[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UH (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Nov 9 22:25:58 UTC 2024
IPv4 R&E Routing Table Report 22:25 GMT Sat 09 Nov, 2024
IPv4 BGP Table (R&E) as seen at UH.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/UniHawaii/
Analysis Summary
----------------
BGP routing table entries examined: 24488
Prefixes after maximum aggregation (per Origin AS): 13538
Deaggregation factor: 1.81
Unique aggregates announced (without unneeded subnets): 15810
Number of IPv4 prefixes with a valid ROA: 13152
Number of IPv4 prefixes with an invalid ROA: 29
Number of IPv4 prefixes with no ROA: 11307
Total ASes present in the Internet Routing Table: 2687
Prefixes per ASN: 9.11
Origin-only ASes present in the Internet Routing Table: 2313
Origin ASes announcing only one prefix: 1011
Transit ASes present in the Internet Routing Table: 374
Transit-only ASes present in the Internet Routing Table: 71
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 20
Max AS path prepend of ASN (395156) 12
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: 666
Prefixes from 32-bit ASNs in the Routing Table: 1861
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: 296321512
Equivalent to 17 /8s, 169 /16s and 129 /24s
Percentage of available address space announced: 8.0
Percentage of allocated address space announced: 6.2
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: 11936
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3853
Total APNIC prefixes after maximum aggregation: 1624
APNIC Deaggregation factor: 2.37
Prefixes being announced from the APNIC address blocks: 285
Unique aggregates announced from the APNIC address blocks: 188
APNIC Region origin ASes present in the Internet Routing Table: 446
APNIC Prefixes per ASN: 0.64
APNIC Region origin ASes announcing only one prefix: 183
APNIC Region transit ASes present in the Internet Routing Table: 54
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 203
Number of APNIC addresses announced to Internet: 3391232
Equivalent to 0 /8s, 51 /16s and 191 /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: 14447
Total ARIN prefixes after maximum aggregation: 8316
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 5455
Unique aggregates announced from the ARIN address blocks: 4142
ARIN Region origin ASes present in the Internet Routing Table: 1295
ARIN Prefixes per ASN: 4.21
ARIN Region origin ASes announcing only one prefix: 448
ARIN Region transit ASes present in the Internet Routing Table: 157
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 215
Number of ARIN addresses announced to Internet: 28992512
Equivalent to 1 /8s, 186 /16s and 100 /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: 3610
Total RIPE prefixes after maximum aggregation: 2888
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 911
Unique aggregates announced from the RIPE address blocks: 869
RIPE Region origin ASes present in the Internet Routing Table: 672
RIPE Prefixes per ASN: 1.36
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 108
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 159
Number of RIPE addresses announced to Internet: 11212288
Equivalent to 0 /8s, 171 /16s and 22 /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: 1524
Total LACNIC prefixes after maximum aggregation: 541
LACNIC Deaggregation factor: 2.82
Prefixes being announced from the LACNIC address blocks: 251
Unique aggregates announced from the LACNIC address blocks: 196
LACNIC Region origin ASes present in the Internet Routing Table: 154
LACNIC Prefixes per ASN: 1.63
LACNIC Region origin ASes announcing only one prefix: 51
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62
Number of LACNIC addresses announced to Internet: 921600
Equivalent to 0 /8s, 14 /16s and 16 /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: 1053
Total AfriNIC prefixes after maximum aggregation: 168
AfriNIC Deaggregation factor: 6.27
Prefixes being announced from the AfriNIC address blocks: 82
Unique aggregates announced from the AfriNIC address blocks: 49
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 1.71
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: 5.5
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: 604160
