[REN-BGP-stats-all] Global R&E Routing Table Report - AARNET (Brisbane) R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Jul 10 21:10:42 UTC 2021
Global R&E Routing Table Report 21:10 GMT Sat 10 Jul, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/
Analysis Summary
----------------
BGP routing table entries examined: 16590
Prefixes after maximum aggregation (per Origin AS): 9637
Deaggregation factor: 1.72
Unique aggregates announced (without unneeded subnets): 10860
Total ASes present in the Internet Routing Table: 2484
Prefixes per ASN: 6.68
Origin-only ASes present in the Internet Routing Table: 2108
Origin ASes announcing only one prefix: 968
Transit ASes present in the Internet Routing Table: 376
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 14
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: 36591
Number of 32-bit ASNs visible in the Routing Table: 511
Prefixes from 32-bit ASNs in the Routing Table: 1507
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: 195899648
Equivalent to 11 /8s, 173 /16s and 49 /24s
Percentage of available address space announced: 5.3
Percentage of allocated address space announced: 5.3
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: 1774
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3781
Total APNIC prefixes after maximum aggregation: 1906
APNIC Deaggregation factor: 1.98
Prefixes being announced from the APNIC address blocks: 3779
Unique aggregates announced from the APNIC address blocks: 2197
APNIC Region origin ASes present in the Internet Routing Table: 432
APNIC Prefixes per ASN: 8.75
APNIC Region origin ASes announcing only one prefix: 174
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 148
Number of APNIC addresses announced to Internet: 41342208
Equivalent to 2 /8s, 118 /16s and 213 /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: 7056
Total ARIN prefixes after maximum aggregation: 4209
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 7068
Unique aggregates announced from the ARIN address blocks: 4726
ARIN Region origin ASes present in the Internet Routing Table: 1089
ARIN Prefixes per ASN: 6.49
ARIN Region origin ASes announcing only one prefix: 385
ARIN Region transit ASes present in the Internet Routing Table: 151
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: 139
Number of ARIN addresses announced to Internet: 89560064
Equivalent to 5 /8s, 86 /16s and 148 /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: 3345
Total RIPE prefixes after maximum aggregation: 2731
RIPE Deaggregation factor: 1.22
Prefixes being announced from the RIPE address blocks: 3346
Unique aggregates announced from the RIPE address blocks: 2747
RIPE Region origin ASes present in the Internet Routing Table: 665
RIPE Prefixes per ASN: 5.03
RIPE Region origin ASes announcing only one prefix: 318
RIPE Region transit ASes present in the Internet Routing Table: 107
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 128
Number of RIPE addresses announced to Internet: 58147584
Equivalent to 3 /8s, 119 /16s and 67 /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: 1514
Total LACNIC prefixes after maximum aggregation: 595
LACNIC Deaggregation factor: 2.54
Prefixes being announced from the LACNIC address blocks: 1512
Unique aggregates announced from the LACNIC address blocks: 883
LACNIC Region origin ASes present in the Internet Routing Table: 175
LACNIC Prefixes per ASN: 8.64
LACNIC Region origin ASes announcing only one prefix: 69
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 5.2
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: 4199424
Equivalent to 0 /8s, 64 /16s and 20 /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: 883
Total AfriNIC prefixes after maximum aggregation: 190
AfriNIC Deaggregation factor: 4.65
Prefixes being announced from the AfriNIC address blocks: 883
Unique aggregates announced from the AfriNIC address blocks: 305
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 18.40
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 12
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: 24
Number of AfriNIC addresses announced to Internet: 2649856
Equivalent to 0 /8s, 40 /16s and 111 /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 2155 455 SINET-AS Research Organization of Infor
