[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Apr 20 21:40:08 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sun 20 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: 979074
Prefixes after maximum aggregation (per Origin AS): 376050
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 478250
Number of IPv4 prefixes with a valid ROA: 540475
Number of IPv4 prefixes with an invalid ROA: 160
Number of IPv4 prefixes with no ROA: 438439
Total ASes present in the Internet Routing Table: 76854
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 65872
Origin ASes announcing only one prefix: 26913
Transit ASes present in the Internet Routing Table: 10982
Transit-only ASes present in the Internet Routing Table: 537
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: 73
Max AS path prepend of ASN (152107) 65
Prefixes from unregistered ASNs in the Routing Table: 1180
Number of instances of unregistered ASNs: 1183
Number of 32-bit ASNs allocated by the RIRs: 46256
Number of 32-bit ASNs visible in the Routing Table: 38147
Prefixes from 32-bit ASNs in the Routing Table: 200945
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: 455
Number of addresses announced to Internet: 3105664256
Equivalent to 185 /8s, 28 /16s and 173 /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: 321010
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255872
Total APNIC prefixes after maximum aggregation: 76428
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 247684
Unique aggregates announced from the APNIC address blocks: 102953
APNIC Region origin ASes present in the Internet Routing Table: 14597
APNIC Prefixes per ASN: 16.97
APNIC Region origin ASes announcing only one prefix: 4445
APNIC Region transit ASes present in the Internet Routing Table: 1968
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 73
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10101
Number of APNIC addresses announced to Internet: 747359488
Equivalent to 44 /8s, 139 /16s and 205 /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: 289474
Total ARIN prefixes after maximum aggregation: 129351
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 290554
Unique aggregates announced from the ARIN address blocks: 137967
ARIN Region origin ASes present in the Internet Routing Table: 19256
ARIN Prefixes per ASN: 15.09
ARIN Region origin ASes announcing only one prefix: 7047
ARIN Region transit ASes present in the Internet Routing Table: 1986
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: 5196
Number of ARIN addresses announced to Internet: 1349360128
Equivalent to 80 /8s, 109 /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: 273715
Total RIPE prefixes after maximum aggregation: 133524
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271599
Unique aggregates announced from the RIPE address blocks: 173769
RIPE Region origin ASes present in the Internet Routing Table: 28893
RIPE Prefixes per ASN: 9.40
RIPE Region origin ASes announcing only one prefix: 12037
RIPE Region transit ASes present in the Internet Routing Table: 3971
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12393
Number of RIPE addresses announced to Internet: 731856384
Equivalent to 43 /8s, 159 /16s and 62 /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: 123480
Total LACNIC prefixes after maximum aggregation: 29280
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120088
Unique aggregates announced from the LACNIC address blocks: 48900
LACNIC Region origin ASes present in the Internet Routing Table: 11232
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2689
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: 9178
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: 35353
Total AfriNIC prefixes after maximum aggregation: 6747
AfriNIC Deaggregation factor: 5.24
Prefixes being announced from the AfriNIC address blocks: 48693
Unique aggregates announced from the AfriNIC address blocks: 14281
AfriNIC Region origin ASes present in the Internet Routing Table: 1915
AfriNIC Prefixes per ASN: 25.43
AfriNIC Region origin ASes announcing only one prefix: 695
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: 1279
Number of AfriNIC addresses announced to Internet: 105092864
Equivalent to 6 /8s, 67 /16s and 151 /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 10347 8753 89 CHINAMOBILE-CN China Mobile Communication
7545 6214 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4261 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4223 530 272 BBIL-AP BHARTI Airtel Ltd., IN
7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3670 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3260 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2856 850 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2176 11524 637 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 13221 39708 4104 AMAZON-02, US