Equivalent to 0 /8s, 9 /16s and 56 /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
7497 447 180 24 CSTNET-AS-AP Computer Network Information
7575 333 330 121 AARNET-AS-AP Australian Academic and Rese
1237 194 74 145 KREONET-AS-KR KISTI, KR
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
24313 70 16 1 NSW-DET-AS NSW Department of Education, A
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 4002 4978 1913 AMAZON-02, US
14618 1018 4444 769 AMAZON-AES, US
8075 682 16014 573 MICROSOFT-CORP-MSN-AS-BLOCK, US
668 205 648 174 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2920 175 34 7 LACOE, US
2152 151 507 98 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
81 134 517 33 NCREN, US
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/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/UniHawaii/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 110 25 53 Red Universitaria Nacional, CL
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 51 5 17 CEDIA, EC
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/UniHawaii/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 449 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/UniHawaii/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 4002 4978 1913 AMAZON-02, US
14618 1018 4444 769 AMAZON-AES, US
8075 682 16014 573 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 449 82 3 KENET-AS, KE
7497 447 180 24 CSTNET-AS-AP Computer Network Information
2018 381 319 71 TENET-1, ZA
7575 333 330 121 AARNET-AS-AP Australian Academic and Rese
1916 292 178 44 Rede Nacional de Ensino e Pesquisa, BR
680 281 1899 248 DFN Verein zur Foerderung eines Deutschen
668 205 648 174 DNIC-AS-00668, US
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 449 446 KENET-AS, KE
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
2018 381 310 TENET-1, ZA
14618 1018 249 AMAZON-AES, US
1916 292 248 Rede Nacional de Ensino e Pesquisa, BR
7575 333 212 AARNET-AS-AP Australian Academic and Research N
5786 197 196 UPRENET, PR
2920 175 168 LACOE, US
18558 140 136 NETBLK-RCOEK, US
8895 133 128 ISU Internet Services Unit ISU, SA
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/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/UniHawaii/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/UniHawaii/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 /10:3 /11:9 /12:32
/13:41 /14:84 /15:211 /16:2084 /17:474 /18:492
/19:628 /20:971 /21:1081 /22:1678 /23:1785 /24:14603
/25:48 /26:67 /27:95 /28:28 /29:63 /30:7
/31:0 /32:3
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 3572 4002 AMAZON-02, US
14618 720 1018 AMAZON-AES, US
8075 374 682 MICROSOFT-CORP-MSN-AS-BLOCK, US
7497 263 447 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS, CN
7575 208 333 AARNET-AS-AP Australian Academic and Research Network AARNet, AU
5786 196 197 UPRENET, PR
28391 154 154 Universidad Juarez Autonoma de Tabasco, MX
1 126 128 LVLT-1, US
36914 126 449 KENET-AS, KE
55824 124 131 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 2:1 3:166 4:2 5:21 6:4
8:2 12:1 13:86 14:92 15:102 16:129
18:156 23:51 24:1 31:3 34:2 35:27
37:8 38:10 40:6 41:158 42:11 44:6
45:82 46:11 47:1 49:10 50:13 52:836
54:178 58:1 59:19 60:6 61:3 62:16
63:39 64:147 65:20 66:96 67:71 68:27
69:62 70:25 71:16 72:20 74:86 75:1
76:50 77:12 78:3 79:10 80:12 81:26
82:7 83:7 84:8 85:49 86:5 87:2
88:1 89:19 91:59 92:6 93:45 94:6
95:3 96:7 97:1 98:14 99:68 101:1
102:14 103:314 104:129 107:7 108:41 109:6
111:17 113:6 114:24 115:1 116:14 117:66
118:33 119:23 121:28 122:11 124:42 125:5
128:83 129:41 130:170 131:75 132:64 134:178
135:6 136:224 137:206 138:80 139:30 140:50
141:13 142:78 143:34 144:46 145:8 146:138
147:76 148:206 149:18 150:48 151:38 152:151
153:78 154:39 155:109 156:136 157:41 158:43
159:171 160:9 161:48 162:76 163:67 164:29
165:77 166:7 167:24 168:175 169:15 170:194
171:1 172:19 173:34 174:2 175:5 176:5
177:6 178:3 179:14 180:16 182:6 184:10
185:119 186:3 187:21 188:16 189:2 190:18
191:13 192:1559 193:298 194:133 195:77 196:146
197:323 198:546 199:371 200:332 201:37 202:465
203:464 204:426 205:172 206:245 207:272 208:141
209:152 210:202 211:3 212:175 213:23 214:8
216:216 217:13 218:21 219:1 220:17 222:2
223:15
End of report
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