[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu May 1 22:47:04 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 01 May, 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: 1033614
Prefixes after maximum aggregation (per Origin AS): 380914
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479335
Total ASes present in the Internet Routing Table: 76953
Prefixes per ASN: 13.43
Origin-only ASes present in the Internet Routing Table: 66225
Origin ASes announcing only one prefix: 26363
Transit ASes present in the Internet Routing Table: 10728
Transit-only ASes present in the Internet Routing Table: 547
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.1
Max AS path length visible: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1110
Number of instances of unregistered ASNs: 1113
Number of 32-bit ASNs allocated by the RIRs: 46308
Number of 32-bit ASNs visible in the Routing Table: 38249
Prefixes from 32-bit ASNs in the Routing Table: 212644
Number of bogon 32-bit ASNs visible in the Routing Table: 71
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 480
Number of addresses announced to Internet: 3107227173
Equivalent to 185 /8s, 52 /16s and 134 /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: 350647
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265253
Total APNIC prefixes after maximum aggregation: 77421
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256347
Unique aggregates announced from the APNIC address blocks: 103308
APNIC Region origin ASes present in the Internet Routing Table: 14651
APNIC Prefixes per ASN: 17.50
APNIC Region origin ASes announcing only one prefix: 4453
APNIC Region transit ASes present in the Internet Routing Table: 1941
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: 10138
Number of APNIC addresses announced to Internet: 749339712
Equivalent to 44 /8s, 170 /16s and 4 /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: 298365
Total ARIN prefixes after maximum aggregation: 131222
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 299169
Unique aggregates announced from the ARIN address blocks: 138413
ARIN Region origin ASes present in the Internet Routing Table: 19253
ARIN Prefixes per ASN: 15.54
ARIN Region origin ASes announcing only one prefix: 7015
ARIN Region transit ASes present in the Internet Routing Table: 1911
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: 5201
Number of ARIN addresses announced to Internet: 1348881408
Equivalent to 80 /8s, 102 /16s and 76 /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: 290779
Total RIPE prefixes after maximum aggregation: 135088
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288363
Unique aggregates announced from the RIPE address blocks: 174295
RIPE Region origin ASes present in the Internet Routing Table: 28970
RIPE Prefixes per ASN: 9.95
RIPE Region origin ASes announcing only one prefix: 12016
RIPE Region transit ASes present in the Internet Routing Table: 3885
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12440
Number of RIPE addresses announced to Internet: 731581285
Equivalent to 43 /8s, 155 /16s and 11 /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: 138626
Total LACNIC prefixes after maximum aggregation: 29650
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 135298
Unique aggregates announced from the LACNIC address blocks: 48972
LACNIC Region origin ASes present in the Internet Routing Table: 11236
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2229
LACNIC Region transit ASes present in the Internet Routing Table: 2457
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: 9181
Number of LACNIC addresses announced to Internet: 171832448
Equivalent to 10 /8s, 61 /16s and 244 /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: 39481
Total AfriNIC prefixes after maximum aggregation: 6886
AfriNIC Deaggregation factor: 5.73
Prefixes being announced from the AfriNIC address blocks: 53956
Unique aggregates announced from the AfriNIC address blocks: 13954
AfriNIC Region origin ASes present in the Internet Routing Table: 1923
AfriNIC Prefixes per ASN: 28.06
AfriNIC Region origin ASes announcing only one prefix: 650
AfriNIC Region transit ASes present in the Internet Routing Table: 362
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: 1289
Number of AfriNIC addresses announced to Internet: 105367296
Equivalent to 6 /8s, 71 /16s and 199 /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 95 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4860 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4333 531 281 BBIL-AP BHARTI Airtel Ltd., IN
18403 4333 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3920 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3678 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3283 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2863 851 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2208 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 13241 39694 4261 AMAZON-02, US
174 5592 8755 922 COGENT-174, US
