[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Apr 29 22:47:04 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 29 Apr, 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: 1032486
Prefixes after maximum aggregation (per Origin AS): 380662
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479140
Total ASes present in the Internet Routing Table: 76964
Prefixes per ASN: 13.42
Origin-only ASes present in the Internet Routing Table: 66225
Origin ASes announcing only one prefix: 26386
Transit ASes present in the Internet Routing Table: 10739
Transit-only ASes present in the Internet Routing Table: 543
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: 250
Max AS path prepend of ASN ( 23947) 249
Prefixes from unregistered ASNs in the Routing Table: 1119
Number of instances of unregistered ASNs: 1122
Number of 32-bit ASNs allocated by the RIRs: 46298
Number of 32-bit ASNs visible in the Routing Table: 38250
Prefixes from 32-bit ASNs in the Routing Table: 212570
Number of bogon 32-bit ASNs visible in the Routing Table: 71
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 487
Number of addresses announced to Internet: 3107484453
Equivalent to 185 /8s, 56 /16s and 115 /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: 349615
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265364
Total APNIC prefixes after maximum aggregation: 77347
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256488
Unique aggregates announced from the APNIC address blocks: 103295
APNIC Region origin ASes present in the Internet Routing Table: 14654
APNIC Prefixes per ASN: 17.50
APNIC Region origin ASes announcing only one prefix: 4457
APNIC Region transit ASes present in the Internet Routing Table: 1945
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 250
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10145
Number of APNIC addresses announced to Internet: 749355072
Equivalent to 44 /8s, 170 /16s and 64 /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: 296991
Total ARIN prefixes after maximum aggregation: 131087
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 297786
Unique aggregates announced from the ARIN address blocks: 138342
ARIN Region origin ASes present in the Internet Routing Table: 19257
ARIN Prefixes per ASN: 15.46
ARIN Region origin ASes announcing only one prefix: 7024
ARIN Region transit ASes present in the Internet Routing Table: 1908
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: 5199
Number of ARIN addresses announced to Internet: 1349046528
Equivalent to 80 /8s, 104 /16s and 209 /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: 290690
Total RIPE prefixes after maximum aggregation: 135079
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288347
Unique aggregates announced from the RIPE address blocks: 174252
RIPE Region origin ASes present in the Internet Routing Table: 28975
RIPE Prefixes per ASN: 9.95
RIPE Region origin ASes announcing only one prefix: 12029
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: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12437
Number of RIPE addresses announced to Internet: 731753317
Equivalent to 43 /8s, 157 /16s and 171 /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: 138782
Total LACNIC prefixes after maximum aggregation: 29607
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135451
Unique aggregates announced from the LACNIC address blocks: 48881
LACNIC Region origin ASes present in the Internet Routing Table: 11234
LACNIC Prefixes per ASN: 12.06
LACNIC Region origin ASes announcing only one prefix: 2227
LACNIC Region transit ASes present in the Internet Routing Table: 2459
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: 9179
Number of LACNIC addresses announced to Internet: 171847552
Equivalent to 10 /8s, 62 /16s and 47 /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: 39540
Total AfriNIC prefixes after maximum aggregation: 6888
AfriNIC Deaggregation factor: 5.74
Prefixes being announced from the AfriNIC address blocks: 53925
Unique aggregates announced from the AfriNIC address blocks: 13970
AfriNIC Region origin ASes present in the Internet Routing Table: 1925
AfriNIC Prefixes per ASN: 28.01
AfriNIC Region origin ASes announcing only one prefix: 649
AfriNIC Region transit ASes present in the Internet Routing Table: 363
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: 1290
Number of AfriNIC addresses announced to Internet: 105253376
