[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Jul 21 17:05:59 UTC 2021
Global R&E Routing Table Report 17:05 GMT Wed 21 Jul, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 14232
Prefixes after maximum aggregation (per Origin AS): 8386
Deaggregation factor: 1.70
Unique aggregates announced (without unneeded subnets): 9355
Total ASes present in the Internet Routing Table: 2136
Prefixes per ASN: 6.66
Origin-only ASes present in the Internet Routing Table: 1843
Origin ASes announcing only one prefix: 876
Transit ASes present in the Internet Routing Table: 293
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: 16
Max AS path prepend of ASN (207352) 12
Prefixes from unregistered ASNs in the Routing Table: 10
Number of instances of unregistered ASNs: 10
Number of 32-bit ASNs allocated by the RIRs: 36659
Number of 32-bit ASNs visible in the Routing Table: 457
Prefixes from 32-bit ASNs in the Routing Table: 1343
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: 177683904
Equivalent to 10 /8s, 151 /16s and 61 /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: 1466
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3854
Total APNIC prefixes after maximum aggregation: 2035
APNIC Deaggregation factor: 1.89
Prefixes being announced from the APNIC address blocks: 3856
Unique aggregates announced from the APNIC address blocks: 2255
APNIC Region origin ASes present in the Internet Routing Table: 452
APNIC Prefixes per ASN: 8.53
APNIC Region origin ASes announcing only one prefix: 199
APNIC Region transit ASes present in the Internet Routing Table: 46
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 166
Number of APNIC addresses announced to Internet: 44791520
Equivalent to 2 /8s, 171 /16s and 118 /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: 5526
Total ARIN prefixes after maximum aggregation: 3303
ARIN Deaggregation factor: 1.67
Prefixes being announced from the ARIN address blocks: 5535
Unique aggregates announced from the ARIN address blocks: 3778
ARIN Region origin ASes present in the Internet Routing Table: 874
ARIN Prefixes per ASN: 6.33
ARIN Region origin ASes announcing only one prefix: 317
ARIN Region transit ASes present in the Internet Routing Table: 111
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 106
Number of ARIN addresses announced to Internet: 71802592
Equivalent to 4 /8s, 71 /16s and 158 /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: 3036
Total RIPE prefixes after maximum aggregation: 2437
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3037
Unique aggregates announced from the RIPE address blocks: 2535
RIPE Region origin ASes present in the Internet Routing Table: 594
RIPE Prefixes per ASN: 5.11
RIPE Region origin ASes announcing only one prefix: 289
RIPE Region transit ASes present in the Internet Routing Table: 96
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 113
Number of RIPE addresses announced to Internet: 55637408
Equivalent to 3 /8s, 80 /16s and 245 /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: 1000
Total LACNIC prefixes after maximum aggregation: 447
LACNIC Deaggregation factor: 2.24
Prefixes being announced from the LACNIC address blocks: 998
Unique aggregates announced from the LACNIC address blocks: 557
LACNIC Region origin ASes present in the Internet Routing Table: 132
LACNIC Prefixes per ASN: 7.56
LACNIC Region origin ASes announcing only one prefix: 52
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 50
Number of LACNIC addresses announced to Internet: 2858848
Equivalent to 0 /8s, 43 /16s and 159 /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: 806
Total AfriNIC prefixes after maximum aggregation: 155
AfriNIC Deaggregation factor: 5.20
Prefixes being announced from the AfriNIC address blocks: 806
Unique aggregates announced from the AfriNIC address blocks: 230
AfriNIC Region origin ASes present in the Internet Routing Table: 44
AfriNIC Prefixes per ASN: 18.32
AfriNIC Region origin ASes announcing only one prefix: 19
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 22
Number of AfriNIC addresses announced to Internet: 2593536
Equivalent to 0 /8s, 39 /16s and 147 /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 618 2155 455 SINET-AS Research Organization of Infor
7497 428 209 20 CSTNET-AS-AP Computer Network Informati
1237 192 75 137 KREONET-AS-KR KISTI, KR
7575 179 330 125 AARNET-AS-AP Australian Academic and Re
58647 176 18 2 KAGAWAU-AS Kagawa University, JP
4538 168 4192 72 ERX-CERNET-BKB China Education and Rese
