[REN-BGP-stats-all] Global R&E Routing Table Report - AARNET (Seattle) R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Sep 5 21:00:28 UTC 2021
Global R&E Routing Table Report 21:00 GMT Sun 05 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: 17701
Prefixes after maximum aggregation (per Origin AS): 9898
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 11150
Total ASes present in the Internet Routing Table: 2632
Prefixes per ASN: 6.73
Origin-only ASes present in the Internet Routing Table: 2246
Origin ASes announcing only one prefix: 1040
Transit ASes present in the Internet Routing Table: 386
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 16
Max AS path prepend of ASN ( 10497) 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: 37136
Number of 32-bit ASNs visible in the Routing Table: 553
Prefixes from 32-bit ASNs in the Routing Table: 1654
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: 4
Number of addresses announced to Internet: 199923712
Equivalent to 11 /8s, 234 /16s and 152 /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: 1857
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4212
Total APNIC prefixes after maximum aggregation: 1961
APNIC Deaggregation factor: 2.15
Prefixes being announced from the APNIC address blocks: 4195
Unique aggregates announced from the APNIC address blocks: 2220
APNIC Region origin ASes present in the Internet Routing Table: 484
APNIC Prefixes per ASN: 8.67
APNIC Region origin ASes announcing only one prefix: 192
APNIC Region transit ASes present in the Internet Routing Table: 62
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 172
Number of APNIC addresses announced to Internet: 41652480
Equivalent to 2 /8s, 123 /16s and 145 /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: 7805
Total ARIN prefixes after maximum aggregation: 4468
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 7839
Unique aggregates announced from the ARIN address blocks: 5090
ARIN Region origin ASes present in the Internet Routing Table: 1187
ARIN Prefixes per ASN: 6.60
ARIN Region origin ASes announcing only one prefix: 433
ARIN Region transit ASes present in the Internet Routing Table: 158
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: 153
Number of ARIN addresses announced to Internet: 93923072
Equivalent to 5 /8s, 153 /16s and 39 /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: 3302
Total RIPE prefixes after maximum aggregation: 2686
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3294
Unique aggregates announced from the RIPE address blocks: 2724
RIPE Region origin ASes present in the Internet Routing Table: 665
RIPE Prefixes per ASN: 4.95
RIPE Region origin ASes announcing only one prefix: 325
RIPE Region transit ASes present in the Internet Routing Table: 109
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 130
Number of RIPE addresses announced to Internet: 57477632
Equivalent to 3 /8s, 109 /16s and 10 /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: 1463
Total LACNIC prefixes after maximum aggregation: 584
LACNIC Deaggregation factor: 2.51
Prefixes being announced from the LACNIC address blocks: 1461
Unique aggregates announced from the LACNIC address blocks: 811
LACNIC Region origin ASes present in the Internet Routing Table: 174
LACNIC Prefixes per ASN: 8.40
LACNIC Region origin ASes announcing only one prefix: 68
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: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 72
Number of LACNIC addresses announced to Internet: 4187904
Equivalent to 0 /8s, 63 /16s and 231 /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: 908
Total AfriNIC prefixes after maximum aggregation: 193
AfriNIC Deaggregation factor: 4.70
Prefixes being announced from the AfriNIC address blocks: 908
Unique aggregates announced from the AfriNIC address blocks: 301
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 18.16
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 13
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2681600
Equivalent to 0 /8s, 40 /16s and 235 /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 608 2156 456 SINET-AS Research Organization of Infor
