[REN-BGP-stats-all] Global R&E Routing Table Report - PERN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Dec 25 19:10:30 UTC 2021
Global R&E Routing Table Report 19:10 GMT Sat 25 Dec, 2021
BGP Table (R&E) as seen at PERN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/PERN/
Analysis Summary
----------------
BGP routing table entries examined: 16588
Prefixes after maximum aggregation (per Origin AS): 9814
Deaggregation factor: 1.69
Unique aggregates announced (without unneeded subnets): 11038
Total ASes present in the Internet Routing Table: 2565
Prefixes per ASN: 6.47
Origin-only ASes present in the Internet Routing Table: 2211
Origin ASes announcing only one prefix: 1036
Transit ASes present in the Internet Routing Table: 354
Transit-only ASes present in the Internet Routing Table: 50
Average AS path length visible in the Internet Routing Table: 6.0
Max AS path length visible: 16
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 2
Number of instances of unregistered ASNs: 2
Number of 32-bit ASNs allocated by the RIRs: 38184
Number of 32-bit ASNs visible in the Routing Table: 579
Prefixes from 32-bit ASNs in the Routing Table: 1566
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: 182926848
Equivalent to 10 /8s, 231 /16s and 62 /24s
Percentage of available address space announced: 4.9
Percentage of allocated address space announced: 4.9
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: 1733
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3837
Total APNIC prefixes after maximum aggregation: 2022
APNIC Deaggregation factor: 1.90
Prefixes being announced from the APNIC address blocks: 3839
Unique aggregates announced from the APNIC address blocks: 2452
APNIC Region origin ASes present in the Internet Routing Table: 501
APNIC Prefixes per ASN: 7.66
APNIC Region origin ASes announcing only one prefix: 228
APNIC Region transit ASes present in the Internet Routing Table: 54
Average APNIC Region AS path length visible: 5.8
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 194
Number of APNIC addresses announced to Internet: 28369920
Equivalent to 1 /8s, 176 /16s and 228 /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: 7095
Total ARIN prefixes after maximum aggregation: 4244
ARIN Deaggregation factor: 1.67
Prefixes being announced from the ARIN address blocks: 7104
Unique aggregates announced from the ARIN address blocks: 4705
ARIN Region origin ASes present in the Internet Routing Table: 1116
ARIN Prefixes per ASN: 6.37
ARIN Region origin ASes announcing only one prefix: 395
ARIN Region transit ASes present in the Internet Routing Table: 147
Average ARIN Region AS path length visible: 5.9
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 149
Number of ARIN addresses announced to Internet: 89563904
Equivalent to 5 /8s, 86 /16s and 163 /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: 3386
Total RIPE prefixes after maximum aggregation: 2763
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3376
Unique aggregates announced from the RIPE address blocks: 2771
RIPE Region origin ASes present in the Internet Routing Table: 669
RIPE Prefixes per ASN: 5.05
RIPE Region origin ASes announcing only one prefix: 321
RIPE Region transit ASes present in the Internet Routing Table: 103
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 134
Number of RIPE addresses announced to Internet: 58201344
Equivalent to 3 /8s, 120 /16s and 21 /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: 1448
Total LACNIC prefixes after maximum aggregation: 588
LACNIC Deaggregation factor: 2.46
Prefixes being announced from the LACNIC address blocks: 1449
Unique aggregates announced from the LACNIC address blocks: 805
LACNIC Region origin ASes present in the Internet Routing Table: 174
LACNIC Prefixes per ASN: 8.33
LACNIC Region origin ASes announcing only one prefix: 69
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 7.1
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 75
Number of LACNIC addresses announced to Internet: 4051968
Equivalent to 0 /8s, 61 /16s and 212 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 820
Total AfriNIC prefixes after maximum aggregation: 195
AfriNIC Deaggregation factor: 4.21
Prefixes being announced from the AfriNIC address blocks: 820
Unique aggregates announced from the AfriNIC address blocks: 305
AfriNIC Region origin ASes present in the Internet Routing Table: 53
AfriNIC Prefixes per ASN: 15.47
