[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UH (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Dec 19 22:25:50 UTC 2024
IPv4 R&E Routing Table Report 22:25 GMT Thu 19 Dec, 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: 24332
Prefixes after maximum aggregation (per Origin AS): 13600
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 15871
Number of IPv4 prefixes with a valid ROA: 13244
Number of IPv4 prefixes with an invalid ROA: 26
Number of IPv4 prefixes with no ROA: 11062
Total ASes present in the Internet Routing Table: 2679
Prefixes per ASN: 9.08
Origin-only ASes present in the Internet Routing Table: 2303
Origin ASes announcing only one prefix: 1022
Transit ASes present in the Internet Routing Table: 376
Transit-only ASes present in the Internet Routing Table: 74
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.2
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: 45976
Number of 32-bit ASNs visible in the Routing Table: 650
Prefixes from 32-bit ASNs in the Routing Table: 1754
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: 9
Number of addresses announced to Internet: 296328808
Equivalent to 17 /8s, 169 /16s and 158 /24s
Percentage of available address space announced: 8.0
Percentage of allocated address space announced: 8.0
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: 3534
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3808
Total APNIC prefixes after maximum aggregation: 1592
APNIC Deaggregation factor: 2.39
Prefixes being announced from the APNIC address blocks: 3985
Unique aggregates announced from the APNIC address blocks: 1997
APNIC Region origin ASes present in the Internet Routing Table: 427
APNIC Prefixes per ASN: 9.33
APNIC Region origin ASes announcing only one prefix: 183
APNIC Region transit ASes present in the Internet Routing Table: 53
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: 183
Number of APNIC addresses announced to Internet: 33241896
Equivalent to 1 /8s, 251 /16s and 59 /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 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: 14411
Total ARIN prefixes after maximum aggregation: 8395
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 13735
Unique aggregates announced from the ARIN address blocks: 9447
ARIN Region origin ASes present in the Internet Routing Table: 1300
ARIN Prefixes per ASN: 10.57
ARIN Region origin ASes announcing only one prefix: 452
ARIN Region transit ASes present in the Internet Routing Table: 155
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: 213
Number of ARIN addresses announced to Internet: 175054960
Equivalent to 10 /8s, 111 /16s and 32 /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: 3629
Total RIPE prefixes after maximum aggregation: 2902
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 4105
Unique aggregates announced from the RIPE address blocks: 3484
RIPE Region origin ASes present in the Internet Routing Table: 671
RIPE Prefixes per ASN: 6.12
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 110
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: 80823680
Equivalent to 4 /8s, 209 /16s and 69 /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: 1350
Total LACNIC prefixes after maximum aggregation: 536
LACNIC Deaggregation factor: 2.52
Prefixes being announced from the LACNIC address blocks: 1359
Unique aggregates announced from the LACNIC address blocks: 708
LACNIC Region origin ASes present in the Internet Routing Table: 154
LACNIC Prefixes per ASN: 8.82
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64
Number of LACNIC addresses announced to Internet: 4658000
Equivalent to 0 /8s, 71 /16s and 19 /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: 1133
Total AfriNIC prefixes after maximum aggregation: 174
AfriNIC Deaggregation factor: 6.51
Prefixes being announced from the AfriNIC address blocks: 1139
Unique aggregates announced from the AfriNIC address blocks: 226
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 21.90
AfriNIC Region origin ASes announcing only one prefix: 32
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 31
Number of AfriNIC addresses announced to Internet: 2546176
Equivalent to 0 /8s, 38 /16s and 218 /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
7497 445 180 24 CSTNET-AS-AP Computer Network Information
7575 334 314 122 AARNET-AS-AP Australian Academic and Rese
1237 194 74 145 KREONET-AS-KR KISTI, KR
55824 146 19 20 NKN-CORE-NW NKN Core Network, IN
4538 138 4192 71 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
