 4101 AMAZON-02, US
11492 4694 311 587 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
22773 3629 3054 223 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3621 1320 81 SHAW, CA
174 3528 8761 931 COGENT-174, US
749 3254 54879 2505 DNIC-AS-00749, US
16625 3120 1312 2257 AKAMAI-AS, US
396982 2963 3651 472 GOOGLE-CLOUD-PLATFORM, US
36352 2730 224 834 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 7718 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4038 3395 129 AKAMAI-ASN1, NL
9009 3769 325 1960 M247, RO
12389 3067 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2103 149 1544 CDNEXT, GB
8452 1640 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1438 95 742 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 11963 3242 595 UNINET, MX
10620 3517 485 992 Telmex Colombia S.A., CO
13999 2511 539 364 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1357 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1331 784 204 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1189 371 21 Telefonica del Peru S.A.A., PE
11664 1183 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1053 70 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1040 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 1645 389 16 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 981 185 285 INTERNET-SOLUTIONS, ZA
37069 932 1099 15 MOBINIL, EG
6713 562 1861 35 IAM-AS, MA
36914 543 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 13244 39710 4101 AMAZON-02, US
8151 11963 3242 595 UNINET, MX
9808 10350 8753 90 CHINAMOBILE-CN China Mobile Communication
12479 7718 1714 145 UNI2-AS, ES
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4694 311 587 CABLEONE, US
18403 4256 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4223 530 272 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 11963 11368 UNINET, MX
9808 10350 10260 CHINAMOBILE-CN China Mobile Communications Grou
12479 7718 7573 UNI2-AS, ES
7545 6215 5558 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4256 4231 FPT-AS-AP FPT Telecom Company, VN
11492 4694 4107 CABLEONE, US
9498 4223 3951 BBIL-AP BHARTI Airtel Ltd., IN
20940 4038 3909 AKAMAI-ASN1, NL
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
23.140.216.0/24 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 /12:302
/13:583 /14:1230 /15:2160 /16:13908 /17:8226 /18:13750
/19:24612 /20:43720 /21:51740 /22:112024 /23:101624 /24:605375
/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 6639 7718 UNI2-AS, ES
8151 6169 11963 UNINET, MX
11492 3531 4694 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 2362 13244 AMAZON-02, US
30036 2237 2579 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2183 3517 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 2:1540 3:618 4:9 5:4642 6:163
7:6 8:1556 9:1 11:172 12:1370 13:355
14:2516 15:352 16:282 17:367 18:923 20:512
21:4 22:188 23:7496 24:2800 25:2 27:2770
29:19 31:3233 32:36 34:80 35:205 36:2397
37:4671 38:8940 39:905 40:166 41:4219 42:1903
43:2572 44:377 45:18517 46:5024 47:290 49:1930
50:1897 51:590 52:1557 54:298 55:1084 56:11
57:255 58:2206 59:1217 60:1170 61:2773 62:2941
63:1827 64:5512 65:2136 66:4648 67:3065 68:1152
69:3936 70:1116 71:624 72:2844 74:2795 75:1614
76:615 77:2740 78:1896 79:1747 80:2201 81:2051
82:3188 83:1434 84:1850 85:3426 86:1047 87:2150
88:1306 89:4294 90:784 91:8329 92:2717 93:2894
94:4059 95:4358 96:1449 97:313 98:1025 99:665
100:72 101:1146 102:3741 103:32215 104:4818 105:756
106:980 107:2640 108:1202 109:4079 110:2233 111:3344
112:2047 113:1790 114:1961 115:2216 116:2034 117:2747
118:2900 119:1956 120:1875 121:1371 122:2753 123:2174
124:1563 125:2856 126:91 128:1589 129:957 130:1286
131:1918 132:783 133:451 134:1535 135:331 136:1307
137:1257 138:2900 139:1625 140:1576 141:1493 142:1904
143:1642 144:1070 145:515 146:2158 147:2113 148:2658
149:2929 150:1243 151:1725 152:2116 153:570 154:8006
155:1629 156:3206 157:1898 158:1290 159:2442 160:3588
161:1912 162:3753 163:2081 164:1693 165:2193 166:1452
167:1884 168:4046 169:794 170:5055 171:1006 172:4491
173:3246 174:913 175:1297 176:3668 177:4673 178:3738
179:2283 180:2594 181:4053 182:3376 183:2042 184:2142
185:21566 186:5078 187:4410 188:4207 189:4186 190:9628
191:1475 192:11268 193:9464 194:7773 195:5530 196:3292
197:3698 198:6111 199:8465 200:8246 201:6279 202:10403
203:10631 204:4526 205:3629 206:4634 207:3484 208:4214
209:5126 210:4581 211:2535 212:4523 213:3775 214:1027
215:48 216:6626 217:3134 218:1332 219:374 220:2075
221:1059 222:716 223:2322
End of report
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