[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Feb 25 22:46:38 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 25 Feb, 2025
IPv4 BGP Table (Global) as seen at RouteViews OIX.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/OIX/
Analysis Summary
----------------
BGP routing table entries examined: 1028038
Prefixes after maximum aggregation (per Origin AS): 376905
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 476260
Total ASes present in the Internet Routing Table: 76770
Prefixes per ASN: 13.39
Origin-only ASes present in the Internet Routing Table: 66077
Origin ASes announcing only one prefix: 26288
Transit ASes present in the Internet Routing Table: 10693
Transit-only ASes present in the Internet Routing Table: 533
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.2
Max AS path length visible: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1114
Number of instances of unregistered ASNs: 1121
Number of 32-bit ASNs allocated by the RIRs: 46198
Number of 32-bit ASNs visible in the Routing Table: 37910
Prefixes from 32-bit ASNs in the Routing Table: 210509
Number of bogon 32-bit ASNs visible in the Routing Table: 84
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 540
Number of addresses announced to Internet: 3116107877
Equivalent to 185 /8s, 188 /16s and 8 /24s
Percentage of available address space announced: 84.2
Percentage of allocated address space announced: 84.2
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: 347829
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265188
Total APNIC prefixes after maximum aggregation: 76688
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 257123
Unique aggregates announced from the APNIC address blocks: 102831
APNIC Region origin ASes present in the Internet Routing Table: 14564
APNIC Prefixes per ASN: 17.65
APNIC Region origin ASes announcing only one prefix: 4422
APNIC Region transit ASes present in the Internet Routing Table: 1950
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10027
Number of APNIC addresses announced to Internet: 755817280
Equivalent to 45 /8s, 12 /16s and 219 /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: 294169
Total ARIN prefixes after maximum aggregation: 129324
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 295572
Unique aggregates announced from the ARIN address blocks: 135910
ARIN Region origin ASes present in the Internet Routing Table: 19260
ARIN Prefixes per ASN: 15.35
ARIN Region origin ASes announcing only one prefix: 7024
ARIN Region transit ASes present in the Internet Routing Table: 1918
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5168
Number of ARIN addresses announced to Internet: 1348749056
Equivalent to 80 /8s, 100 /16s and 71 /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: 289902
Total RIPE prefixes after maximum aggregation: 133904
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 287101
Unique aggregates announced from the RIPE address blocks: 173139
RIPE Region origin ASes present in the Internet Routing Table: 28919
RIPE Prefixes per ASN: 9.93
RIPE Region origin ASes announcing only one prefix: 12036
RIPE Region transit ASes present in the Internet Routing Table: 3857
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12303
Number of RIPE addresses announced to Internet: 732533797
Equivalent to 43 /8s, 169 /16s and 148 /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: 138473
Total LACNIC prefixes after maximum aggregation: 29361
LACNIC Deaggregation factor: 4.72
Prefixes being announced from the LACNIC address blocks: 135494
Unique aggregates announced from the LACNIC address blocks: 48958
LACNIC Region origin ASes present in the Internet Routing Table: 11188
LACNIC Prefixes per ASN: 12.11
LACNIC Region origin ASes announcing only one prefix: 2152
LACNIC Region transit ASes present in the Internet Routing Table: 2448
Average LACNIC Region AS path length visible: 3.3
Max LACNIC Region AS path length visible: 52
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9130
Number of LACNIC addresses announced to Internet: 173879808
Equivalent to 10 /8s, 93 /16s and 50 /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: 39192
Total AfriNIC prefixes after maximum aggregation: 6945
AfriNIC Deaggregation factor: 5.64
Prefixes being announced from the AfriNIC address blocks: 52206
Unique aggregates announced from the AfriNIC address blocks: 14989
AfriNIC Region origin ASes present in the Internet Routing Table: 1922
AfriNIC Prefixes per ASN: 27.16
AfriNIC Region origin ASes announcing only one prefix: 654
AfriNIC Region transit ASes present in the Internet Routing Table: 360
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1282
Number of AfriNIC addresses announced to Internet: 104861184
Equivalent to 6 /8s, 64 /16s and 14 /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 10329 8753 90 CHINAMOBILE-CN China Mobile Communication
7545 6219 844 662 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5006 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4326 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4240 530 275 BBIL-AP BHARTI Airtel Ltd., IN
7552 3920 1331 25 VIETEL-AS-AP Viettel Group, VN
7713 3673 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3273 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2843 851 531 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 12789 39187 3796 AMAZON-02, US
174 5277 8764 943 COGENT-174, US
11492 4705 312 562 CABLEONE, US
