[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Apr 29 21:40:26 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 29 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: 980832
Prefixes after maximum aggregation (per Origin AS): 376837
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 478691
Number of IPv4 prefixes with a valid ROA: 542434
Number of IPv4 prefixes with an invalid ROA: 178
Number of IPv4 prefixes with no ROA: 438220
Total ASes present in the Internet Routing Table: 76865
Prefixes per ASN: 12.76
Origin-only ASes present in the Internet Routing Table: 65855
Origin ASes announcing only one prefix: 26948
Transit ASes present in the Internet Routing Table: 11010
Transit-only ASes present in the Internet Routing Table: 546
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: 91
Max AS path prepend of ASN ( 23947) 88
Prefixes from unregistered ASNs in the Routing Table: 1187
Number of instances of unregistered ASNs: 1190
Number of 32-bit ASNs allocated by the RIRs: 46298
Number of 32-bit ASNs visible in the Routing Table: 38182
Prefixes from 32-bit ASNs in the Routing Table: 201346
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: 481
Number of addresses announced to Internet: 3104828928
Equivalent to 185 /8s, 15 /16s and 238 /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: 321652
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 256899
Total APNIC prefixes after maximum aggregation: 76718
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 248158
Unique aggregates announced from the APNIC address blocks: 103142
APNIC Region origin ASes present in the Internet Routing Table: 14603
APNIC Prefixes per ASN: 16.99
APNIC Region origin ASes announcing only one prefix: 4455
APNIC Region transit ASes present in the Internet Routing Table: 1973
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 91
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10121
Number of APNIC addresses announced to Internet: 747419136
Equivalent to 44 /8s, 140 /16s and 182 /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: 289777
Total ARIN prefixes after maximum aggregation: 129559
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 290991
Unique aggregates announced from the ARIN address blocks: 138428
ARIN Region origin ASes present in the Internet Routing Table: 19241
ARIN Prefixes per ASN: 15.12
ARIN Region origin ASes announcing only one prefix: 7048
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: 5197
Number of ARIN addresses announced to Internet: 1348884480
Equivalent to 80 /8s, 102 /16s and 88 /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: 273797
Total RIPE prefixes after maximum aggregation: 133761
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271768
Unique aggregates announced from the RIPE address blocks: 173993
RIPE Region origin ASes present in the Internet Routing Table: 28908
RIPE Prefixes per ASN: 9.40
RIPE Region origin ASes announcing only one prefix: 12052
RIPE Region transit ASes present in the Internet Routing Table: 3986
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: 12412
Number of RIPE addresses announced to Internet: 731526656
Equivalent to 43 /8s, 154 /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: 123659
Total LACNIC prefixes after maximum aggregation: 29315
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120187
Unique aggregates announced from the LACNIC address blocks: 48775
LACNIC Region origin ASes present in the Internet Routing Table: 11229
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2699
LACNIC Region transit ASes present in the Internet Routing Table: 2478
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9174
Number of LACNIC addresses announced to Internet: 171745792
Equivalent to 10 /8s, 60 /16s and 162 /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: 35513
Total AfriNIC prefixes after maximum aggregation: 6765
AfriNIC Deaggregation factor: 5.25
Prefixes being announced from the AfriNIC address blocks: 49246
Unique aggregates announced from the AfriNIC address blocks: 13960
AfriNIC Region origin ASes present in the Internet Routing Table: 1917
AfriNIC Prefixes per ASN: 25.69
AfriNIC Region origin ASes announcing only one prefix: 694
AfriNIC Region transit ASes present in the Internet Routing Table: 378
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: 1278
Number of AfriNIC addresses announced to Internet: 105026304
Equivalent to 6 /8s, 66 /16s and 147 /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 10456 8754 93 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4249 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4238 531 279 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3675 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3265 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2859 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2189 11523 648 KIXS-AS-KR Korea Telecom, KR