7497 434 214 25 CSTNET-AS-AP Computer Network Informati
1237 185 74 135 KREONET-AS-KR KISTI, KR
58647 164 18 2 KAGAWAU-AS Kagawa University, JP
55824 129 19 23 NKN-CORE-NW NKN Core Network, IN
4538 126 4192 72 ERX-CERNET-BKB China Education and Rese
4621 81 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 55 3 31 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 241 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
668 199 700 170 DNIC-AS-00668, US
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
680 275 1998 237 DFN Verein zur Foerderung eines Deutsch
786 186 1763 184 JANET Jisc Services Limited, GB
8895 141 24 4 ISU Internet Services Unit ISU, SA
559 116 550 107 SWITCH Peering requests: peering at switch
1103 98 1520 85 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 62 32 59 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 178 207 41 Associacao Rede Nacional de Ensino e Pe
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
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 42 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
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 337 319 74 TENET-1, ZA
327687 135 28 3 RENU, UG
36914 99 82 3 KENET-AS, KE
2561 72 5 31 EUN, EG
8094 55 48 4 PUKNET, ZA
327700 36 16 1 MoRENet, MZ
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 13 8 1 TERNET, TZ
37074 11 8 2 UG-AS, GH
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 608 2156 456 SINET-AS Research Organization of Infor
7497 434 214 25 CSTNET-AS-AP Computer Network Informati
2018 337 319 74 TENET-1, ZA
680 275 1998 237 DFN Verein zur Foerderung eines Deutsch
7896 241 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
668 199 700 170 DNIC-AS-00668, US
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 434 409 CSTNET-AS-AP Computer Network Information Cente
2018 337 263 TENET-1, ZA
7896 241 234 NU-AS, US
5786 201 200 UPRENET, PR
58647 164 162 KAGAWAU-AS Kagawa University, JP
1916 178 137 Associacao Rede Nacional de Ensino e Pesquisa,
8895 141 137 ISU Internet Services Unit ISU, SA
18558 137 133 NETBLK-RCOEK, US
327687 135 132 RENU, UG
55824 129 106 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
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
Prefixes from private and non-routed address space (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-dsua
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
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 /12:10
/13:18 /14:35 /15:117 /16:1941 /17:376 /18:421
/19:561 /20:860 /21:877 /22:1373 /23:1474 /24:9634
/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
8895 136 141 ISU Internet Services Unit ISU, SA
36914 86 99 KENET-AS, KE
23024 53 56 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
327700 32 36 MoRENet, MZ
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
32440 29 42 LONI, US
40326 29 33 ECKERD-COLLEGE, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 5:15 6:4 8:2 12:1 14:84
18:41 23:8 24:6 31:6 37:6 38:9
40:1 41:147 42:8 44:5 45:61 46:7
47:9 49:10 50:1 52:1 58:1 59:20
60:4 61:3 62:7 63:34 64:46 65:1
66:36 67:43 68:8 69:21 71:1 72:14
74:20 76:32 77:6 78:3 79:10 80:18
81:30 82:4 83:7 84:7 85:35 86:9
87:1 88:1 89:10 91:45 92:1 93:19
94:4 95:5 96:5 97:1 98:2 101:2
102:10 103:248 104:15 106:1 108:8 109:8
110:3 111:20 112:4 114:23 116:5 117:61
118:32 119:18 121:26 122:8 123:8 124:41
125:7 128:50 129:174 130:92 131:91 132:54
133:138 134:97 136:193 137:142 138:1 139:5
140:49 141:2 142:43 143:35 144:54 146:123
147:63 148:159 149:13 150:35 151:6 152:71
153:11 154:24 155:46 156:61 157:25 158:45
159:117 160:25 161:17 162:20 163:61 164:40
165:54 166:1 167:16 168:130 169:10 170:50
171:1 172:2 173:2 175:32 176:8 177:10
178:1 179:11 180:16 181:11 182:4 184:6
185:41 186:3 187:18 188:13 189:6 190:48
191:36 192:1302 193:236 194:124 195:83 196:178
197:5 198:471 199:275 200:256 201:39 202:609
203:270 204:352 205:172 206:180 207:168 208:58
209:116 210:185 211:14 212:169 213:4 214:7
216:80 217:15 218:25 219:8 220:16 222:4
223:2
End of report
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