Equivalent to 6 /8s, 70 /16s and 10 /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 10458 8754 95 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4871 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4334 531 282 BBIL-AP BHARTI Airtel Ltd., IN
18403 4257 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 13243 39700 4100 AMAZON-02, US
174 5654 8757 936 COGENT-174, US
11492 4704 312 588 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3396 3049 178 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
16625 3119 1311 2258 AKAMAI-AS, US
396982 2966 3651 474 GOOGLE-CLOUD-PLATFORM, US
36352 2737 225 834 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 7672 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4072 3396 140 AKAMAI-ASN1, NL
9009 3798 328 1978 M247, RO
12389 3075 2303 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2114 150 1552 CDNEXT, GB
8452 1941 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 12286 3262 698 UNINET, MX
10620 3518 485 996 Telmex Colombia S.A., CO
13999 2511 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 1100 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1058 70 380 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 1592 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 13243 39700 4100 AMAZON-02, US
8151 12286 3262 698 UNINET, MX
9808 10458 8754 95 CHINAMOBILE-CN China Mobile Communication
47331 9753 1296 1077 TTNET, TR
12479 7672 1714 145 UNI2-AS, ES
7545 6215 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5654 8757 936 COGENT-174, US
4538 4871 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4704 312 588 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 12286 11588 UNINET, MX
9808 10458 10363 CHINAMOBILE-CN China Mobile Communications Grou
47331 9753 8676 TTNET, TR
12479 7672 7527 UNI2-AS, ES
7545 6215 5559 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4871 4794 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5654 4718 COGENT-174, US
18403 4257 4232 FPT-AS-AP FPT Telecom Company, VN
11492 4704 4116 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
10.116.75.0/24 22884 TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
172.22.139.0/24 8151 UNINET, MX
172.22.243.0/24 8151 UNINET, 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
23.140.216.0/24 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 /14:1233 /15:2198 /16:14043 /17:8450 /18:14239
/19:25360 /20:45798 /21:54497 /22:115601 /23:109974 /24:636787
/25:586 /26:585 /27:1058 /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 6593 7672 UNI2-AS, ES
8151 6435 12286 UNINET, MX
11492 3531 4704 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2537 3396 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2349 13243 AMAZON-02, US
30036 2228 2568 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 3:630 4:25 5:4992 6:162
7:6 8:1664 9:1 10:1 11:172 12:1369
13:348 14:2558 15:355 16:282 17:369 18:921
20:524 21:4 22:188 23:7567 24:2908 25:2
27:2805 29:19 31:3311 32:51 34:84 35:211
36:2514 37:4812 38:10429 39:908 40:169 41:4779
42:1921 43:2632 44:381 45:20114 46:5109 47:298
49:1949 50:1917 51:590 52:1584 54:298 55:1027
56:11 57:265 58:2289 59:1433 60:1171 61:3027
62:3057 63:1841 64:5507 65:2215 66:4734 67:3124
68:1158 69:4008 70:1085 71:635 72:2937 74:2816
75:1626 76:618 77:2843 78:4356 79:1780 80:2238
81:2237 82:3234 83:1471 84:1871 85:4391 86:1057
87:2414 88:3544 89:4507 90:783 91:8468 92:2731
93:2923 94:4149 95:5604 96:1471 97:322 98:997
99:667 100:72 101:1422 102:4420 103:32585 104:4841
105:2232 106:1033 107:2635 108:1226 109:4137 110:2243
111:3366 112:2073 113:1829 114:1986 115:2266 116:2097
117:2741 118:2911 119:1970 120:1914 121:1441 122:2776
123:2411 124:1687 125:2897 126:91 128:1623 129:1038
130:1328 131:2077 132:894 133:451 134:1546 135:377
136:1310 137:1189 138:3225 139:1623 140:1586 141:1495
142:1950 143:1776 144:1096 145:509 146:2188 147:2101
148:2689 149:2964 150:1259 151:1799 152:2121 153:564
154:8629 155:1654 156:3427 157:1916 158:1299 159:2441
160:3697 161:1930 162:3774 163:2128 164:1762 165:2242
166:1454 167:1913 168:4346 169:822 170:5543 171:1012
172:4430 173:3288 174:909 175:1308 176:3805 177:6111
178:3877 179:3005 180:2670 181:4228 182:3394 183:2054
184:2151 185:21853 186:5778 187:5076 188:4332 189:4662
190:9865 191:2065 192:11281 193:9527 194:7900 195:5687
196:3695 197:3970 198:6246 199:8530 200:8745 201:6570
202:10855 203:10751 204:4576 205:3672 206:4680 207:3583
208:4259 209:5288 210:4895 211:2637 212:4712 213:3908
214:1031 215:48 216:6794 217:3214 218:1390 219:551
220:2093 221:1059 222:855 223:2368
End of report
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