7155 4175 286 83 VIASAT-SP-BACKBONE, US
6327 3623 1320 81 SHAW, CA
22773 3381 3049 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
16625 3061 1314 2212 AKAMAI-AS, US
396982 2932 3660 452 GOOGLE-CLOUD-PLATFORM, US
30036 2586 357 303 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
47331 9674 1286 1313 TTNET, TR
12479 7763 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4036 3396 143 AKAMAI-ASN1, NL
9009 3784 325 1927 M247, RO
12389 2990 2303 895 ROSTELECOM-AS, RU
34984 2415 364 573 TELLCOM-AS, TR
212238 1996 145 1474 CDNEXT, GB
8452 1922 1852 14 TE-AS TE-AS, EG
5384 1799 585 30 EMIRATES-INTERNET Emirates Internet, AE
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12057 3254 693 UNINET, MX
10620 3545 492 952 Telmex Colombia S.A., CO
13999 2520 541 366 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1594 2437 265 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1156 371 22 Telefonica del Peru S.A.A., PE
28202 1131 52 9 Rede Brasileira de Comunicacao SA, BR
6503 1130 374 163 Axtel, S.A.B. de C.V., MX
11664 1073 278 33 Techtel LMDS Comunicaciones Interactivas
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1683 599 30 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1619 389 16 LINKdotNET-AS, EG
29571 1564 99 104 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
20011 1292 202 342 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1013 523 45 Vodafone-, EG
37069 847 1083 15 MOBINIL, EG
6713 557 1861 35 IAM-AS, MA
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 12789 39187 3796 AMAZON-02, US
8151 12057 3254 693 UNINET, MX
9808 10329 8753 90 CHINAMOBILE-CN China Mobile Communication
47331 9674 1286 1313 TTNET, TR
12479 7763 1714 145 UNI2-AS, ES
7545 6219 844 662 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5277 8764 943 COGENT-174, US
4538 5006 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4705 312 562 CABLEONE, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 12057 11364 UNINET, MX
9808 10329 10239 CHINAMOBILE-CN China Mobile Communications Grou
47331 9674 8361 TTNET, TR
12479 7763 7618 UNI2-AS, ES
7545 6219 5557 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5006 4928 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5277 4334 COGENT-174, US
18403 4326 4301 FPT-AS-AP FPT Telecom Company, VN
11492 4705 4143 CABLEONE, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US
46559 UNALLOCATED 8.3.52.0/23 3257 GTT-BACKBONE GTT, US
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
Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.116.75.0/24 22884 TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://bgp.nsrc.org/REN/OIX/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
23.140.16.0/24 Origin: 63371 RESERVED, ZZ
23.140.16.0/24 Transit: 3356 LEVEL3, US
23.140.48.0/24 Origin: 63371 RESERVED, ZZ
23.140.48.0/24 Transit: 7018 ATT-INTERNET4, 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
Complete listing at https://bgp.nsrc.org/REN/OIX/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 /10:42 /11:92 /12:307
/13:587 /14:1237 /15:2202 /16:14098 /17:8578 /18:14254
/19:25470 /20:46144 /21:54812 /22:116150 /23:110255 /24:630470
/25:594 /26:591 /27:1051 /28:78 /29:106 /30:23
/31:2 /32:862
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8758 9674 TTNET, TR
12479 6716 7763 UNI2-AS, ES
8151 6214 12057 UNINET, MX
11492 3556 4705 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3623 SHAW, CA
7155 3121 4175 VIASAT-SP-BACKBONE, US
22773 2518 3381 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2279 12789 AMAZON-02, US
30036 2246 2586 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2332 2:1533 3:573 4:25 5:4863 6:165
7:6 8:1646 9:1 10:1 11:172 12:1384
13:350 14:2553 15:349 16:274 17:358 18:914
20:460 21:4 22:188 23:7395 24:2772 25:2
27:2744 29:19 31:3227 32:53 34:82 35:206
36:2436 37:4743 38:10091 39:898 40:159 41:4790
42:1983 43:2580 44:355 45:19885 46:5061 47:294
49:1996 50:1902 51:590 52:1602 54:300 55:1071
56:9 57:252 58:2317 59:1289 60:1167 61:3104
62:3031 63:1854 64:5567 65:2216 66:4727 67:3099
68:1143 69:4004 70:1126 71:621 72:2952 74:2810
75:1650 76:618 77:2790 78:4231 79:1750 80:2248
81:2197 82:2688 83:1439 84:1824 85:4278 86:1031
87:2439 88:3430 89:4470 90:762 91:8461 92:2826
93:2916 94:3989 95:5450 96:1359 97:327 98:982
99:741 100:71 101:1405 102:4280 103:32674 104:4824
105:2234 106:996 107:2610 108:1223 109:4146 110:2272
111:3338 112:2074 113:1824 114:1960 115:2227 116:2100
117:2751 118:2899 119:2016 120:1909 121:1436 122:2901
123:2330 124:1640 125:2918 126:94 128:1626 129:1032
130:1325 131:2010 132:913 133:450 134:1533 135:375
136:1331 137:1175 138:3235 139:1621 140:1567 141:1488
142:1877 143:1731 144:1065 145:478 146:2157 147:2074
148:2602 149:2958 150:1245 151:1704 152:2128 153:574
154:7668 155:1633 156:3201 157:1928 158:1270 159:2433
160:3646 161:1967 162:3718 163:1860 164:1757 165:2216
166:1367 167:1905 168:4370 169:820 170:5508 171:1007
172:4358 173:3273 174:917 175:1289 176:3745 177:6187
178:3932 179:2734 180:2654 181:4163 182:3377 183:2067
184:2313 185:21780 186:5682 187:4999 188:4332 189:4605
190:9918 191:2108 192:11214 193:9449 194:7859 195:5651
196:3627 197:4006 198:6229 199:8364 200:8701 201:6571
202:10875 203:10771 204:4598 205:3729 206:4697 207:3600
208:4230 209:5280 210:4925 211:2636 212:4617 213:3877
214:1057 215:42 216:6673 217:3180 218:1396 219:555
220:2116 221:1056 222:849 223:2336
End of report
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