[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Internet2 (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Jul 2 22:01:10 UTC 2022
IPv4 R&E Routing Table Report 22:00 GMT Sat 02 Jul, 2022
IPv4 BGP Table (R&E) as seen at Internet2.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/Internet2/
Analysis Summary
----------------
BGP routing table entries examined: 22190
Prefixes after maximum aggregation (per Origin AS): 12369
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 14278
Number of IPv4 prefixes with a valid ROA: 7352
Number of IPv4 prefixes with an invalid ROA: 48
Number of IPv4 prefixes with no ROA: 14790
Total ASes present in the Internet Routing Table: 2712
Prefixes per ASN: 8.18
Origin-only ASes present in the Internet Routing Table: 2344
Origin ASes announcing only one prefix: 1047
Transit ASes present in the Internet Routing Table: 368
Transit-only ASes present in the Internet Routing Table: 53
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.3
Max AS path length visible: 16
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 39725
Number of 32-bit ASNs visible in the Routing Table: 597
Prefixes from 32-bit ASNs in the Routing Table: 1661
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: 5
Number of addresses announced to Internet: 243067928
Equivalent to 14 /8s, 124 /16s and 236 /24s
Percentage of available address space announced: 6.6
Percentage of allocated address space announced: 6.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 2834
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4532
Total APNIC prefixes after maximum aggregation: 2231
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4594
Unique aggregates announced from the APNIC address blocks: 2575
APNIC Region origin ASes present in the Internet Routing Table: 527
APNIC Prefixes per ASN: 8.72
APNIC Region origin ASes announcing only one prefix: 221
APNIC Region transit ASes present in the Internet Routing Table: 63
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 195
Number of APNIC addresses announced to Internet: 45890112
Equivalent to 2 /8s, 188 /16s and 58 /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: 11748
Total ARIN prefixes after maximum aggregation: 6531
ARIN Deaggregation factor: 1.80
Prefixes being announced from the ARIN address blocks: 11575
Unique aggregates announced from the ARIN address blocks: 7685
ARIN Region origin ASes present in the Internet Routing Table: 1241
ARIN Prefixes per ASN: 9.33
ARIN Region origin ASes announcing only one prefix: 434
ARIN Region transit ASes present in the Internet Routing Table: 158
Average ARIN Region AS path length visible: 3.0
Max ARIN Region AS path length visible: 13
Number of ARIN region 32-bit ASNs visible in the Routing Table: 176
Number of ARIN addresses announced to Internet: 132259480
Equivalent to 7 /8s, 226 /16s and 30 /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: 3542
Total RIPE prefixes after maximum aggregation: 2839
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3650
Unique aggregates announced from the RIPE address blocks: 2960
RIPE Region origin ASes present in the Internet Routing Table: 675
RIPE Prefixes per ASN: 5.41
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 98
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 135
Number of RIPE addresses announced to Internet: 58020096
Equivalent to 3 /8s, 117 /16s and 81 /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: 1441
Total LACNIC prefixes after maximum aggregation: 561
LACNIC Deaggregation factor: 2.57
Prefixes being announced from the LACNIC address blocks: 1445
Unique aggregates announced from the LACNIC address blocks: 764
LACNIC Region origin ASes present in the Internet Routing Table: 162
LACNIC Prefixes per ASN: 8.92
LACNIC Region origin ASes announcing only one prefix: 64
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65
Number of LACNIC addresses announced to Internet: 4238912
Equivalent to 0 /8s, 64 /16s and 174 /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: 921
Total AfriNIC prefixes after maximum aggregation: 201
AfriNIC Deaggregation factor: 4.58
Prefixes being announced from the AfriNIC address blocks: 921
Unique aggregates announced from the AfriNIC address blocks: 289
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 18.80
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 2.7
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2658048
Equivalent to 0 /8s, 40 /16s and 143 /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 579 2140 456 SINET-AS Research Organization of Infor
