[REN-BGP-stats-all] Global R&E Routing Table Report - AARNET (Seattle) R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Sep 14 21:00:26 UTC 2021
Global R&E Routing Table Report 21:00 GMT Tue 14 Sep, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AARNET-Seattle/
Analysis Summary
----------------
BGP routing table entries examined: 14169
Prefixes after maximum aggregation (per Origin AS): 8280
Deaggregation factor: 1.71
Unique aggregates announced (without unneeded subnets): 9294
Total ASes present in the Internet Routing Table: 2080
Prefixes per ASN: 6.81
Origin-only ASes present in the Internet Routing Table: 1801
Origin ASes announcing only one prefix: 816
Transit ASes present in the Internet Routing Table: 279
Transit-only ASes present in the Internet Routing Table: 40
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 16
Max AS path prepend of ASN (211089) 11
Prefixes from unregistered ASNs in the Routing Table: 11
Number of instances of unregistered ASNs: 11
Number of 32-bit ASNs allocated by the RIRs: 37205
Number of 32-bit ASNs visible in the Routing Table: 364
Prefixes from 32-bit ASNs in the Routing Table: 1053
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: 166016512
Equivalent to 9 /8s, 229 /16s and 54 /24s
Percentage of available address space announced: 4.5
Percentage of allocated address space announced: 4.5
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: 1392
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 2165
Total APNIC prefixes after maximum aggregation: 1046
APNIC Deaggregation factor: 2.07
Prefixes being announced from the APNIC address blocks: 2162
Unique aggregates announced from the APNIC address blocks: 1235
APNIC Region origin ASes present in the Internet Routing Table: 166
APNIC Prefixes per ASN: 13.02
APNIC Region origin ASes announcing only one prefix: 60
APNIC Region transit ASes present in the Internet Routing Table: 12
Average APNIC Region AS path length visible: 2.7
Max APNIC Region AS path length visible: 10
Number of APNIC region 32-bit ASNs visible in the Routing Table: 18
Number of APNIC addresses announced to Internet: 22172928
Equivalent to 1 /8s, 82 /16s and 85 /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, 131072-147769
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: 7783
Total ARIN prefixes after maximum aggregation: 4482
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 7798
Unique aggregates announced from the ARIN address blocks: 5073
ARIN Region origin ASes present in the Internet Routing Table: 1184
ARIN Prefixes per ASN: 6.59
ARIN Region origin ASes announcing only one prefix: 429
ARIN Region transit ASes present in the Internet Routing Table: 154
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: 152
Number of ARIN addresses announced to Internet: 93952000
Equivalent to 5 /8s, 153 /16s and 152 /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: 2454
Total RIPE prefixes after maximum aggregation: 2112
RIPE Deaggregation factor: 1.16
Prefixes being announced from the RIPE address blocks: 2453
Unique aggregates announced from the RIPE address blocks: 2161
RIPE Region origin ASes present in the Internet Routing Table: 490
RIPE Prefixes per ASN: 5.01
RIPE Region origin ASes announcing only one prefix: 248
RIPE Region transit ASes present in the Internet Routing Table: 80
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 104
Number of RIPE addresses announced to Internet: 44003328
Equivalent to 2 /8s, 159 /16s and 112 /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: 1288
Total LACNIC prefixes after maximum aggregation: 508
LACNIC Deaggregation factor: 2.54
Prefixes being announced from the LACNIC address blocks: 1286
Unique aggregates announced from the LACNIC address blocks: 649
LACNIC Region origin ASes present in the Internet Routing Table: 166
LACNIC Prefixes per ASN: 7.75
LACNIC Region origin ASes announcing only one prefix: 63
LACNIC Region transit ASes present in the Internet Routing Table: 19
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 71
Number of LACNIC addresses announced to Internet: 3951616
Equivalent to 0 /8s, 60 /16s and 76 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 468
Total AfriNIC prefixes after maximum aggregation: 126
AfriNIC Deaggregation factor: 3.71
Prefixes being announced from the AfriNIC address blocks: 468
Unique aggregates announced from the AfriNIC address blocks: 174
AfriNIC Region origin ASes present in the Internet Routing Table: 30
AfriNIC Prefixes per ASN: 15.60
AfriNIC Region origin ASes announcing only one prefix: 16
AfriNIC Region transit ASes present in the Internet Routing Table: 5
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 19
Number of AfriNIC addresses announced to Internet: 1936128
Equivalent to 0 /8s, 29 /16s and 139 /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 607 2156 455 SINET-AS Research Organization of Infor
