[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Nov 29 17:05:29 UTC 2021
Global R&E Routing Table Report 17:05 GMT Mon 29 Nov, 2021
BGP Table (R&E) as seen at ASREN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 14355
Prefixes after maximum aggregation (per Origin AS): 8274
Deaggregation factor: 1.73
Unique aggregates announced (without unneeded subnets): 9120
Total ASes present in the Internet Routing Table: 2158
Prefixes per ASN: 6.65
Origin-only ASes present in the Internet Routing Table: 1854
Origin ASes announcing only one prefix: 883
Transit ASes present in the Internet Routing Table: 304
Transit-only ASes present in the Internet Routing Table: 37
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 14
Max AS path prepend of ASN ( 5474) 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: 37931
Number of 32-bit ASNs visible in the Routing Table: 481
Prefixes from 32-bit ASNs in the Routing Table: 1381
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: 0
Number of addresses announced to Internet: 176482752
Equivalent to 10 /8s, 132 /16s and 233 /24s
Percentage of available address space announced: 4.8
Percentage of allocated address space announced: 4.8
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: 1628
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3878
Total APNIC prefixes after maximum aggregation: 2036
APNIC Deaggregation factor: 1.90
Prefixes being announced from the APNIC address blocks: 3880
Unique aggregates announced from the APNIC address blocks: 2243
APNIC Region origin ASes present in the Internet Routing Table: 452
APNIC Prefixes per ASN: 8.58
APNIC Region origin ASes announcing only one prefix: 193
APNIC Region transit ASes present in the Internet Routing Table: 49
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 169
Number of APNIC addresses announced to Internet: 44597824
Equivalent to 2 /8s, 168 /16s and 130 /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: 5386
Total ARIN prefixes after maximum aggregation: 3178
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 5397
Unique aggregates announced from the ARIN address blocks: 3577
ARIN Region origin ASes present in the Internet Routing Table: 865
ARIN Prefixes per ASN: 6.24
ARIN Region origin ASes announcing only one prefix: 312
ARIN Region transit ASes present in the Internet Routing Table: 115
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 13
Number of ARIN region 32-bit ASNs visible in the Routing Table: 111
Number of ARIN addresses announced to Internet: 70472448
Equivalent to 4 /8s, 51 /16s and 83 /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: 3099
Total RIPE prefixes after maximum aggregation: 2479
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3092
Unique aggregates announced from the RIPE address blocks: 2579
RIPE Region origin ASes present in the Internet Routing Table: 610
RIPE Prefixes per ASN: 5.07
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 100
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 120
Number of RIPE addresses announced to Internet: 55689440
Equivalent to 3 /8s, 81 /16s and 192 /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: 1056
Total LACNIC prefixes after maximum aggregation: 418
LACNIC Deaggregation factor: 2.53
Prefixes being announced from the LACNIC address blocks: 1054
Unique aggregates announced from the LACNIC address blocks: 494
LACNIC Region origin ASes present in the Internet Routing Table: 143
LACNIC Prefixes per ASN: 7.37
LACNIC Region origin ASes announcing only one prefix: 56
LACNIC Region transit ASes present in the Internet Routing Table: 21
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: 57
Number of LACNIC addresses announced to Internet: 3088544
Equivalent to 0 /8s, 47 /16s and 32 /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: 932
Total AfriNIC prefixes after maximum aggregation: 159
AfriNIC Deaggregation factor: 5.86
Prefixes being announced from the AfriNIC address blocks: 932
Unique aggregates announced from the AfriNIC address blocks: 227
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 19.42
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2634496
Equivalent to 0 /8s, 40 /16s and 51 /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 622 2156 457 SINET-AS Research Organization of Infor
7497 424 177 19 CSTNET-AS-AP Computer Network Informati
1237 188 74 135 KREONET-AS-KR KISTI, KR
7575 176 329 122 AARNET-AS-AP Australian Academic and Re
58647 176 18 2 KAGAWAU-AS Kagawa University, JP
