[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Apr 23 21:40:19 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Wed 23 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: 979575
Prefixes after maximum aggregation (per Origin AS): 376375
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 478949
Number of IPv4 prefixes with a valid ROA: 541385
Number of IPv4 prefixes with an invalid ROA: 161
Number of IPv4 prefixes with no ROA: 438029
Total ASes present in the Internet Routing Table: 76852
Prefixes per ASN: 12.75
Origin-only ASes present in the Internet Routing Table: 65870
Origin ASes announcing only one prefix: 26908
Transit ASes present in the Internet Routing Table: 10982
Transit-only ASes present in the Internet Routing Table: 540
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: 1193
Number of instances of unregistered ASNs: 1196
Number of 32-bit ASNs allocated by the RIRs: 46254
Number of 32-bit ASNs visible in the Routing Table: 38167
Prefixes from 32-bit ASNs in the Routing Table: 201131
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: 469
Number of addresses announced to Internet: 3105329920
Equivalent to 185 /8s, 23 /16s and 147 /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: 321109
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255946
Total APNIC prefixes after maximum aggregation: 76440
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 247734
Unique aggregates announced from the APNIC address blocks: 103060
APNIC Region origin ASes present in the Internet Routing Table: 14602
APNIC Prefixes per ASN: 16.97
APNIC Region origin ASes announcing only one prefix: 4456
APNIC Region transit ASes present in the Internet Routing Table: 1965
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: 10115
Number of APNIC addresses announced to Internet: 747345152
Equivalent to 44 /8s, 139 /16s and 149 /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: 289759
Total ARIN prefixes after maximum aggregation: 129481
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 290923
Unique aggregates announced from the ARIN address blocks: 138517
ARIN Region origin ASes present in the Internet Routing Table: 19245
ARIN Prefixes per ASN: 15.12
ARIN Region origin ASes announcing only one prefix: 7044
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: 5199
Number of ARIN addresses announced to Internet: 1349094144
Equivalent to 80 /8s, 105 /16s and 139 /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: 273699
Total RIPE prefixes after maximum aggregation: 133653
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271572
Unique aggregates announced from the RIPE address blocks: 173790
RIPE Region origin ASes present in the Internet Routing Table: 28892
RIPE Prefixes per ASN: 9.40
RIPE Region origin ASes announcing only one prefix: 12039
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: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12401
Number of RIPE addresses announced to Internet: 731813888
Equivalent to 43 /8s, 158 /16s and 152 /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: 123652
Total LACNIC prefixes after maximum aggregation: 29312
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120227
Unique aggregates announced from the LACNIC address blocks: 48889
LACNIC Region origin ASes present in the Internet Routing Table: 11229
LACNIC Prefixes per ASN: 10.71
LACNIC Region origin ASes announcing only one prefix: 2677
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: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9173
Number of LACNIC addresses announced to Internet: 171763968
Equivalent to 10 /8s, 60 /16s and 233 /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: 35326
Total AfriNIC prefixes after maximum aggregation: 6765
AfriNIC Deaggregation factor: 5.22
Prefixes being announced from the AfriNIC address blocks: 48649
Unique aggregates announced from the AfriNIC address blocks: 14307
AfriNIC Region origin ASes present in the Internet Routing Table: 1916
AfriNIC Prefixes per ASN: 25.39
AfriNIC Region origin ASes announcing only one prefix: 692
AfriNIC Region transit ASes present in the Internet Routing Table: 377
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: 1279
Number of AfriNIC addresses announced to Internet: 105088768