7497 426 210 21 CSTNET-AS-AP Computer Network Informati
1237 185 74 135 KREONET-AS-KR KISTI, KR
58647 164 18 2 KAGAWAU-AS Kagawa University, JP
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
9317 49 16 1 ITISNET-AS INHA UNIVERSITY, KR
1659 36 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
9568 32 2 4 KIMM-AS-KR KOREA INSTITUTE OF MACHINERY
18297 27 4 5 KJISTNET-AS-KR K-JIST, KR
17579 22 1 16 KREONET2-AS-KR KISTI, KR
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 241 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
668 210 702 181 DNIC-AS-00668, US
5786 195 16 1 UPRENET, PR
2152 155 507 85 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
2920 108 34 6 LACOE, US
21976 86 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3 78 528 13 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
680 272 1950 236 DFN Verein zur Foerderung eines Deutsch
786 186 1763 184 JANET Jisc Services Limited, GB
559 115 550 106 SWITCH Peering requests: peering at switch
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 61 32 58 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
200521 47 4 20 SEAP-AGE, ES
766 37 376 37 REDIRIS RedIRIS Autonomous System, ES
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 178 207 41 Associacao Rede Nacional de Ensino e Pe
11340 94 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 44 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
28571 37 26 15 UNIVERSIDADE DE SAO PAULO, BR
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 342 319 74 TENET-1, ZA
8094 54 48 9 PUKNET, ZA
37074 11 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37520 5 16 2 Rhodes-Univ, ZA
328358 4 1 1 Makerere-AS, UG
30983 3 4 1 MARWAN-AS, MA
37661 3 4 1 NRaE1-AS, NG
328224 3 2 1 University-of-Energy-and-Natural-Resour
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 607 2156 455 SINET-AS Research Organization of Infor
7497 426 210 21 CSTNET-AS-AP Computer Network Informati
2018 342 319 74 TENET-1, ZA
680 272 1950 236 DFN Verein zur Foerderung eines Deutsch
7896 241 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
668 210 702 181 DNIC-AS-00668, US
5786 195 16 1 UPRENET, PR
786 186 1763 184 JANET Jisc Services Limited, GB
1237 185 74 135 KREONET-AS-KR KISTI, KR
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 426 405 CSTNET-AS-AP Computer Network Information Cente
2018 342 268 TENET-1, ZA
7896 241 234 NU-AS, US
5786 195 194 UPRENET, PR
58647 164 162 KAGAWAU-AS Kagawa University, JP
1916 178 137 Associacao Rede Nacional de Ensino e Pesquisa,
18558 137 133 NETBLK-RCOEK, US
2920 108 102 LACOE, US
1736 80 79 MU-AS, US
376 234 76 RISQ-AS, CA
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
19658 UNALLOCATED 65.205.131.0/24 11096 FLORIDANET, US
14822 UNALLOCATED 140.163.0.0/16 10466 MAGPI, US
14822 UNALLOCATED 140.163.0.0/17 10466 MAGPI, US
14822 UNALLOCATED 140.163.6.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.64.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.70.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.128.0/17 10466 MAGPI, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
394784 UNALLOCATED 192.107.242.0/24 40831 PHS, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.107.242.0/24 Origin: 394784 UNASSIGNED
192.107.242.0/24 Transit: 40831 PHS, US
205.166.145.0/24 Origin: 394784 UNASSIGNED
205.166.145.0/24 Transit: 40831 PHS, 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 /12:2
/13:6 /14:16 /15:54 /16:1741 /17:352 /18:388
/19:457 /20:710 /21:710 /22:1160 /23:1206 /24:7363
/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
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 43 LONI, US
40326 29 33 ECKERD-COLLEGE, US
200521 29 47 SEAP-AGE, ES
30220 25 26 SWTELCOOP, US
2614 23 61 ROEDUNET, RO
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
5:15 6:4 8:2 12:1 18:41 23:6
24:6 31:6 37:6 38:9 40:1 41:2
44:2 45:48 46:6 47:5 49:4 50:1
52:1 60:4 62:5 63:34 64:46 65:1
66:36 67:43 68:8 69:21 71:1 72:14
74:20 76:32 77:2 78:3 79:10 80:11
81:28 82:2 83:6 84:3 85:21 88:1
89:8 91:36 93:18 94:4 95:4 96:5
97:1 98:2 101:2 102:4 103:13 104:15
108:8 109:6 114:13 117:61 119:15 124:39
128:50 129:173 130:90 131:77 132:48 133:138
134:97 136:187 137:68 138:1 139:5 140:48
141:2 142:43 143:33 144:32 146:123 147:61
148:7 149:13 150:30 151:6 152:68 153:11
154:19 155:46 156:61 157:25 158:9 159:117
160:25 161:17 162:19 163:66 164:23 165:54
166:1 167:13 168:123 169:10 170:51 172:2
173:2 176:8 177:10 178:1 179:11 181:11
184:6 185:31 186:3 187:17 188:10 189:3
190:48 191:36 192:1188 193:160 194:76 195:31
196:118 198:475 199:274 200:252 201:38 202:216
203:108 204:354 205:172 206:180 207:169 208:57
209:117 210:164 211:2 212:36 213:2 214:7
216:80 217:14 218:2 219:5 220:3 223:2
End of report
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