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 5.7
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2739712
Equivalent to 0 /8s, 41 /16s and 206 /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 610 2156 455 SINET-AS Research Organization of Infor
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
1237 185 74 135 KREONET-AS-KR KISTI, KR
7575 175 330 123 AARNET-AS-AP Australian Academic and Re
58647 165 18 2 KAGAWAU-AS Kagawa University, JP
55824 129 19 23 NKN-CORE-NW NKN Core Network, IN
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
1659 54 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
2697 54 3 32 ERX-ERNET-AS Education and Research Net
9317 49 16 1 ITISNET-AS INHA UNIVERSITY, KR
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 212 702 180 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 148 507 87 CSUNET-NW, US
18558 135 18 4 NETBLK-RCOEK, US
2920 108 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3 76 496 15 MIT-GATEWAYS, US
3477 72 71 42 NOAA-NWAVE, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 143 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
553 72 449 72 BELWUE BelWue-Koordination, DE
2200 67 647 61 FR-RENATER Reseau National de telecommu
2614 58 33 56 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 176 207 41 Rede Nacional de Ensino e Pesquisa, BR
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 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
28571 37 26 15 UNIVERSIDADE DE SAO PAULO, BR
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 350 319 74 TENET-1, ZA
36914 126 81 6 KENET-AS, KE
2561 72 5 31 EUN, EG
8094 50 48 4 PUKNET, ZA
327687 38 28 3 RENU, UG
327700 32 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 13 8 1 TERNET, TZ
37074 11 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 610 2156 455 SINET-AS Research Organization of Infor
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
2018 350 319 74 TENET-1, ZA
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
668 212 702 180 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
786 186 1774 183 JANET Jisc Services Limited, GB
1237 185 74 135 KREONET-AS-KR KISTI, KR
1916 176 207 41 Rede Nacional de Ensino e Pesquisa, BR
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 430 406 CSTNET-AS-AP Computer Network Information Cente
2018 350 276 TENET-1, ZA
5786 200 199 UPRENET, PR
58647 165 163 KAGAWAU-AS Kagawa University, JP
8895 143 139 ISU Internet Services Unit ISU, SA
1916 176 135 Rede Nacional de Ensino e Pesquisa, BR
18558 135 131 NETBLK-RCOEK, US
36914 126 120 KENET-AS, KE
55824 129 106 NKN-CORE-NW NKN Core Network, IN
2920 108 102 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/PERN/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
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/PERN/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 /12:4
/13:6 /14:19 /15:77 /16:1874 /17:377 /18:420
/19:506 /20:781 /21:835 /22:1331 /23:1419 /24:8935
/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 138 143 ISU Internet Services Unit ISU, SA
36914 118 126 KENET-AS, KE
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 44 LONI, US
200521 29 48 SEAP-AGE, ES
327700 28 32 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/PERN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 5:15 6:4 8:2 12:1 14:84
18:42 23:7 24:3 31:6 37:6 38:9
41:55 42:3 44:5 45:42 46:6 47:1
49:8 50:1 52:1 59:3 60:4 61:3
62:7 63:34 64:27 66:34 67:43 68:8
69:20 72:12 74:19 76:33 77:7 78:3
79:10 80:17 81:27 82:5 83:7 84:5
85:33 86:4 87:1 88:1 89:10 91:47
92:1 93:19 94:4 95:5 96:5 97:1
98:2 101:6 102:14 103:282 104:14 106:1
107:1 108:5 109:10 110:3 111:16 112:4
114:23 116:5 117:61 119:21 121:17 123:8
124:39 125:3 128:86 129:36 130:93 131:77
132:55 133:139 134:105 136:192 137:66 138:8
139:5 140:50 141:2 142:40 143:35 144:25
145:2 146:124 147:33 148:159 149:13 150:36
151:6 152:71 153:11 154:26 155:51 156:67
157:26 158:42 159:117 160:25 161:17 162:19
163:65 164:46 165:54 166:1 167:16 168:147
169:9 170:50 171:1 172:2 173:1 175:31
176:8 177:13 178:1 179:11 180:20 181:2
182:5 184:4 185:38 186:3 187:18 188:13
189:3 190:46 191:36 192:1268 193:253 194:135
195:92 196:148 197:107 198:416 199:259 200:255
201:39 202:375 203:307 204:312 205:163 206:177
207:168 208:55 209:104 210:179 211:14 212:172
213:4 214:7 216:56 217:14 218:25 219:8
220:17 222:2 223:2
End of report
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