Equivalent to 6 /8s, 67 /16s and 135 /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 10351 8753 90 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4264 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4225 530 274 BBIL-AP BHARTI Airtel Ltd., IN
7552 3918 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 13256 39709 4116 AMAZON-02, US
11492 4696 312 586 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 3591 8760 939 COGENT-174, US
749 3254 54879 2505 DNIC-AS-00749, US
16625 3120 1312 2258 AKAMAI-AS, US
396982 2964 3651 472 GOOGLE-CLOUD-PLATFORM, US
36352 2718 224 836 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 7724 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4047 3395 127 AKAMAI-ASN1, NL
9009 3768 325 1959 M247, RO
12389 3069 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2105 150 1545 CDNEXT, GB
8452 1640 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1418 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 11970 3244 597 UNINET, MX
10620 3516 485 994 Telmex Colombia S.A., CO
13999 2508 539 364 Mega Cable, S.A. de C.V., MX
11830 1991 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 1188 371 21 Telefonica del Peru S.A.A., PE
11664 1188 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1054 70 379 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 1650 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 546 1861 35 IAM-AS, MA
36914 541 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 13256 39709 4116 AMAZON-02, US
8151 11970 3244 597 UNINET, MX
9808 10351 8753 90 CHINAMOBILE-CN China Mobile Communication
12479 7724 1714 145 UNI2-AS, ES
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4696 312 586 CABLEONE, US
18403 4264 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4225 530 274 BBIL-AP BHARTI Airtel Ltd., IN
20940 4047 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 11970 11373 UNINET, MX
9808 10351 10261 CHINAMOBILE-CN China Mobile Communications Grou
12479 7724 7579 UNI2-AS, ES
7545 6215 5558 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4264 4239 FPT-AS-AP FPT Telecom Company, VN
11492 4696 4110 CABLEONE, US
9498 4225 3951 BBIL-AP BHARTI Airtel Ltd., IN
20940 4047 3920 AKAMAI-ASN1, NL
7552 3918 3892 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 /14:1229 /15:2160 /16:13910 /17:8274 /18:13752
/19:24615 /20:43731 /21:51772 /22:112024 /23:101638 /24:605418
/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 6644 7724 UNI2-AS, ES
8151 6172 11970 UNINET, MX
11492 3531 4696 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 2364 13256 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)
----------------------------------------------
1:2332 2:1539 3:619 4:9 5:4633 6:162
7:6 8:1557 9:1 11:172 12:1372 13:356
14:2515 15:352 16:283 17:368 18:922 20:512
21:4 22:188 23:7511 24:2800 25:2 27:2770
29:19 31:3231 32:36 34:80 35:205 36:2398
37:4666 38:8962 39:905 40:166 41:4237 42:1904
43:2575 44:377 45:18521 46:5022 47:290 49:1930
50:1897 51:590 52:1558 54:298 55:1093 56:11
57:255 58:2206 59:1218 60:1171 61:2774 62:2940
63:1826 64:5505 65:2133 66:4645 67:3064 68:1152
69:3936 70:1116 71:624 72:2844 74:2794 75:1614
76:615 77:2729 78:1898 79:1744 80:2202 81:2052
82:3192 83:1434 84:1850 85:3411 86:1047 87:2155
88:1310 89:4310 90:784 91:8322 92:2719 93:2894
94:4057 95:4350 96:1448 97:313 98:1024 99:667
100:72 101:1145 102:3752 103:32227 104:4816 105:756
106:980 107:2646 108:1206 109:4077 110:2231 111:3333
112:2047 113:1794 114:1964 115:2217 116:2034 117:2747
118:2903 119:1956 120:1875 121:1371 122:2755 123:2174
124:1564 125:2854 126:91 128:1597 129:960 130:1287
131:1913 132:778 133:451 134:1536 135:331 136:1307
137:1256 138:2900 139:1626 140:1574 141:1489 142:1903
143:1650 144:1070 145:516 146:2150 147:2112 148:2666
149:2931 150:1242 151:1759 152:2096 153:570 154:8003
155:1629 156:3207 157:1895 158:1285 159:2442 160:3584
161:1919 162:3753 163:2088 164:1698 165:2193 166:1452
167:1885 168:4070 169:784 170:4980 171:1006 172:4489
173:3257 174:915 175:1297 176:3661 177:4660 178:3711
179:2296 180:2599 181:4047 182:3379 183:2049 184:2142
185:21560 186:5081 187:4436 188:4200 189:4195 190:9622
191:1476 192:11263 193:9452 194:7770 195:5537 196:3306
197:3677 198:6120 199:8476 200:8208 201:6278 202:10409
203:10632 204:4529 205:3634 206:4649 207:3481 208:4224
209:5128 210:4583 211:2535 212:4524 213:3776 214:1025
215:48 216:6629 217:3144 218:1332 219:374 220:2076
221:1058 222:717 223:2322
End of report
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