[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Seattle) (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Feb 14 21:00:30 UTC 2022
IPv4 R&E Routing Table Report 21:00 GMT Mon 14 Feb, 2022
BGP Table (R&E) as seen at AARNET (Seattle).
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AARNET-Seattle/
Analysis Summary
----------------
BGP routing table entries examined: 17550
Prefixes after maximum aggregation (per Origin AS): 9891
Deaggregation factor: 1.77
Unique aggregates announced (without unneeded subnets): 10970
Number of IPv4 prefixes with a valid ROA: 3432
Number of IPv4 prefixes with an invalid ROA: 13
Number of IPv4 prefixes with no ROA: 14105
Total ASes present in the Internet Routing Table: 2637
Prefixes per ASN: 6.66
Origin-only ASes present in the Internet Routing Table: 2269
Origin ASes announcing only one prefix: 1051
Transit ASes present in the Internet Routing Table: 368
Transit-only ASes present in the Internet Routing Table: 58
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 16
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 38568
Number of 32-bit ASNs visible in the Routing Table: 569
Prefixes from 32-bit ASNs in the Routing Table: 1568
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 2
Number of addresses announced to Internet: 199505408
Equivalent to 11 /8s, 228 /16s and 54 /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: 1870
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4152
Total APNIC prefixes after maximum aggregation: 1952
APNIC Deaggregation factor: 2.13
Prefixes being announced from the APNIC address blocks: 4154
Unique aggregates announced from the APNIC address blocks: 2199
APNIC Region origin ASes present in the Internet Routing Table: 494
APNIC Prefixes per ASN: 8.41
APNIC Region origin ASes announcing only one prefix: 205
APNIC Region transit ASes present in the Internet Routing Table: 61
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 182
Number of APNIC addresses announced to Internet: 41527296
Equivalent to 2 /8s, 121 /16s and 168 /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, 131072-151865
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: 7758
Total ARIN prefixes after maximum aggregation: 4482
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 7775
Unique aggregates announced from the ARIN address blocks: 5012
ARIN Region origin ASes present in the Internet Routing Table: 1197
ARIN Prefixes per ASN: 6.50
ARIN Region origin ASes announcing only one prefix: 435
ARIN Region transit ASes present in the Internet Routing Table: 158
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 161
Number of ARIN addresses announced to Internet: 93702912
Equivalent to 5 /8s, 149 /16s and 203 /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: 3319
Total RIPE prefixes after maximum aggregation: 2707
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3305
Unique aggregates announced from the RIPE address blocks: 2704
RIPE Region origin ASes present in the Internet Routing Table: 672
RIPE Prefixes per ASN: 4.92
RIPE Region origin ASes announcing only one prefix: 323
RIPE Region transit ASes present in the Internet Routing Table: 99
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 136
Number of RIPE addresses announced to Internet: 57443584
Equivalent to 3 /8s, 108 /16s and 133 /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
196608-213403
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: 1419
Total LACNIC prefixes after maximum aggregation: 562
LACNIC Deaggregation factor: 2.52
Prefixes being announced from the LACNIC address blocks: 1416
Unique aggregates announced from the LACNIC address blocks: 763
LACNIC Region origin ASes present in the Internet Routing Table: 166
LACNIC Prefixes per ASN: 8.53
LACNIC Region origin ASes announcing only one prefix: 69
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65
Number of LACNIC addresses announced to Internet: 4154112
Equivalent to 0 /8s, 63 /16s and 99 /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: 898
Total AfriNIC prefixes after maximum aggregation: 184
AfriNIC Deaggregation factor: 4.88
Prefixes being announced from the AfriNIC address blocks: 898
