[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon May 5 22:46:59 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Mon 05 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: 1032571
Prefixes after maximum aggregation (per Origin AS): 381316
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479340
Total ASes present in the Internet Routing Table: 76978
Prefixes per ASN: 13.41
Origin-only ASes present in the Internet Routing Table: 66230
Origin ASes announcing only one prefix: 26403
Transit ASes present in the Internet Routing Table: 10748
Transit-only ASes present in the Internet Routing Table: 546
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: 1139
Number of instances of unregistered ASNs: 1142
Number of 32-bit ASNs allocated by the RIRs: 46335
Number of 32-bit ASNs visible in the Routing Table: 38263
Prefixes from 32-bit ASNs in the Routing Table: 212742
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: 475
Number of addresses announced to Internet: 3111791653
Equivalent to 185 /8s, 122 /16s and 44 /24s
Percentage of available address space announced: 84.1
Percentage of allocated address space announced: 84.1
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: 349516
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265440
Total APNIC prefixes after maximum aggregation: 77482
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256457
Unique aggregates announced from the APNIC address blocks: 103320
APNIC Region origin ASes present in the Internet Routing Table: 14655
APNIC Prefixes per ASN: 17.50
APNIC Region origin ASes announcing only one prefix: 4472
APNIC Region transit ASes present in the Internet Routing Table: 1940
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 44
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10141
Number of APNIC addresses announced to Internet: 749348672
Equivalent to 44 /8s, 170 /16s and 39 /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: 296903
Total ARIN prefixes after maximum aggregation: 131478
ARIN Deaggregation factor: 2.26
Prefixes being announced from the ARIN address blocks: 297807
Unique aggregates announced from the ARIN address blocks: 138457
ARIN Region origin ASes present in the Internet Routing Table: 19265
ARIN Prefixes per ASN: 15.46
ARIN Region origin ASes announcing only one prefix: 7033
ARIN Region transit ASes present in the Internet Routing Table: 1917
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 33
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5210
Number of ARIN addresses announced to Internet: 1353424640
Equivalent to 80 /8s, 171 /16s and 159 /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: 290831
Total RIPE prefixes after maximum aggregation: 135175
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288417
Unique aggregates announced from the RIPE address blocks: 174308
RIPE Region origin ASes present in the Internet Routing Table: 28973
RIPE Prefixes per ASN: 9.95
RIPE Region origin ASes announcing only one prefix: 12022
RIPE Region transit ASes present in the Internet Routing Table: 3889
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: 12438
Number of RIPE addresses announced to Internet: 731566181
Equivalent to 43 /8s, 154 /16s and 208 /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: 138768
Total LACNIC prefixes after maximum aggregation: 29637
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 135379
Unique aggregates announced from the LACNIC address blocks: 48927
LACNIC Region origin ASes present in the Internet Routing Table: 11237
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2225
LACNIC Region transit ASes present in the Internet Routing Table: 2466
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: 9185
Number of LACNIC addresses announced to Internet: 171848576
Equivalent to 10 /8s, 62 /16s and 51 /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: 39490
Total AfriNIC prefixes after maximum aggregation: 6893
AfriNIC Deaggregation factor: 5.73
Prefixes being announced from the AfriNIC address blocks: 54035
Unique aggregates announced from the AfriNIC address blocks: 13936
AfriNIC Region origin ASes present in the Internet Routing Table: 1922
AfriNIC Prefixes per ASN: 28.11
AfriNIC Region origin ASes announcing only one prefix: 651
AfriNIC Region transit ASes present in the Internet Routing Table: 361
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: 105378048
Equivalent to 6 /8s, 71 /16s and 241 /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 6216 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4860 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4336 531 281 BBIL-AP BHARTI Airtel Ltd., IN