45090 2173 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 13234 39700 4102 AMAZON-02, US
11492 4704 312 588 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
174 3701 8757 934 COGENT-174, US
22773 3624 3054 219 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3621 1320 81 SHAW, CA
749 3254 54879 2505 DNIC-AS-00749, US
16625 3118 1311 2257 AKAMAI-AS, US
396982 2966 3651 474 GOOGLE-CLOUD-PLATFORM, US
36352 2736 225 835 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 7672 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4057 3395 127 AKAMAI-ASN1, NL
9009 3762 325 1974 M247, RO
12389 3070 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2113 150 1552 CDNEXT, GB
8452 1644 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1420 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 11986 3243 595 UNINET, MX
10620 3518 485 996 Telmex Colombia S.A., CO
13999 2511 540 362 Mega Cable, S.A. de C.V., MX
11830 1995 369 64 Instituto Costarricense de Electricidad y
28573 1359 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1197 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1191 371 22 Telefonica del Peru S.A.A., PE
22884 1055 70 377 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 1744 631 30 RAYA-AS, EG
24863 1650 389 16 LINKdotNET-AS, EG
29571 1592 102 22 ORANGE-COTE-IVOIRE, CI
36992 1431 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 932 1099 15 MOBINIL, EG
36914 540 82 3 KENET-AS, KE
3741 517 661 317 IS, ZA
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 13234 39700 4102 AMAZON-02, US
8151 11986 3243 595 UNINET, MX
9808 10456 8754 93 CHINAMOBILE-CN China Mobile Communication
12479 7672 1714 145 UNI2-AS, ES
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4704 312 588 CABLEONE, US
18403 4249 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4238 531 279 BBIL-AP BHARTI Airtel Ltd., IN
20940 4057 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 11986 11391 UNINET, MX
9808 10456 10363 CHINAMOBILE-CN China Mobile Communications Grou
12479 7672 7527 UNI2-AS, ES
7545 6215 5558 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4249 4224 FPT-AS-AP FPT Telecom Company, VN
11492 4704 4116 CABLEONE, US
9498 4238 3959 BBIL-AP BHARTI Airtel Ltd., IN
20940 4057 3930 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 /15:2164 /16:13921 /17:8268 /18:13736
/19:24609 /20:43693 /21:51735 /22:111975 /23:101797 /24:606661
/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 6593 7672 UNI2-AS, ES
8151 6191 11986 UNINET, MX
11492 3531 4704 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2746 3624 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2348 13234 AMAZON-02, US
30036 2232 2573 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2184 3518 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)
----------------------------------------------
1:2333 2:1525 3:630 4:9 5:4674 6:162
7:6 8:1588 9:1 11:172 12:1365 13:347
14:2513 15:352 16:282 17:368 18:921 20:513
21:4 22:188 23:7531 24:2810 25:2 27:2775
29:19 31:3232 32:36 34:80 35:205 36:2488
37:4683 38:9088 39:907 40:169 41:4233 42:1904
43:2593 44:381 45:18546 46:5045 47:293 49:1931
50:1906 51:590 52:1551 54:298 55:1024 56:11
57:256 58:2201 59:1215 60:1171 61:2773 62:2947
63:1822 64:5461 65:2131 66:4650 67:3067 68:1162
69:3929 70:1124 71:629 72:2848 74:2782 75:1618
76:614 77:2734 78:1897 79:1754 80:2197 81:2055
82:3192 83:1428 84:1844 85:3417 86:1049 87:2143
88:1314 89:4333 90:780 91:8338 92:2712 93:2902
94:4069 95:4352 96:1455 97:312 98:1023 99:667
100:72 101:1147 102:3904 103:32279 104:4813 105:751
106:1038 107:2642 108:1213 109:4075 110:2229 111:3331
112:2048 113:1795 114:1964 115:2211 116:2039 117:2747
118:2897 119:1958 120:1883 121:1377 122:2748 123:2177
124:1567 125:2855 126:91 128:1606 129:959 130:1292
131:1915 132:774 133:451 134:1541 135:331 136:1305
137:1264 138:2881 139:1620 140:1574 141:1494 142:1906
143:1662 144:1077 145:504 146:2164 147:2101 148:2676
149:2884 150:1247 151:1796 152:2097 153:564 154:8264
155:1637 156:3359 157:1898 158:1289 159:2437 160:3584
161:1918 162:3750 163:2105 164:1700 165:2196 166:1453
167:1872 168:4031 169:795 170:5076 171:1010 172:4417
173:3261 174:915 175:1300 176:3663 177:4648 178:3691
179:2533 180:2607 181:4054 182:3391 183:2048 184:2144
185:21573 186:5079 187:4415 188:4203 189:4205 190:9515
191:1469 192:11247 193:9460 194:7772 195:5492 196:3311
197:3675 198:6127 199:8481 200:8179 201:6296 202:10408
203:10643 204:4525 205:3587 206:4633 207:3473 208:4234
209:5153 210:4584 211:2534 212:4527 213:3778 214:1029
215:48 216:6713 217:3144 218:1333 219:375 220:2077
221:1059 222:724 223:2348
End of report
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