[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Nov 9 22:10:56 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Sat 09 Nov, 2024
IPv4 BGP Table (R&E) as seen at CEDIA.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/
Analysis Summary
----------------
BGP routing table entries examined: 26444
Prefixes after maximum aggregation (per Origin AS): 13024
Deaggregation factor: 2.03
Unique aggregates announced (without unneeded subnets): 14807
Number of IPv4 prefixes with a valid ROA: 14726
Number of IPv4 prefixes with an invalid ROA: 140
Number of IPv4 prefixes with no ROA: 11578
Total ASes present in the Internet Routing Table: 2790
Prefixes per ASN: 9.48
Origin-only ASes present in the Internet Routing Table: 2411
Origin ASes announcing only one prefix: 1066
Transit ASes present in the Internet Routing Table: 379
Transit-only ASes present in the Internet Routing Table: 66
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 29
Max AS path prepend of ASN (138136) 20
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 45822
Number of 32-bit ASNs visible in the Routing Table: 694
Prefixes from 32-bit ASNs in the Routing Table: 4868
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 2
Number of addresses announced to Internet: 241092682
Equivalent to 14 /8s, 94 /16s and 200 /24s
Percentage of available address space announced: 6.5
Percentage of allocated address space announced: 5.1
Percentage of available address space allocated: 128.7
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 13750
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4727
Total APNIC prefixes after maximum aggregation: 2312
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 500
Unique aggregates announced from the APNIC address blocks: 405
APNIC Region origin ASes present in the Internet Routing Table: 587
APNIC Prefixes per ASN: 0.85
APNIC Region origin ASes announcing only one prefix: 244
APNIC Region transit ASes present in the Internet Routing Table: 60
Average APNIC Region AS path length visible: 5.7
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 234
Number of APNIC addresses announced to Internet: 7141952
Equivalent to 0 /8s, 108 /16s and 250 /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, 131072-153913
APNIC Address Blocks 43/8, 45/8, 146/8, 150/8, 160/8, 163/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 15466
Total ARIN prefixes after maximum aggregation: 7016
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 5051
Unique aggregates announced from the ARIN address blocks: 3662
ARIN Region origin ASes present in the Internet Routing Table: 1265
ARIN Prefixes per ASN: 3.99
ARIN Region origin ASes announcing only one prefix: 445
ARIN Region transit ASes present in the Internet Routing Table: 155
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 216
Number of ARIN addresses announced to Internet: 26859776
Equivalent to 1 /8s, 153 /16s and 217 /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 66/8, 139/8, 144/8, 149/8, 162/8, 192/8, 198/8,
199/8, 204/8, 205/8, 207/8, 208/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 3613
Total RIPE prefixes after maximum aggregation: 2905
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 879
Unique aggregates announced from the RIPE address blocks: 838
RIPE Region origin ASes present in the Internet Routing Table: 674
RIPE Prefixes per ASN: 1.30
RIPE Region origin ASes announcing only one prefix: 302
RIPE Region transit ASes present in the Internet Routing Table: 107
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 159
Number of RIPE addresses announced to Internet: 10152960
Equivalent to 0 /8s, 154 /16s and 236 /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 152/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 1583
Total LACNIC prefixes after maximum aggregation: 622
LACNIC Deaggregation factor: 2.55
Prefixes being announced from the LACNIC address blocks: 268
Unique aggregates announced from the LACNIC address blocks: 204
LACNIC Region origin ASes present in the Internet Routing Table: 149
LACNIC Prefixes per ASN: 1.80
LACNIC Region origin ASes announcing only one prefix: 46
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 58
Number of LACNIC addresses announced to Internet: 917319
Equivalent to 0 /8s, 13 /16s and 255 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks 128/8, 216/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1054
Total AfriNIC prefixes after maximum aggregation: 168
AfriNIC Deaggregation factor: 6.27
Prefixes being announced from the AfriNIC address blocks: 81
Unique aggregates announced from the AfriNIC address blocks: 48
