[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Apr 17 21:40:11 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 17 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: 978960
Prefixes after maximum aggregation (per Origin AS): 375923
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 478192
Number of IPv4 prefixes with a valid ROA: 540450
Number of IPv4 prefixes with an invalid ROA: 158
Number of IPv4 prefixes with no ROA: 438352
Total ASes present in the Internet Routing Table: 76823
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 65847
Origin ASes announcing only one prefix: 26884
Transit ASes present in the Internet Routing Table: 10976
Transit-only ASes present in the Internet Routing Table: 538
Paths with bogon ASNs present in the IPv4 Routing Table: 310
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: 1179
Number of instances of unregistered ASNs: 1182
Number of 32-bit ASNs allocated by the RIRs: 46228
Number of 32-bit ASNs visible in the Routing Table: 38129
Prefixes from 32-bit ASNs in the Routing Table: 200982
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: 439
Number of addresses announced to Internet: 3105818112
Equivalent to 185 /8s, 31 /16s and 6 /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: 321027
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255945
Total APNIC prefixes after maximum aggregation: 76406
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 247707
Unique aggregates announced from the APNIC address blocks: 102949
APNIC Region origin ASes present in the Internet Routing Table: 14587
APNIC Prefixes per ASN: 16.98
APNIC Region origin ASes announcing only one prefix: 4438
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: 73
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10097
Number of APNIC addresses announced to Internet: 747450112
Equivalent to 44 /8s, 141 /16s and 47 /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: 289196
Total ARIN prefixes after maximum aggregation: 129247
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 290280
Unique aggregates announced from the ARIN address blocks: 137857
ARIN Region origin ASes present in the Internet Routing Table: 19249
ARIN Prefixes per ASN: 15.08
ARIN Region origin ASes announcing only one prefix: 7046
ARIN Region transit ASes present in the Internet Routing Table: 1984
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: 5193
Number of ARIN addresses announced to Internet: 1349404160
Equivalent to 80 /8s, 110 /16s and 70 /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: 273714
Total RIPE prefixes after maximum aggregation: 133497
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271649
Unique aggregates announced from the RIPE address blocks: 173834
RIPE Region origin ASes present in the Internet Routing Table: 28876
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12026
RIPE Region transit ASes present in the Internet Routing Table: 3973
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: 12382
Number of RIPE addresses announced to Internet: 731885312
Equivalent to 43 /8s, 159 /16s and 175 /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: 123549
Total LACNIC prefixes after maximum aggregation: 29290
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120139
Unique aggregates announced from the LACNIC address blocks: 48892
LACNIC Region origin ASes present in the Internet Routing Table: 11232
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2678
LACNIC Region transit ASes present in the Internet Routing Table: 2477
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: 9177
Number of LACNIC addresses announced to Internet: 171764736
Equivalent to 10 /8s, 60 /16s and 236 /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: 35377
Total AfriNIC prefixes after maximum aggregation: 6764
AfriNIC Deaggregation factor: 5.23
Prefixes being announced from the AfriNIC address blocks: 48745
Unique aggregates announced from the AfriNIC address blocks: 14283
AfriNIC Region origin ASes present in the Internet Routing Table: 1916
AfriNIC Prefixes per ASN: 25.44
AfriNIC Region origin ASes announcing only one prefix: 696
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: 1280
Number of AfriNIC addresses announced to Internet: 105097728
