[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UH (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Oct 20 22:25:42 UTC 2023
IPv4 R&E Routing Table Report 22:25 GMT Fri 20 Oct, 2023
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: 23050
Prefixes after maximum aggregation (per Origin AS): 12701
Deaggregation factor: 1.81
Unique aggregates announced (without unneeded subnets): 14680
Number of IPv4 prefixes with a valid ROA: 9911
Number of IPv4 prefixes with an invalid ROA: 12
Number of IPv4 prefixes with no ROA: 13127
Total ASes present in the Internet Routing Table: 2683
Prefixes per ASN: 8.59
Origin-only ASes present in the Internet Routing Table: 2312
Origin ASes announcing only one prefix: 1015
Transit ASes present in the Internet Routing Table: 371
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: 15
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 2
Number of instances of unregistered ASNs: 2
Number of 32-bit ASNs allocated by the RIRs: 42878
Number of 32-bit ASNs visible in the Routing Table: 625
Prefixes from 32-bit ASNs in the Routing Table: 1936
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: 12
Number of addresses announced to Internet: 283241268
Equivalent to 16 /8s, 225 /16s and 235 /24s
Percentage of available address space announced: 7.7
Percentage of allocated address space announced: 7.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 2955
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3947
Total APNIC prefixes after maximum aggregation: 1656
APNIC Deaggregation factor: 2.38
Prefixes being announced from the APNIC address blocks: 4063
Unique aggregates announced from the APNIC address blocks: 1989
APNIC Region origin ASes present in the Internet Routing Table: 443
APNIC Prefixes per ASN: 9.17
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: 5.1
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 193
Number of APNIC addresses announced to Internet: 33337900
Equivalent to 1 /8s, 252 /16s and 178 /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: 13085
Total ARIN prefixes after maximum aggregation: 7416
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 12706
Unique aggregates announced from the ARIN address blocks: 8487
ARIN Region origin ASes present in the Internet Routing Table: 1263
ARIN Prefixes per ASN: 10.06
ARIN Region origin ASes announcing only one prefix: 437
ARIN Region transit ASes present in the Internet Routing Table: 161
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 192
Number of ARIN addresses announced to Internet: 174798808
Equivalent to 10 /8s, 107 /16s and 55 /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, 393216-401308
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, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 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: 3660
Total RIPE prefixes after maximum aggregation: 2894
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3904
Unique aggregates announced from the RIPE address blocks: 3217
RIPE Region origin ASes present in the Internet Routing Table: 691
RIPE Prefixes per ASN: 5.65
RIPE Region origin ASes announcing only one prefix: 306
RIPE Region transit ASes present in the Internet Routing Table: 102
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 146
Number of RIPE addresses announced to Internet: 67527936
Equivalent to 4 /8s, 6 /16s and 101 /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,
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: 1482
Total LACNIC prefixes after maximum aggregation: 572
LACNIC Deaggregation factor: 2.59
Prefixes being announced from the LACNIC address blocks: 1488
Unique aggregates announced from the LACNIC address blocks: 775
LACNIC Region origin ASes present in the Internet Routing Table: 166
LACNIC Prefixes per ASN: 8.96
LACNIC Region origin ASes announcing only one prefix: 64
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 69
Number of LACNIC addresses announced to Internet: 4720688
Equivalent to 0 /8s, 72 /16s and 8 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 874
Total AfriNIC prefixes after maximum aggregation: 161
AfriNIC Deaggregation factor: 5.43
Prefixes being announced from the AfriNIC address blocks: 877
Unique aggregates announced from the AfriNIC address blocks: 200
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 18.27
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2786048
Equivalent to 0 /8s, 42 /16s and 131 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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 435 180 23 CSTNET-AS-AP Computer Network Informati
7575 351 330 126 AARNET-AS-AP Australian Academic and Re
1237 200 74 142 KREONET-AS-KR KISTI, KR
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 127 19 17 NKN-CORE-NW NKN Core Network, IN
4621 70 37 10 UNINET-AS-AP UNINET-, TH
24313 70 16 1 NSW-DET-AS NSW Department of Education,