7497 435 215 29 CSTNET-AS-AP Computer Network Informati
1237 189 75 137 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 125 4192 72 ERX-CERNET-BKB China Education and Rese
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
2697 55 3 31 ERX-ERNET-AS Education and Research Net
24151 54 4 19 CNNIC-CRITICAL-AP China Internet Networ
132524 48 9 11 TIFR-AS Tata Institute of Fundamental R
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
376 235 180 158 RISQ-AS, CA
668 208 702 179 DNIC-AS-00668, US
5786 178 16 1 UPRENET, PR
2152 156 507 88 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
2920 109 34 6 LACOE, US
21976 86 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3 77 528 13 MIT-GATEWAYS, US
3477 68 71 39 NOAA-NWAVE, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
786 188 1787 185 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 97 1520 84 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 56 82 51 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/AARNET/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
27884 91 6 18 CABLECOLOR S.A., HN
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
19611 44 17 2 Associacao Antonio Vieira - Unisinos, B
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 326 319 74 TENET-1, ZA
327687 135 28 3 RENU, UG
36914 99 82 3 KENET-AS, KE
2561 75 5 33 EUN, EG
8094 55 48 4 PUKNET, ZA
327700 38 16 1 MoRENet, MZ
37215 30 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 11 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 607 2155 455 SINET-AS Research Organization of Infor
7497 435 215 29 CSTNET-AS-AP Computer Network Informati
2018 326 319 74 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
376 235 180 158 RISQ-AS, CA
668 208 702 179 DNIC-AS-00668, US
1237 189 75 137 KREONET-AS-KR KISTI, KR
786 188 1787 185 JANET Jisc Services Limited, GB
1916 178 207 41 Associacao Rede Nacional de Ensino e Pe
5786 178 16 1 UPRENET, PR
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 435 406 CSTNET-AS-AP Computer Network Information Cente
2018 326 252 TENET-1, ZA
5786 178 177 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
2920 109 103 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
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
394784 UNALLOCATED 205.166.145.0/24 40831 PHS, US
36843 UNALLOCATED 206.224.200.0/21 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.107.242.0/24 Origin: 394784 UNASSIGNED
Transit: 40831 PHS, US
205.166.145.0/24 Origin: 394784 UNASSIGNED
Transit: 40831 PHS, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/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 /15:116 /16:1888 /17:367 /18:402
/19:527 /20:831 /21:858 /22:1300 /23:1373 /24:8861
/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
27884 91 91 CABLECOLOR S.A., HN
36914 86 99 KENET-AS, KE
23024 53 56 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
327700 32 38 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 44 LONI, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/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 23:6 24:3 31:6 37:6 38:9
41:142 42:26 44:5 45:55 46:7 47:5
49:10 50:1 52:1 58:1 59:11 60:4
61:3 62:7 63:33 64:26 66:35 67:44
68:8 69:17 72:13 74:16 76:32 77:6
78:3 79:10 80:14 81:30 82:4 83:7
84:8 85:33 86:9 87:1 88:1 89:10
91:46 92:1 93:12 94:4 95:4 96:5
97:1 98:2 101:2 102:10 103:211 104:8
106:1 107:1 108:6 109:8 110:3 111:16
112:4 114:23 115:1 116:6 117:63 118:20
119:19 121:29 122:8 123:8 124:40 125:11
128:55 129:33 130:88 131:88 132:51 133:137
134:93 136:169 137:126 138:5 139:5 140:47
141:2 142:40 143:35 144:27 146:121 147:40
148:159 149:13 150:35 151:6 152:70 153:11
154:24 155:44 156:61 157:25 158:44 159:115
160:26 161:17 162:28 163:65 164:40 165:16
166:1 167:16 168:126 169:9 170:48 171:1
172:2 173:1 175:32 176:8 177:8 178:1
179:13 180:16 181:1 182:5 184:8 185:40
186:3 187:18 188:13 189:6 190:136 191:32
192:1233 193:250 194:137 195:92 196:168 197:4
198:428 199:257 200:255 201:39 202:416 203:177
204:338 205:160 206:176 207:169 208:56 209:104
210:183 211:14 212:167 213:4 214:7 216:49
217:16 218:26 219:8 220:24 222:4 223:2
End of report
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