55824 128 19 22 NKN-CORE-NW NKN Core Network, IN
2697 55 3 31 ERX-ERNET-AS Education and Research Net
1659 54 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
132524 48 9 11 TIFR-AS Tata Institute of Fundamental R
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
376 213 178 140 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
2152 155 507 87 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
270 117 297 87 AS270, US
2920 112 34 6 LACOE, US
21976 86 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3477 67 70 39 NOAA-NWAVE, US
22742 67 52 33 CT-EDU-NET, 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
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
786 187 1779 185 JANET Jisc Services Limited, GB
8895 173 24 4 ISU Internet Services Unit ISU, SA
559 116 550 107 SWITCH Peering requests: peering at switch
1103 95 1520 84 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
2200 66 647 61 FR-RENATER Reseau National de telecommu
2614 62 32 59 ROEDUNET, RO
1930 56 80 51 RCCN Fundacao para a Ciencia e a Tecnol
1653 52 151 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 119 121 51 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 51 53 33 Fundacao Carlos Chagas Filho de Amparo
4270 44 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
20191 31 16 1 Pontificia Universidad Catolica de Chil
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 326 319 72 TENET-1, ZA
327687 135 28 3 RENU, UG
36914 98 82 3 KENET-AS, KE
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
36982 8 33 8 UCT, ZA
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 618 2155 455 SINET-AS Research Organization of Infor
7497 428 209 20 CSTNET-AS-AP Computer Network Informati
2018 326 319 72 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
376 213 178 140 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
1237 192 75 137 KREONET-AS-KR KISTI, KR
786 187 1779 185 JANET Jisc Services Limited, GB
7575 179 330 125 AARNET-AS-AP Australian Academic and Re
58647 176 18 2 KAGAWAU-AS Kagawa University, JP
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 428 408 CSTNET-AS-AP Computer Network Information Cente
2018 326 254 TENET-1, ZA
5786 201 200 UPRENET, PR
58647 176 174 KAGAWAU-AS Kagawa University, JP
8895 173 169 ISU Internet Services Unit ISU, SA
18558 137 133 NETBLK-RCOEK, US
327687 135 132 RENU, UG
55824 128 106 NKN-CORE-NW NKN Core Network, IN
2920 112 106 LACOE, US
4538 168 96 ERX-CERNET-BKB China Education and Research Net
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
36843 UNALLOCATED 64.56.80.0/23 11096 FLORIDANET, US
36843 UNALLOCATED 108.59.20.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 131.91.183.0/24 11096 FLORIDANET, 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
36843 UNALLOCATED 146.201.218.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 146.201.219.0/24 11096 FLORIDANET, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, 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 /15:102 /16:1691 /17:274 /18:300
/19:451 /20:659 /21:716 /22:1112 /23:1162 /24:7511
/25:79 /26:58 /27:49 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8895 168 173 ISU Internet Services Unit ISU, SA
36914 85 98 KENET-AS, KE
23024 53 56 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
327700 32 38 MoRENet, MZ
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
25977 29 32 HCCS, US
200521 29 45 SEAP-AGE, ES
1916 24 119 Associacao Rede Nacional de Ensino e Pesquisa,
2614 24 62 ROEDUNET, RO
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
24:2 31:1 37:6 38:5 41:141 42:9
44:4 45:36 46:6 49:10 58:4 59:10
60:4 61:3 62:6 63:4 64:13 66:6
67:41 68:1 69:13 72:11 74:16 76:10
77:6 78:3 79:10 80:11 81:29 82:2
83:7 84:3 85:22 86:9 87:1 88:1
89:10 91:44 93:11 94:2 95:4 96:5
101:3 102:8 103:214 104:5 106:1 108:4
109:8 110:3 111:16 112:4 114:18 116:4
117:2 118:17 119:19 121:27 122:8 123:8
124:42 128:65 129:33 130:83 131:90 132:52
133:137 134:83 136:191 137:124 138:10 139:4
140:34 141:2 142:40 143:32 144:27 146:121
147:30 148:7 149:12 150:19 151:5 152:64
153:6 154:24 155:35 156:64 157:25 158:41
159:116 160:25 161:16 162:15 163:59 164:35
165:16 167:16 168:99 169:10 170:40 172:2
173:1 175:20 176:8 177:6 178:1 179:6
180:21 182:5 184:3 185:31 186:2 187:17
188:13 189:6 190:54 191:25 192:1194 193:176
194:96 195:59 196:168 197:4 198:336 199:185
200:170 201:22 202:375 203:283 204:309 205:97
206:140 207:130 208:45 209:92 210:177 211:2
212:169 213:2 216:45 217:15 218:5 219:13
220:9 222:4 223:2
End of report
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