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 1.69
AfriNIC Region origin ASes announcing only one prefix: 29
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 603648
Equivalent to 0 /8s, 9 /16s and 54 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 161/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 600 2170 465 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
1237 193 74 145 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 131 18 18 NKN-CORE-NW NKN Core Network, IN
4538 130 4192 72 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 70 37 11 UNINET-AS-AP UNINET-, TH
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2866 3654 420 GOOGLE-CLOUD-PLATFORM, US
16509 2365 1749 1062 AMAZON-02, US
14618 1017 4444 768 AMAZON-AES, US
15169 904 2007 68 GOOGLE, US
376 201 162 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2920 175 34 7 LACOE, US
2152 150 507 97 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
81 134 517 33 NCREN, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 281 1899 248 DFN Verein zur Foerderung eines Deutschen
786 186 1767 183 JANET Jisc Services Limited, GB
8895 133 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 97 1759 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 77 26 67 NIKS, RU
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 292 178 44 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 119 25 57 Red Universitaria Nacional, CL
27947 98 0 81 Telconet S.A, EC
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 47 16 2 Red de Interconexion Universitaria, AR
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 450 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 33 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 15 8 2 UG-AS, GH
327700 15 16 1 MoRENet, MZ
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2866 3654 420 GOOGLE-CLOUD-PLATFORM, US
16509 2365 1749 1062 AMAZON-02, US
14618 1017 4444 768 AMAZON-AES, US
15169 904 2007 68 GOOGLE, US
2907 600 2170 465 SINET-AS Research Organization of Informa
36914 450 82 3 KENET-AS, KE
7497 447 180 24 CSTNET-AS-AP Computer Network Information
2018 381 319 71 TENET-1, ZA
1916 292 178 44 Rede Nacional de Ensino e Pesquisa, BR
680 281 1899 248 DFN Verein zur Foerderung eines Deutschen
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
16509 2365 1303 AMAZON-02, US
15169 904 836 GOOGLE, US
36914 450 447 KENET-AS, KE
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
2018 381 310 TENET-1, ZA
14618 1017 249 AMAZON-AES, US
1916 292 248 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
2920 175 168 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
204.153.219.0/24 Origin: 14618 AMAZON-AES, US
204.153.219.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:1 /10:1 /11:4 /12:20
/13:37 /14:81 /15:158 /16:2095 /17:533 /18:521
/19:752 /20:2797 /21:1099 /22:1668 /23:1779 /24:14587
/25:52 /26:75 /27:37 /28:19 /29:64 /30:28
/31:31 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
396982 2658 2866 GOOGLE-CLOUD-PLATFORM, US
16509 2147 2365 AMAZON-02, US
15169 814 904 GOOGLE, US
14618 719 1017 AMAZON-AES, US
7497 263 447 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS, CN
5786 196 197 UPRENET, PR
28391 154 154 Universidad Juarez Autonoma de Tabasco, MX
58647 149 180 KAGAWAU-AS Kagawa University, JP
36914 127 450 KENET-AS, KE
55824 124 131 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:103 5:22 8:28 12:1 13:47
14:92 15:73 16:119 18:84 23:111 24:3
31:5 34:22 35:49 36:1 37:8 38:10
40:5 41:159 42:11 43:2 44:6 45:69
46:10 47:1 49:10 50:7 52:551 54:163
57:5 59:19 60:6 61:3 62:10 63:36
64:154 65:20 66:84 67:67 68:18 69:41
70:41 71:3 72:13 74:153 75:1 76:47
77:12 78:3 79:10 80:13 81:25 82:7
83:7 84:8 85:51 86:5 87:4 88:1
89:21 91:55 92:7 93:45 94:2 95:2
96:7 97:1 98:11 99:48 101:2 102:13
103:362 104:227 107:37 108:112 109:7 111:20
113:2 114:32 115:1 116:11 117:62 118:33
119:23 121:28 122:8 123:8 124:42 125:5
128:55 129:40 130:149 131:63 132:65 133:154
134:177 135:3 136:304 137:66 138:60 139:18
140:43 141:9 142:328 143:26 144:44 145:3
146:147 147:75 148:203 149:17 150:41 151:38
152:151 153:14 154:39 155:85 156:142 157:36
158:38 159:153 160:32 161:31 162:87 163:67
164:21 165:68 166:3 167:21 168:173 169:14
170:154 171:1 172:115 173:111 174:2 175:16
176:2 177:6 178:1 179:10 180:16 182:11
184:8 185:110 186:3 187:17 188:18 189:2
190:3 191:13 192:1512 193:292 194:121 195:74
196:146 197:323 198:488 199:325 200:323 201:33
202:642 203:441 204:402 205:157 206:231 207:254
208:148 209:195 210:218 211:3 212:168 213:17
216:205 217:12 218:21 219:5 220:17 222:2
223:15
End of report
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