[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun May 4 22:47:05 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sun 04 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: 1032945
Prefixes after maximum aggregation (per Origin AS): 381148
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479384
Total ASes present in the Internet Routing Table: 76964
Prefixes per ASN: 13.42
Origin-only ASes present in the Internet Routing Table: 66211
Origin ASes announcing only one prefix: 26380
Transit ASes present in the Internet Routing Table: 10753
Transit-only ASes present in the Internet Routing Table: 545
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: 1104
Number of instances of unregistered ASNs: 1107
Number of 32-bit ASNs allocated by the RIRs: 46334
Number of 32-bit ASNs visible in the Routing Table: 38255
Prefixes from 32-bit ASNs in the Routing Table: 212940
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: 474
Number of addresses announced to Internet: 3111787685
Equivalent to 185 /8s, 122 /16s and 28 /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: 349688
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265445
Total APNIC prefixes after maximum aggregation: 77483
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256449
Unique aggregates announced from the APNIC address blocks: 103344
APNIC Region origin ASes present in the Internet Routing Table: 14656
APNIC Prefixes per ASN: 17.50
APNIC Region origin ASes announcing only one prefix: 4461
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: 44
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10143
Number of APNIC addresses announced to Internet: 749355584
Equivalent to 44 /8s, 170 /16s and 66 /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: 297114
Total ARIN prefixes after maximum aggregation: 131369
ARIN Deaggregation factor: 2.26
Prefixes being announced from the ARIN address blocks: 297971
Unique aggregates announced from the ARIN address blocks: 138466
ARIN Region origin ASes present in the Internet Routing Table: 19264
ARIN Prefixes per ASN: 15.47
ARIN Region origin ASes announcing only one prefix: 7024
ARIN Region transit ASes present in the Internet Routing Table: 1916
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: 5206
Number of ARIN addresses announced to Internet: 1353419264
Equivalent to 80 /8s, 171 /16s and 138 /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: 290899
Total RIPE prefixes after maximum aggregation: 135157
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288446
Unique aggregates announced from the RIPE address blocks: 174333
RIPE Region origin ASes present in the Internet Routing Table: 28973
RIPE Prefixes per ASN: 9.96
RIPE Region origin ASes announcing only one prefix: 12022
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: 731606117
Equivalent to 43 /8s, 155 /16s and 108 /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: 138930
Total LACNIC prefixes after maximum aggregation: 29617
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135567
Unique aggregates announced from the LACNIC address blocks: 48922
LACNIC Region origin ASes present in the Internet Routing Table: 11233
LACNIC Prefixes per ASN: 12.07
LACNIC Region origin ASes announcing only one prefix: 2226
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: 9181
Number of LACNIC addresses announced to Internet: 171848192
Equivalent to 10 /8s, 62 /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: 39453
Total AfriNIC prefixes after maximum aggregation: 6877
AfriNIC Deaggregation factor: 5.74
Prefixes being announced from the AfriNIC address blocks: 54037
Unique aggregates announced from the AfriNIC address blocks: 13928
AfriNIC Region origin ASes present in the Internet Routing Table: 1917
AfriNIC Prefixes per ASN: 28.19
AfriNIC Region origin ASes announcing only one prefix: 647
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: 1285
Number of AfriNIC addresses announced to Internet: 105334016
Equivalent to 6 /8s, 71 /16s and 69 /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 4335 531 281 BBIL-AP BHARTI Airtel Ltd., IN
18403 4325 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 13300 40823 4414 AMAZON-02, US
174 5576 8755 926 COGENT-174, US
11492 4711 312 591 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3380 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54863 2505 DNIC-AS-00749, US
16625 3123 1316 2260 AKAMAI-AS, US
396982 2956 3657 470 GOOGLE-CLOUD-PLATFORM, US
36352 2772 227 850 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 7724 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4079 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 2125 151 1567 CDNEXT, GB
8452 1943 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 12337 3261 685 UNINET, MX
10620 3522 486 994 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1995 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 1433 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 13300 40823 4414 AMAZON-02, US
8151 12337 3261 685 UNINET, MX
9808 10456 8754 95 CHINAMOBILE-CN China Mobile Communication
47331 9753 1296 1077 TTNET, TR
12479 7724 1714 148 UNI2-AS, ES
7545 6216 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5576 8755 926 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 12337 11652 UNINET, MX
9808 10456 10361 CHINAMOBILE-CN China Mobile Communications Grou
47331 9753 8676 TTNET, TR
12479 7724 7576 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 5576 4650 COGENT-174, US
18403 4325 4300 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 /14:1233 /15:2199 /16:14107 /17:8454 /18:14247
/19:25355 /20:45831 /21:54483 /22:115620 /23:109882 /24:637226
/25:582 /26:591 /27:1060 /28:67 /29:105 /30:20
/31:2 /32:831
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8832 9753 TTNET, TR
12479 6646 7724 UNI2-AS, ES
8151 6486 12337 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 2528 3380 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2335 13300 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)
----------------------------------------------
1:2377 2:1534 3:668 4:25 5:5001 6:162
7:6 8:1656 9:1 11:172 12:1369 13:365
14:2559 15:354 16:282 17:369 18:917 20:526
21:4 22:188 23:7575 24:2904 25:2 27:2810
29:19 31:3326 32:51 33:1 34:84 35:209
36:2514 37:4804 38:10396 39:908 40:167 41:4723
42:1976 43:2618 44:379 45:20137 46:5110 47:298
49:1951 50:1904 51:590 52:1585 54:302 55:1083
56:11 57:266 58:2289 59:1431 60:1169 61:3028
62:3052 63:1844 64:5531 65:2200 66:4743 67:3124
68:1166 69:4009 70:1110 71:632 72:2955 74:2815
75:1628 76:618 77:2838 78:4354 79:1778 80:2241
81:2223 82:3257 83:1480 84:1873 85:4397 86:1057
87:2428 88:3547 89:4512 90:786 91:8468 92:2744
93:2922 94:4167 95:5612 96:1473 97:322 98:998
99:671 100:72 101:1428 102:4410 103:32556 104:4841
105:2232 106:1045 107:2637 108:1220 109:4138 110:2245
111:3366 112:2074 113:1829 114:1985 115:2263 116:2099
117:2741 118:2903 119:1972 120:1912 121:1439 122:2780
123:2412 124:1690 125:2886 126:91 128:1624 129:1030
130:1334 131:2091 132:889 133:451 134:1549 135:377
136:1310 137:1175 138:3241 139:1632 140:1589 141:1496
142:1948 143:1803 144:1097 145:510 146:2185 147:2103
148:2695 149:2953 150:1267 151:1825 152:2126 153:564
154:8660 155:1677 156:3518 157:1922 158:1300 159:2446
160:3688 161:1929 162:3751 163:2140 164:1760 165:2241
166:1472 167:1924 168:4365 169:818 170:5552 171:1012
172:4439 173:3288 174:912 175:1309 176:3802 177:6153
178:3874 179:2744 180:2677 181:4229 182:3394 183:2062
184:2152 185:21839 186:5824 187:5073 188:4342 189:4657
190:9950 191:2078 192:11281 193:9527 194:7901 195:5698
196:3686 197:3973 198:6254 199:8522 200:8778 201:6588
202:10859 203:10748 204:4571 205:3669 206:4669 207:3584
208:4292 209:5292 210:4899 211:2637 212:4710 213:3835
214:1030 215:48 216:6805 217:3221 218:1390 219:551
220:2094 221:1058 222:855 223:2368
End of report
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