[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Aug 24 21:05:45 UTC 2023
IPv4 R&E Routing Table Report 21:05 GMT Thu 24 Aug, 2023
IPv4 BGP Table (R&E) as seen at AARNET (Brisbane).
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AARNET-Brisbane/
Analysis Summary
----------------
BGP routing table entries examined: 17796
Prefixes after maximum aggregation (per Origin AS): 9976
Deaggregation factor: 1.78
Unique aggregates announced (without unneeded subnets): 10981
Number of IPv4 prefixes with a valid ROA: 4896
Number of IPv4 prefixes with an invalid ROA: 18
Number of IPv4 prefixes with no ROA: 12882
Total ASes present in the Internet Routing Table: 2581
Prefixes per ASN: 6.90
Origin-only ASes present in the Internet Routing Table: 2213
Origin ASes announcing only one prefix: 985
Transit ASes present in the Internet Routing Table: 368
Transit-only ASes present in the Internet Routing Table: 79
Paths with bogon ASNs present in the IPv4 Routing Table: 58
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 15
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 42500
Number of 32-bit ASNs visible in the Routing Table: 573
Prefixes from 32-bit ASNs in the Routing Table: 1797
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: 198957312
Equivalent to 11 /8s, 219 /16s and 217 /24s
Percentage of available address space announced: 5.4
Percentage of allocated address space announced: 5.4
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: 1913
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4386
Total APNIC prefixes after maximum aggregation: 2165
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4385
Unique aggregates announced from the APNIC address blocks: 2473
APNIC Region origin ASes present in the Internet Routing Table: 487
APNIC Prefixes per ASN: 9.00
APNIC Region origin ASes announcing only one prefix: 205
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 173
Number of APNIC addresses announced to Internet: 45267968
Equivalent to 2 /8s, 178 /16s and 188 /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: 7348
Total ARIN prefixes after maximum aggregation: 4240
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 7360
Unique aggregates announced from the ARIN address blocks: 4640
ARIN Region origin ASes present in the Internet Routing Table: 1135
ARIN Prefixes per ASN: 6.48
ARIN Region origin ASes announcing only one prefix: 397
ARIN Region transit ASes present in the Internet Routing Table: 152
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 178
Number of ARIN addresses announced to Internet: 88963072
Equivalent to 5 /8s, 77 /16s and 120 /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: 3544
Total RIPE prefixes after maximum aggregation: 2827
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3533
Unique aggregates announced from the RIPE address blocks: 2858
RIPE Region origin ASes present in the Internet Routing Table: 669
RIPE Prefixes per ASN: 5.28
RIPE Region origin ASes announcing only one prefix: 298
RIPE Region transit ASes present in the Internet Routing Table: 105
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 134
Number of RIPE addresses announced to Internet: 57789440
Equivalent to 3 /8s, 113 /16s and 204 /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: 1459
Total LACNIC prefixes after maximum aggregation: 568
LACNIC Deaggregation factor: 2.57
Prefixes being announced from the LACNIC address blocks: 1460
Unique aggregates announced from the LACNIC address blocks: 783
LACNIC Region origin ASes present in the Internet Routing Table: 162
LACNIC Prefixes per ASN: 9.01
LACNIC Region origin ASes announcing only one prefix: 62
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: 65
Number of LACNIC addresses announced to Internet: 4233984
Equivalent to 0 /8s, 64 /16s and 155 /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: 1056
Total AfriNIC prefixes after maximum aggregation: 173
AfriNIC Deaggregation factor: 6.10
Prefixes being announced from the AfriNIC address blocks: 1056
Unique aggregates announced from the AfriNIC address blocks: 225
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 22.47
AfriNIC Region origin ASes announcing only one prefix: 23
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: 23
Number of AfriNIC addresses announced to Internet: 2637056