11492 4711 312 591 CABLEONE, US
22773 4582 3034 178 ASN-CXA-ALL-CCI-22773-RDC, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
749 3253 54863 2504 DNIC-AS-00749, US
16625 3121 1316 2259 AKAMAI-AS, US
396982 2967 3651 475 GOOGLE-CLOUD-PLATFORM, US
36352 2774 227 852 AS-COLOCROSSING, 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 9753 1296 1077 TTNET, TR
12479 7704 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4076 3396 140 AKAMAI-ASN1, NL
9009 3795 328 1973 M247, RO
12389 3075 2303 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2116 150 1557 CDNEXT, GB
8452 1942 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
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 12324 3260 686 UNINET, MX
10620 3521 485 995 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1996 369 64 Instituto Costarricense de Electricidad y
28573 1602 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1191 371 22 Telefonica del Peru S.A.A., PE
28202 1129 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1101 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1058 70 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1744 631 30 RAYA-AS, EG
24863 1650 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1594 102 22 ORANGE-COTE-IVOIRE, CI
36992 1434 1518 283 ETISALAT-MISR, EG
20011 1295 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1020 521 42 Vodafone-, EG
37069 932 1099 15 MOBINIL, EG
3741 560 661 319 IS, ZA
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 13241 39694 4261 AMAZON-02, US
8151 12324 3260 686 UNINET, MX
9808 10456 8754 95 CHINAMOBILE-CN China Mobile Communication
47331 9753 1296 1077 TTNET, TR
12479 7704 1714 148 UNI2-AS, ES
7545 6215 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5592 8755 922 COGENT-174, US
4538 4860 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4711 312 591 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 12324 11638 UNINET, MX
9808 10456 10361 CHINAMOBILE-CN China Mobile Communications Grou
47331 9753 8676 TTNET, TR
12479 7704 7556 UNI2-AS, ES
7545 6215 5559 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4860 4783 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5592 4670 COGENT-174, US
22773 4582 4404 ASN-CXA-ALL-CCI-22773-RDC, US
18403 4333 4308 FPT-AS-AP FPT Telecom Company, VN
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
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/OIX/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/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
23.140.216.0/24 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/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 /10:41 /11:93 /12:300
/13:583 /14:1232 /15:2198 /16:14041 /17:8455 /18:14241
/19:25346 /20:45802 /21:54484 /22:115723 /23:110332 /24:637453
/25:583 /26:590 /27:1058 /28:67 /29:105 /30:20
/31:2 /32:832
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8832 9753 TTNET, TR
12479 6626 7704 UNI2-AS, ES
8151 6474 12324 UNINET, MX
22773 3723 4582 ASN-CXA-ALL-CCI-22773-RDC, US
11492 3531 4711 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
16509 2349 13241 AMAZON-02, US
30036 2230 2570 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2379 2:1533 3:648 4:25 5:4995 6:162
7:6 8:1656 9:1 11:172 12:1369 13:364
14:2559 15:355 16:282 17:369 18:915 20:525
21:4 22:188 23:7576 24:2961 25:2 27:2808
29:19 31:3308 32:51 33:1 34:84 35:211
36:2514 37:4811 38:10397 39:908 40:169 41:4742
42:1975 43:2617 44:380 45:20099 46:5111 47:298
49:1950 50:1912 51:590 52:1583 54:301 55:1087
56:11 57:265 58:2288 59:1431 60:1169 61:3026
62:3051 63:1844 64:5530 65:2204 66:4738 67:3125
68:1413 69:4008 70:1250 71:632 72:3002 74:2814
75:1626 76:618 77:2839 78:4354 79:1784 80:2239
81:2236 82:3263 83:1478 84:1869 85:4394 86:1055
87:2422 88:3547 89:4508 90:785 91:8468 92:2738
93:2924 94:4156 95:5609 96:1476 97:322 98:1051
99:668 100:72 101:1422 102:4422 103:32524 104:4853
105:2232 106:1046 107:2636 108:1220 109:4136 110:2244
111:3366 112:2073 113:1829 114:1985 115:2262 116:2100
117:2742 118:2908 119:1972 120:1913 121:1441 122:2780
123:2409 124:1688 125:2888 126:91 128:1624 129:1034
130:1339 131:2095 132:895 133:451 134:1549 135:377
136:1315 137:1182 138:3227 139:1624 140:1588 141:1494
142:1951 143:1797 144:1098 145:507 146:2181 147:2101
148:2689 149:2957 150:1266 151:1815 152:2127 153:566
154:8640 155:1680 156:3495 157:1917 158:1303 159:2444
160:3695 161:1928 162:3774 163:2132 164:1758 165:2241
166:1475 167:1916 168:4358 169:818 170:5543 171:1012
172:4436 173:3288 174:933 175:1308 176:3803 177:6125
178:3875 179:2744 180:2678 181:4234 182:3394 183:2064
184:2150 185:21842 186:5793 187:5075 188:4339 189:4649
190:9859 191:2059 192:11277 193:9525 194:7896 195:5696
196:3686 197:3965 198:6254 199:8537 200:8763 201:6601
202:10856 203:10738 204:4573 205:3670 206:4672 207:3586
208:4284 209:5296 210:4900 211:2637 212:4712 213:3841
214:1030 215:48 216:6797 217:3217 218:1390 219:551
220:2092 221:1058 222:855 223:2368
End of report
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