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
4762 63 4 1 MAHIDOL-BORDER-AS Mahidol University, T
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 3555 4647 1568 AMAZON-02, US
14618 812 4020 613 AMAZON-AES, US
8075 387 12791 327 MICROSOFT-CORP-MSN-AS-BLOCK, US
668 203 636 172 DNIC-AS-00668, US
376 202 178 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2152 172 507 93 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
1 124 2 46 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
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
8895 164 24 5 ISU Internet Services Unit ISU, SA
559 113 533 105 SWITCH Peering requests: peering at switch
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 74 465 74 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
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 252 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 48 Red Universitaria Nacional, CL
271640 72 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 50 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 43 99 33 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 35 4 3 Universidad Autonoma Metropolitana, MX
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
2018 383 319 71 TENET-1, ZA
327687 166 28 3 RENU, UG
36914 83 82 3 KENET-AS, KE
8094 48 48 15 PUKNET, ZA
327700 42 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
37074 14 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 10 1 6 RwEdNet-AS, RW
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 3555 4647 1568 AMAZON-02, US
14618 812 4020 613 AMAZON-AES, US
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
8075 387 12791 327 MICROSOFT-CORP-MSN-AS-BLOCK, US
2018 383 319 71 TENET-1, ZA
7575 351 330 126 AARNET-AS-AP Australian Academic and Re
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 252 176 43 Rede Nacional de Ensino e Pesquisa, BR
668 203 636 172 DNIC-AS-00668, US
376 202 178 151 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 435 412 CSTNET-AS-AP Computer Network Information Cente
2018 383 312 TENET-1, ZA
7575 351 225 AARNET-AS-AP Australian Academic and Research N
1916 252 209 Rede Nacional de Ensino e Pesquisa, BR
14618 812 199 AMAZON-AES, US
5786 197 196 UPRENET, PR
327687 166 163 RENU, UG
8895 164 159 ISU Internet Services Unit ISU, SA
18558 141 137 NETBLK-RCOEK, US
55824 127 110 NKN-CORE-NW NKN Core Network, IN
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
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
45.42.252.0/22 Origin: 16509 AMAZON-02, US
45.42.252.0/22 Transit: 11537 INTERNET2-RESEARCH-EDU, US
64.186.3.0/24 Origin: 16509 AMAZON-02, US
64.186.3.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
134.208.0.0/16 Origin: 17711 NDHU-TW National Dong Hwa University, TW
134.208.0.0/16 Transit: 7539 TWAREN-TW National Center for High-perfo
170.39.88.0/24 Origin: 14618 AMAZON-AES, US
170.39.88.0/24 Transit: 16509 AMAZON-02, US
173.249.168.0/22 Origin: 16509 AMAZON-02, US
173.249.168.0/22 Transit: 11537 INTERNET2-RESEARCH-EDU, 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 /10:4 /11:9 /12:29
/13:36 /14:81 /15:203 /16:1962 /17:475 /18:467
/19:600 /20:970 /21:1012 /22:1672 /23:1726 /24:13393
/25:81 /26:56 /27:135 /28:35 /29:76 /30:16
/31:4 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 528 3555 AMAZON-02, US
14618 260 812 AMAZON-AES, US
8895 159 164 ISU Internet Services Unit ISU, SA
32440 81 111 LONI, US
8075 79 387 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 75 83 KENET-AS, KE
23024 52 113 OCDE, US
1 42 124 LVLT-1, US
1916 39 252 Rede Nacional de Ensino e Pesquisa, BR
327700 38 42 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 2:1 3:115 4:2 5:21 6:4
8:2 12:1 13:95 14:89 15:99 16:115
18:113 23:47 24:1 31:7 34:2 35:15
38:8 40:1 41:120 42:10 44:8 45:68
46:12 47:1 49:9 50:10 52:851 54:248
58:1 59:19 60:5 61:3 62:18 63:37
64:154 65:12 66:81 67:64 68:21 69:50
70:27 71:16 72:18 74:78 76:50 77:11
78:3 79:10 80:13 81:27 82:7 83:6
84:9 85:40 86:4 87:2 88:1 89:14
91:59 92:4 93:4 94:8 95:2 96:7
97:1 98:13 99:67 101:2 102:31 103:294
104:115 107:1 108:37 109:11 111:17 113:5
114:23 115:1 116:10 117:61 118:32 119:18
121:27 122:11 124:40 125:4 128:82 129:56
130:150 131:75 132:59 134:108 135:3 136:214
137:294 138:25 139:29 140:44 141:6 142:60
143:29 144:40 145:5 146:132 147:64 148:204
149:17 150:48 151:25 152:136 153:78 154:30
155:82 156:69 157:29 158:43 159:165 160:10
161:44 162:71 163:83 164:25 165:58 166:2
167:24 168:179 169:12 170:166 171:1 172:12
173:30 174:2 175:18 176:13 177:6 178:2
179:13 180:15 181:1 182:4 184:4 185:105
186:3 187:17 188:16 189:3 190:19 191:13
192:1503 193:315 194:140 195:65 196:199 197:3
198:524 199:342 200:330 201:38 202:462 203:446
204:390 205:163 206:217 207:192 208:125 209:144
210:191 211:14 212:169 213:17 214:8 216:175
217:10 218:22 219:1 220:16 222:2 223:14
End of report
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