11492 4694 311 587 CABLEONE, US
7155 3829 286 85 VIASAT-SP-BACKBONE, US
22773 3629 3054 223 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3621 1320 81 SHAW, CA
174 3520 8761 931 COGENT-174, US
749 3254 54879 2505 DNIC-AS-00749, US
16625 3116 1307 2254 AKAMAI-AS, US
396982 2957 3650 468 GOOGLE-CLOUD-PLATFORM, US
36352 2709 222 832 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 7702 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4040 3395 129 AKAMAI-ASN1, NL
9009 3773 326 1960 M247, RO
12389 3067 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2363 360 585 TELLCOM-AS, TR
212238 2095 148 1540 CDNEXT, GB
8452 1640 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1444 95 746 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 11957 3243 591 UNINET, MX
10620 3522 486 992 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 1356 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1190 371 22 Telefonica del Peru S.A.A., PE
11664 1183 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1052 70 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1043 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 1647 389 16 LINKdotNET-AS, EG
29571 1588 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 561 1861 35 IAM-AS, MA
36914 533 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 13221 39708 4104 AMAZON-02, US
8151 11957 3243 591 UNINET, MX
9808 10347 8753 89 CHINAMOBILE-CN China Mobile Communication
12479 7702 1714 145 UNI2-AS, ES
7545 6214 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4694 311 587 CABLEONE, US
18403 4261 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4223 530 272 BBIL-AP BHARTI Airtel Ltd., IN
20940 4040 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 11957 11366 UNINET, MX
9808 10347 10258 CHINAMOBILE-CN China Mobile Communications Grou
12479 7702 7557 UNI2-AS, ES
7545 6214 5557 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4261 4236 FPT-AS-AP FPT Telecom Company, VN
11492 4694 4107 CABLEONE, US
9498 4223 3951 BBIL-AP BHARTI Airtel Ltd., IN
20940 4040 3911 AKAMAI-ASN1, NL
7552 3923 3897 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
/13:584 /14:1225 /15:2160 /16:13912 /17:8284 /18:13754
/19:24612 /20:43728 /21:51773 /22:112040 /23:101639 /24:604896
/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 6623 7702 UNI2-AS, ES
8151 6163 11957 UNINET, MX
11492 3531 4694 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2787 3829 VIASAT-SP-BACKBONE, US
22773 2747 3629 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2346 13221 AMAZON-02, US
30036 2233 2575 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2188 3522 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)
----------------------------------------------
1:2329 2:1539 3:618 4:10 5:4637 6:163
7:6 8:1556 9:1 11:172 12:1370 13:354
14:2514 15:352 16:283 17:368 18:923 20:512
21:4 22:188 23:7482 24:2800 25:2 27:2768
29:19 31:3230 32:36 34:80 35:203 36:2397
37:4657 38:8899 39:905 40:166 41:4227 42:1915
43:2568 44:378 45:18549 46:5009 47:290 49:1916
50:1896 51:590 52:1555 54:300 55:1006 56:11
57:256 58:2208 59:1217 60:1171 61:2776 62:2930
63:1828 64:5503 65:2134 66:4644 67:3068 68:1149
69:3929 70:1118 71:624 72:2846 74:2794 75:1601
76:613 77:2742 78:1895 79:1745 80:2197 81:2047
82:3189 83:1433 84:1851 85:3421 86:1050 87:2151
88:1309 89:4296 90:784 91:8332 92:2715 93:2896
94:4072 95:4366 96:1438 97:313 98:1024 99:642
100:72 101:1149 102:3751 103:32218 104:4823 105:756
106:986 107:2639 108:1206 109:4078 110:2229 111:3347
112:2046 113:1793 114:1962 115:2206 116:2034 117:2749
118:2902 119:1956 120:1875 121:1371 122:2752 123:2173
124:1564 125:2858 126:91 128:1590 129:957 130:1284
131:1923 132:788 133:451 134:1534 135:331 136:1306
137:1243 138:2889 139:1617 140:1580 141:1488 142:1904
143:1642 144:1067 145:515 146:2155 147:2113 148:2662
149:2914 150:1242 151:1721 152:2104 153:569 154:8010
155:1618 156:3195 157:1901 158:1286 159:2439 160:3588
161:1911 162:3754 163:2081 164:1696 165:2194 166:1446
167:1882 168:4058 169:795 170:5055 171:1006 172:4492
173:3242 174:912 175:1299 176:3672 177:4645 178:3740
179:2280 180:2597 181:4046 182:3369 183:2042 184:2145
185:21543 186:5073 187:4407 188:4204 189:4171 190:9613
191:1474 192:11256 193:9445 194:7765 195:5533 196:3294
197:3688 198:6106 199:8448 200:8199 201:6283 202:10405
203:10630 204:4524 205:3633 206:4632 207:3480 208:4204
209:5134 210:4576 211:2531 212:4525 213:3765 214:1028
215:48 216:6626 217:3132 218:1335 219:374 220:2075
221:1059 222:716 223:2321
End of report
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