Equivalent to 6 /8s, 67 /16s and 170 /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 10349 8753 89 CHINAMOBILE-CN China Mobile Communication
7545 6214 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4268 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4221 530 275 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 3259 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 13182 39692 4113 AMAZON-02, US
11492 4694 311 587 CABLEONE, US
7155 3829 286 85 VIASAT-SP-BACKBONE, US
22773 3628 3054 223 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3621 1320 81 SHAW, CA
174 3531 8762 940 COGENT-174, US
749 3254 54879 2505 DNIC-AS-00749, US
16625 3123 1312 2260 AKAMAI-AS, US
396982 2956 3650 467 GOOGLE-CLOUD-PLATFORM, US
36352 2666 219 819 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 7704 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 3068 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2363 360 585 TELLCOM-AS, TR
212238 2096 148 1541 CDNEXT, GB
8452 1641 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1480 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 11956 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 1189 371 21 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 1733 607 31 RAYA-AS, EG
24863 1647 389 16 LINKdotNET-AS, EG
29571 1583 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 560 1861 35 IAM-AS, MA
36914 553 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 13182 39692 4113 AMAZON-02, US
8151 11956 3243 591 UNINET, MX
9808 10349 8753 89 CHINAMOBILE-CN China Mobile Communication
12479 7704 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 4268 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4221 530 275 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 11956 11365 UNINET, MX
9808 10349 10260 CHINAMOBILE-CN China Mobile Communications Grou
12479 7704 7559 UNI2-AS, ES
7545 6214 5557 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4268 4243 FPT-AS-AP FPT Telecom Company, VN
11492 4694 4107 CABLEONE, US
9498 4221 3946 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 /16:13916 /17:8286 /18:13753
/19:24610 /20:43741 /21:51772 /22:112047 /23:101593 /24:604806
/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 6625 7704 UNI2-AS, ES
8151 6162 11956 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 2746 3628 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2346 13182 AMAZON-02, US
30036 2231 2573 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)
----------------------------------------------
1:2336 2:1537 3:616 4:10 5:4632 6:163
7:6 8:1558 9:1 11:172 12:1371 13:353
14:2514 15:352 16:283 17:367 18:922 20:511
21:4 22:188 23:7468 24:2800 25:2 27:2773
29:19 31:3233 32:36 34:80 35:203 36:2397
37:4671 38:8898 39:905 40:166 41:4230 42:1916
43:2566 44:376 45:18542 46:5004 47:290 49:1917
50:1893 51:590 52:1554 54:299 55:1090 56:11
57:256 58:2212 59:1216 60:1171 61:2778 62:2910
63:1823 64:5499 65:2135 66:4641 67:3068 68:1149
69:3921 70:1117 71:622 72:2844 74:2792 75:1601
76:613 77:2744 78:1894 79:1749 80:2196 81:2040
82:3169 83:1429 84:1856 85:3414 86:1048 87:2153
88:1310 89:4307 90:782 91:8321 92:2719 93:2897
94:4062 95:4357 96:1433 97:313 98:1025 99:642
100:72 101:1147 102:3759 103:32245 104:4784 105:756
106:985 107:2637 108:1199 109:4097 110:2229 111:3355
112:2047 113:1790 114:1962 115:2206 116:2034 117:2749
118:2904 119:1956 120:1874 121:1371 122:2753 123:2176
124:1564 125:2859 126:91 128:1585 129:957 130:1269
131:1922 132:786 133:451 134:1533 135:331 136:1305
137:1252 138:2883 139:1610 140:1577 141:1476 142:1904
143:1640 144:1065 145:516 146:2156 147:2113 148:2662
149:2924 150:1233 151:1755 152:2106 153:569 154:8020
155:1618 156:3206 157:1897 158:1285 159:2443 160:3571
161:1910 162:3751 163:2072 164:1693 165:2202 166:1446
167:1883 168:4059 169:790 170:4896 171:1005 172:4494
173:3233 174:912 175:1299 176:3696 177:4666 178:3754
179:2277 180:2593 181:4058 182:3368 183:2048 184:2136
185:21561 186:5075 187:4411 188:4197 189:4184 190:9624
191:1472 192:11248 193:9443 194:7770 195:5539 196:3301
197:3704 198:6093 199:8439 200:8199 201:6284 202:10403
203:10620 204:4526 205:3636 206:4635 207:3480 208:4211
209:5130 210:4573 211:2531 212:4523 213:3775 214:1034
215:48 216:6631 217:3110 218:1334 219:374 220:2075
221:1060 222:716 223:2322
End of report
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