24313 70 16 1 NSW-DET-AS NSW Department of Education, A
4621 69 37 10 UNINET-AS-AP UNINET-, TH
2697 59 4 34 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 4058 4919 1963 AMAZON-02, US
14618 1013 4485 770 AMAZON-AES, US
8075 709 16016 597 MICROSOFT-CORP-MSN-AS-BLOCK, US
668 205 646 174 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2920 173 34 7 LACOE, US
2152 150 507 98 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
1 128 2 49 LVLT-1, 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
680 284 1899 249 DFN Verein zur Foerderung eines Deutschen
786 185 1767 182 JANET Jisc Services Limited, GB
8895 132 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 96 1743 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
8987 82 227 59 AMAZON EXPANSION, IE
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
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 218 178 43 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
61468 53 5 18 CEDIA, EC
2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 16 1 Red de Interconexion Universitaria, AR
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
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 536 82 3 KENET-AS, KE
2018 378 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
327700 16 16 1 MoRENet, MZ
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37654 6 0 5 RwEdNet-AS, RW
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 4058 4919 1963 AMAZON-02, US
14618 1013 4485 770 AMAZON-AES, US
8075 709 16016 597 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 536 82 3 KENET-AS, KE
7497 445 180 24 CSTNET-AS-AP Computer Network Information
2018 378 319 71 TENET-1, ZA
7575 334 314 122 AARNET-AS-AP Australian Academic and Rese
680 284 1899 249 DFN Verein zur Foerderung eines Deutschen
1916 218 178 43 Rede Nacional de Ensino e Pesquisa, BR
668 205 646 174 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 536 533 KENET-AS, KE
7497 445 421 CSTNET-AS-AP Computer Network Information Cente
2018 378 307 TENET-1, ZA
14618 1013 243 AMAZON-AES, US
7575 334 212 AARNET-AS-AP Australian Academic and Research N
5786 198 197 UPRENET, PR
1916 218 175 Rede Nacional de Ensino e Pesquisa, BR
2920 173 166 LACOE, US
18558 140 136 NETBLK-RCOEK, US
8895 132 127 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
64.186.3.0/24 Origin: 16509 AMAZON-02, US
64.186.3.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
103.165.160.0/24 Origin: 16509 AMAZON-02, US
103.165.160.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
192.225.212.0/24 Origin: 14618 AMAZON-AES, US
192.225.212.0/24 Transit: 16509 AMAZON-02, US
192.225.223.0/24 Origin: 14618 AMAZON-AES, US
192.225.223.0/24 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 /15:212 /16:2083 /17:475 /18:491
/19:632 /20:977 /21:1092 /22:1654 /23:1782 /24:14472
/25:40 /26:60 /27:95 /28:25 /29:63 /30:6
/31:0 /32:3
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 675 4058 AMAZON-02, US
36914 512 536 KENET-AS, KE
14618 320 1013 AMAZON-AES, US
8075 127 709 MICROSOFT-CORP-MSN-AS-BLOCK, US
8895 127 132 ISU Internet Services Unit ISU, SA
1916 60 218 Rede Nacional de Ensino e Pesquisa, BR
1 42 128 LVLT-1, US
23024 37 97 OCDE, US
32440 36 61 LONI, US
3267 34 77 NIKS, RU
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 2:1 3:169 4:2 5:21 6:4
8:2 12:2 13:87 14:93 15:103 16:129
18:154 23:51 24:1 31:4 35:46 37:8
38:11 40:5 41:224 42:11 44:4 45:84
46:11 47:1 49:10 50:11 52:835 54:178
58:1 59:19 60:5 61:3 62:14 63:39
64:152 65:25 66:100 67:69 68:28 69:65
70:22 71:16 72:19 74:83 75:1 76:49
77:12 78:3 79:10 80:12 81:27 82:8
83:7 84:8 85:49 86:5 87:2 88:1
89:21 91:58 92:6 93:45 94:6 95:3
96:7 97:1 98:14 99:68 101:1 102:16
103:277 104:135 107:8 108:38 109:7 111:18
113:5 114:24 115:1 116:14 117:66 118:33
119:23 121:28 122:11 124:41 125:5 128:83
129:41 130:167 131:79 132:64 134:109 135:6
136:225 137:205 138:80 139:29 140:50 141:14
142:66 143:35 144:43 145:8 146:141 147:76
148:206 149:20 150:48 151:38 152:142 153:78
154:40 155:112 156:134 157:39 158:47 159:170
160:12 161:52 162:78 163:68 164:29 165:76
166:7 167:23 168:174 169:15 170:197 171:1
172:19 173:37 174:2 175:5 176:5 177:6
178:3 179:14 180:16 181:1 182:6 184:11
185:114 186:3 187:22 188:17 189:3 190:18
191:13 192:1561 193:297 194:133 195:80 196:146
197:324 198:547 199:373 200:185 201:37 202:466
203:467 204:424 205:173 206:248 207:269 208:141
209:152 210:203 211:3 212:176 213:24 214:8
216:220 217:16 218:23 219:2 220:16 222:2
223:15
End of report
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