4538 172 4192 72 ERX-CERNET-BKB China Education and Rese
55824 128 19 22 NKN-CORE-NW NKN Core Network, IN
2697 54 3 32 ERX-ERNET-AS Education and Research Net
1659 51 1434 33 ERX-TANET-ASN1 Taiwan Academic Network
9317 49 16 1 ITISNET-AS INHA UNIVERSITY, KR
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
5786 195 16 1 UPRENET, PR
2152 157 507 85 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
2920 112 34 6 LACOE, US
376 87 7 63 RISQ-AS, CA
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
22742 68 53 34 CT-EDU-NET, US
3477 65 71 38 NOAA-NWAVE, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 278 1998 238 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 176 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 97 1520 84 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
2200 67 647 61 FR-RENATER Reseau National de telecommu
2614 59 33 57 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
1653 52 167 49 SUNET SUNET Swedish University Network,
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 182 178 36 Associacao Rede Nacional de Ensino e Pe
11340 95 24 54 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
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
20191 31 16 1 Pontificia Universidad Catolica de Chil
28571 30 21 19 UNIVERSIDADE DE SAO PAULO, BR
271640 27 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 344 319 71 TENET-1, ZA
36914 203 82 3 KENET-AS, KE
327687 120 28 3 RENU, UG
8094 50 48 4 PUKNET, ZA
327700 44 16 1 MoRENet, MZ
37215 34 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 12 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
37074 10 7 7 UG-AS, GH
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 622 2156 457 SINET-AS Research Organization of Infor
7497 424 177 19 CSTNET-AS-AP Computer Network Informati
2018 344 319 71 TENET-1, ZA
680 278 1998 238 DFN Verein zur Foerderung eines Deutsch
36914 203 82 3 KENET-AS, KE
5786 195 16 1 UPRENET, PR
1237 188 74 135 KREONET-AS-KR KISTI, KR
786 186 1774 183 JANET Jisc Services Limited, GB
1916 182 178 36 Associacao Rede Nacional de Ensino e Pe
7575 176 329 122 AARNET-AS-AP Australian Academic and Re
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 424 405 CSTNET-AS-AP Computer Network Information Cente
2018 344 273 TENET-1, ZA
36914 203 200 KENET-AS, KE
5786 195 194 UPRENET, PR
58647 176 174 KAGAWAU-AS Kagawa University, JP
8895 176 172 ISU Internet Services Unit ISU, SA
1916 182 146 Associacao Rede Nacional de Ensino e Pesquisa,
18558 136 132 NETBLK-RCOEK, US
327687 120 117 RENU, UG
55824 128 106 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/ASREN/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
29955 UNALLOCATED 192.104.1.0/24 2495 KANREN, US
29955 UNALLOCATED 198.252.8.0/21 2495 KANREN, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-badAS
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
/13:19 /14:35 /15:107 /16:1672 /17:288 /18:299
/19:445 /20:668 /21:727 /22:1110 /23:1202 /24:7581
/25:73 /26:61 /27:54 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 189 203 KENET-AS, KE
8895 171 176 ISU Internet Services Unit ISU, SA
23024 53 56 OCDE, US
327700 38 44 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 29 32 HCCS, US
200521 29 48 SEAP-AGE, ES
37215 28 34 MAREN, MW
1916 27 182 Associacao Rede Nacional de Ensino e Pesquisa,
30220 25 25 SWTELCOOP, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 8:2 12:1 14:84 23:2
24:3 31:1 37:6 38:3 41:148 42:9
44:4 45:31 46:6 49:10 58:4 59:10
60:4 61:2 62:6 63:4 64:12 66:24
67:34 68:1 69:17 72:10 74:16 76:1
77:6 78:3 79:10 80:10 81:26 82:2
83:7 84:3 85:23 86:6 87:1 88:1
89:10 91:45 93:18 94:2 95:5 96:5
101:4 102:15 103:221 104:6 106:1 108:4
109:9 110:3 111:16 112:4 114:14 116:5
117:2 118:17 119:21 121:27 122:8 123:8
124:39 125:1 128:66 129:30 130:84 131:79
132:49 133:138 134:88 136:186 137:100 138:8
139:4 140:34 141:2 142:22 143:31 144:25
145:1 146:123 147:24 148:7 149:13 150:19
151:2 152:22 153:6 154:24 155:46 156:67
157:25 158:39 159:116 160:25 161:15 162:13
163:61 164:40 165:53 166:1 167:11 168:98
169:8 170:41 172:2 173:2 175:26 176:8
177:5 178:1 179:9 180:21 182:6 184:2
185:35 186:3 187:17 188:13 189:3 190:43
191:6 192:1168 193:182 194:102 195:58 196:172
197:114 198:338 199:180 200:222 201:38 202:363
203:279 204:275 205:112 206:133 207:129 208:43
209:94 210:177 211:2 212:170 213:3 216:50
217:13 218:5 219:13 220:12 222:4 223:2
End of report
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