Equivalent to 0 /8s, 40 /16s and 61 /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
2907 593 2163 465 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
7575 352 330 126 AARNET-AS-AP Australian Academic and Re
1237 191 74 139 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 125 18 17 NKN-CORE-NW NKN Core Network, IN
24313 70 16 1 NSW-DET-AS NSW Department of Education,
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
1659 51 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2152 315 507 93 CSUNET-NW, US
376 202 178 150 RISQ-AS, CA
668 200 648 170 DNIC-AS-00668, US
5786 196 16 1 UPRENET, PR
18558 136 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
23024 113 7 17 OCDE, US
2920 107 34 7 LACOE, US
21976 82 51 18 NJEDGE-NET, US
1736 79 16 1 MU-AS, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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 136 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/AARNET-Brisbane/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 221 176 42 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 73 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo
4270 49 16 1 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 34 4 3 Universidad Autonoma Metropolitana, MX
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 371 319 71 TENET-1, ZA
36914 263 82 3 KENET-AS, KE
327687 166 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 41 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 11 7 7 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 10 1 6 RwEdNet-AS, RW
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 593 2163 465 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
2018 371 319 71 TENET-1, ZA
7575 352 330 126 AARNET-AS-AP Australian Academic and Re
2152 315 507 93 CSUNET-NW, US
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
36914 263 82 3 KENET-AS, KE
1916 221 176 42 Rede Nacional de Ensino e Pesquisa, BR
376 202 178 150 RISQ-AS, CA
668 200 648 170 DNIC-AS-00668, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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 371 300 TENET-1, ZA
36914 263 260 KENET-AS, KE
7575 352 226 AARNET-AS-AP Australian Academic and Research N
2152 315 222 CSUNET-NW, US
5786 196 195 UPRENET, PR
1916 221 179 Rede Nacional de Ensino e Pesquisa, BR
58647 178 176 KAGAWAU-AS Kagawa University, JP
327687 166 163 RENU, UG
18558 136 132 NETBLK-RCOEK, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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
65000 PRIVATE 130.229.0.0/18 2837 SUNET-KI, SE
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
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
202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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 /10:2 /11:1 /12:10
/13:18 /14:33 /15:121 /16:1934 /17:411 /18:411
/19:523 /20:811 /21:854 /22:1390 /23:1512 /24:9764
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 251 263 KENET-AS, KE
8895 131 136 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 37 59 LONI, US
327700 35 41 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 32 55 SEAP-AGE, ES
2152 31 315 CSUNET-NW, US
25977 30 44 HCCS, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:89
23:6 24:3 31:7 35:2 38:9 41:120
42:10 44:6 45:39 46:5 47:1 49:9
50:1 52:1 58:1 59:10 60:4 61:3
62:10 63:33 64:31 65:1 66:17 67:41
68:8 69:19 70:2 72:7 74:45 76:40
77:9 78:3 79:10 80:13 81:25 82:6
83:6 84:9 85:40 86:10 87:1 89:10
91:46 92:2 93:4 94:4 95:2 96:5
97:2 98:2 101:2 102:32 103:234 104:80
108:4 109:9 111:16 113:1 114:18 116:6
117:61 118:17 119:18 121:28 122:8 123:8
124:39 125:4 128:113 129:41 130:88 131:55
132:56 133:152 134:105 136:196 137:267 138:22
139:15 140:40 141:1 142:37 143:21 144:8
145:2 146:128 147:27 148:192 149:12 150:44
151:12 152:138 153:78 154:31 155:63 156:67
157:18 158:34 159:115 160:29 161:22 162:25
163:82 164:10 165:46 166:1 167:13 168:122
169:7 170:65 171:1 172:3 173:6 175:26
176:8 177:5 179:12 180:15 181:1 182:3
184:2 185:48 186:3 187:17 188:13 189:3
190:19 191:13 192:1289 193:296 194:134 195:86
196:204 197:168 198:467 199:257 200:338 201:38
202:396 203:323 204:349 205:129 206:179 207:206
208:66 209:136 210:190 211:14 212:167 213:5
214:8 216:54 217:10 218:22 219:5 220:16
222:2 223:14
End of report
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