Unique aggregates announced from the AfriNIC address blocks: 290
AfriNIC Region origin ASes present in the Internet Routing Table: 46
AfriNIC Prefixes per ASN: 19.52
AfriNIC Region origin ASes announcing only one prefix: 19
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2676992
Equivalent to 0 /8s, 40 /16s and 217 /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 571 2156 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
1237 186 74 135 KREONET-AS-KR KISTI, KR
58647 165 18 2 KAGAWAU-AS Kagawa University, JP
55824 130 19 23 NKN-CORE-NW NKN Core Network, IN
4538 128 4192 72 ERX-CERNET-BKB China Education and Rese
4621 80 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
2697 54 3 32 ERX-ERNET-AS Education and Research Net
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7896 251 51 7 NU-AS, US
668 212 702 180 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 144 507 86 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
2920 108 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3 77 496 15 MIT-GATEWAYS, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 143 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
553 72 449 72 BELWUE BelWue-Koordination, DE
2200 66 647 61 FR-RENATER Reseau National de telecommu
2614 64 32 55 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 176 207 41 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 54 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
4270 43 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 351 319 74 TENET-1, ZA
36914 206 82 3 KENET-AS, KE
2561 73 5 32 EUN, EG
8094 50 48 4 PUKNET, ZA
327687 39 28 3 RENU, UG
327700 33 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37182 13 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 571 2156 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 351 319 74 TENET-1, ZA
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
7896 251 51 7 NU-AS, US
668 212 702 180 DNIC-AS-00668, US
36914 206 82 3 KENET-AS, KE
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
786 186 1774 183 JANET Jisc Services Limited, GB
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 432 408 CSTNET-AS-AP Computer Network Information Cente
2018 351 277 TENET-1, ZA
7896 251 244 NU-AS, US
36914 206 203 KENET-AS, KE
5786 200 199 UPRENET, PR
58647 165 163 KAGAWAU-AS Kagawa University, JP
8895 143 139 ISU Internet Services Unit ISU, SA
1916 176 135 Rede Nacional de Ensino e Pesquisa, BR
18558 136 132 NETBLK-RCOEK, US
55824 130 107 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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
/13:17 /14:34 /15:122 /16:1936 /17:381 /18:428
/19:540 /20:844 /21:891 /22:1364 /23:1490 /24:9489
/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 193 206 KENET-AS, KE
8895 138 143 ISU Internet Services Unit ISU, SA
23024 53 56 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
32440 29 44 LONI, US
40326 29 33 ECKERD-COLLEGE, US
327700 29 33 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 5:15 6:4 8:2 12:1 14:85
18:42 23:9 24:3 31:6 38:9 40:1
41:121 42:9 44:5 45:34 46:6 47:1
49:10 50:1 52:1 59:20 60:4 61:3
62:7 63:34 64:47 66:35 67:43 68:8
69:20 70:2 71:1 72:13 74:20 76:33
77:7 78:3 79:10 80:15 81:28 82:4
83:6 84:7 85:33 86:4 87:1 88:1
89:10 91:42 92:1 93:12 94:4 95:5
96:5 97:1 98:2 101:6 102:13 103:262
104:14 106:1 108:8 109:10 110:3 111:4
112:4 114:23 116:5 117:61 118:32 119:22
121:10 122:8 123:8 124:39 125:4 128:51
129:177 130:89 131:56 132:52 133:139 134:100
136:192 137:87 138:1 139:5 140:46 141:2
142:41 143:27 144:52 145:2 146:126 147:60
148:191 149:13 150:36 151:6 152:68 153:11
154:25 155:48 156:63 157:26 158:42 159:116
160:25 161:21 162:20 163:65 164:43 165:55
166:1 167:16 168:119 169:10 170:51 171:1
172:2 173:2 175:31 176:8 177:12 178:1
179:11 180:16 181:1 182:5 184:3 185:38
186:3 187:18 188:13 189:5 190:33 191:33
192:1294 193:248 194:123 195:76 196:150 197:115
198:464 199:281 200:251 201:40 202:622 203:271
204:324 205:165 206:188 207:168 208:66 209:114
210:185 211:13 212:153 213:4 214:7 216:86
217:15 218:25 219:6 220:18 222:5 223:3
End of report
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