18403 4319 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3920 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3693 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3283 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2864 851 538 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 13336 40827 4478 AMAZON-02, US
174 5537 8752 917 COGENT-174, US
11492 4711 312 591 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3379 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54863 2505 DNIC-AS-00749, US
16625 3135 1319 2261 AKAMAI-AS, US
396982 2957 3658 471 GOOGLE-CLOUD-PLATFORM, US
36352 2776 227 854 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 7726 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4077 3396 140 AKAMAI-ASN1, NL
9009 3808 329 1985 M247, RO
12389 3075 2303 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2132 151 1574 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 12339 3261 686 UNINET, MX
10620 3522 486 994 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 1192 371 22 Telefonica del Peru S.A.A., PE
28202 1129 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1100 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1056 70 384 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 1649 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1600 103 23 ORANGE-COTE-IVOIRE, CI
36992 1433 1518 283 ETISALAT-MISR, EG
20011 1295 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1036 523 45 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 13336 40827 4478 AMAZON-02, US
8151 12339 3261 686 UNINET, MX
9808 10456 8754 95 CHINAMOBILE-CN China Mobile Communication
47331 9753 1296 1077 TTNET, TR
12479 7726 1714 148 UNI2-AS, ES
7545 6216 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5537 8752 917 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 12339 11653 UNINET, MX
9808 10456 10361 CHINAMOBILE-CN China Mobile Communications Grou
47331 9753 8676 TTNET, TR
12479 7726 7578 UNI2-AS, ES
7545 6216 5560 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 5537 4620 COGENT-174, US
18403 4319 4294 FPT-AS-AP FPT Telecom Company, VN
11492 4711 4120 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
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 /15:2200 /16:14107 /17:8458 /18:14246
/19:25361 /20:45822 /21:54465 /22:115585 /23:109896 /24:636888
/25:583 /26:592 /27:1059 /28:67 /29:105 /30:20
/31:2 /32:833
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8832 9753 TTNET, TR
12479 6648 7726 UNI2-AS, ES
8151 6488 12339 UNINET, MX
11492 3531 4711 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2527 3379 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2340 13336 AMAZON-02, US
30036 2217 2557 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2378 2:1534 3:681 4:26 5:5001 6:162
7:6 8:1646 9:1 11:172 12:1370 13:364
14:2558 15:355 16:283 17:369 18:921 20:526
21:4 22:188 23:7573 24:2905 25:2 27:2804
29:19 31:3326 32:51 33:1 34:84 35:209
36:2526 37:4814 38:10416 39:909 40:167 41:4732
42:1972 43:2618 44:382 45:20086 46:5124 47:298
49:1951 50:1901 51:589 52:1586 54:301 55:1084
56:11 57:266 58:2288 59:1433 60:1169 61:3027
62:3055 63:1844 64:5526 65:2198 66:4748 67:3125
68:1153 69:4009 70:1110 71:632 72:2956 74:2813
75:1628 76:618 77:2839 78:4354 79:1775 80:2241
81:2222 82:3257 83:1479 84:1874 85:4394 86:1057
87:2427 88:3546 89:4513 90:784 91:8470 92:2743
93:2925 94:4173 95:5606 96:1472 97:322 98:992
99:671 100:72 101:1432 102:4419 103:32529 104:4843
105:2237 106:1045 107:2641 108:1222 109:4145 110:2245
111:3364 112:2074 113:1829 114:1985 115:2264 116:2099
117:2743 118:2904 119:1972 120:1913 121:1440 122:2780
123:2413 124:1690 125:2886 126:91 128:1621 129:1030
130:1340 131:2085 132:887 133:451 134:1544 135:377
136:1309 137:1180 138:3234 139:1630 140:1590 141:1494
142:1948 143:1802 144:1099 145:510 146:2184 147:2104
148:2694 149:2931 150:1261 151:1830 152:2125 153:564
154:8660 155:1679 156:3450 157:1921 158:1303 159:2450
160:3687 161:1924 162:3746 163:2141 164:1763 165:2241
166:1472 167:1922 168:4367 169:819 170:5549 171:1012
172:4422 173:3284 174:910 175:1309 176:3806 177:6121
178:3817 179:2744 180:2679 181:4231 182:3395 183:2061
184:2120 185:21834 186:5813 187:5079 188:4341 189:4642
190:9975 191:2070 192:11279 193:9526 194:7901 195:5697
196:3682 197:3957 198:6253 199:8511 200:8758 201:6556
202:10861 203:10751 204:4569 205:3678 206:4672 207:3589
208:4293 209:5294 210:4901 211:2636 212:4710 213:3835
214:1026 215:48 216:6797 217:3211 218:1390 219:551
220:2096 221:1058 222:855 223:2367
End of report
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