7497 429 182 24 CSTNET-AS-AP Computer Network Informati
1237 190 74 135 KREONET-AS-KR KISTI, KR
7575 176 330 122 AARNET-AS-AP Australian Academic and Re
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
4538 128 4192 73 ERX-CERNET-BKB China Education and Rese
55824 116 18 11 NKN-CORE-NW NKN Core Network, IN
4621 78 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
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2762 4562 1212 AMAZON-02, US
14618 615 3990 470 AMAZON-AES, US
668 208 702 176 DNIC-AS-00668, US
376 204 178 153 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 157 507 90 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
1 121 1 45 LVLT-1, US
270 121 329 86 AS270, US
23024 114 7 17 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 285 1967 251 DFN Verein zur Foerderung eines Deutsch
786 187 1775 184 JANET Jisc Services Limited, GB
8895 179 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
2614 96 27 76 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2200 64 599 59 FR-RENATER Reseau National de telecommu
1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 176 208 45 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 54 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
1251 53 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
61468 45 3 15 CEDIA, EC
4270 43 16 1 Red de Interconexion Universitaria, AR
28571 41 40 18 UNIVERSIDADE DE SAO PAULO, BR
28614 37 2 2 Fundacao Universidade Regional de Blume
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 364 319 73 TENET-1, ZA
36914 222 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 38 28 3 RENU, UG
327700 31 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 18 8 1 TERNET, TZ
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2762 4562 1212 AMAZON-02, US
14618 615 3990 470 AMAZON-AES, US
2907 579 2140 456 SINET-AS Research Organization of Infor
7497 429 182 24 CSTNET-AS-AP Computer Network Informati
2018 364 319 73 TENET-1, ZA
680 285 1967 251 DFN Verein zur Foerderung eines Deutsch
36914 222 82 3 KENET-AS, KE
668 208 702 176 DNIC-AS-00668, US
376 204 178 153 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 429 405 CSTNET-AS-AP Computer Network Information Cente
2018 364 291 TENET-1, ZA
36914 222 219 KENET-AS, KE
5786 200 199 UPRENET, PR
8895 179 175 ISU Internet Services Unit ISU, SA
58647 175 173 KAGAWAU-AS Kagawa University, JP
14618 615 145 AMAZON-AES, US
1916 176 131 Rede Nacional de Ensino e Pesquisa, BR
18558 134 130 NETBLK-RCOEK, US
2907 579 123 SINET-AS Research Organization of Information a
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-badAS
Prefixes from the Special Purpose Address Registry (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/Internet2/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
103.151.24.0/24 Origin: 16509 AMAZON-02, US
103.151.24.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
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
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
216.169.147.0/24 Origin: 14618 AMAZON-AES, US
216.169.147.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/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 /11:3 /12:17
/13:25 /14:59 /15:174 /16:2091 /17:463 /18:466
/19:600 /20:985 /21:990 /22:1586 /23:1758 /24:12613
/25:87 /26:56 /27:148 /28:7 /29:54 /30:0
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 428 2762 AMAZON-02, US
36914 209 222 KENET-AS, KE
14618 205 615 AMAZON-AES, US
8895 174 179 ISU Internet Services Unit ISU, SA
32440 73 88 LONI, US
23024 53 114 OCDE, US
1 38 121 LVLT-1, US
25977 31 45 HCCS, US
28614 31 37 Fundacao Universidade Regional de Blumenau, BR
46115 31 34 LUTHER, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 3:84 4:2 5:16 6:4 8:2
12:1 13:55 14:86 15:80 16:5 18:56
23:45 24:3 31:7 35:10 37:7 38:9
40:1 41:120 42:10 44:5 45:55 46:10
47:1 49:10 50:8 52:728 54:250 58:2
59:20 60:4 61:3 62:6 63:38 64:144
65:13 66:60 67:61 68:17 69:45 70:26
71:16 72:18 74:73 76:39 77:9 78:3
79:10 80:18 81:28 82:7 83:6 84:5
85:47 86:4 87:2 88:1 89:12 91:53
92:1 93:10 94:4 95:4 96:6 97:1
98:13 99:59 101:2 102:13 103:278 104:106
107:2 108:22 109:12 110:4 111:17 114:23
115:1 116:6 117:61 118:32 119:24 121:27
122:11 123:8 124:39 125:4 128:86 129:44
130:147 131:71 132:58 133:145 134:100 135:1
136:214 137:88 138:10 139:17 140:51 141:5
142:57 143:33 144:40 145:2 146:131 147:67
148:201 149:15 150:130 151:7 152:82 153:13
154:29 155:64 156:68 157:34 158:50 159:164
160:31 161:32 162:53 163:71 164:25 165:66
166:1 167:19 168:160 169:12 170:114 172:10
173:19 174:1 175:19 176:12 177:10 178:2
179:11 180:21 181:1 182:1 184:5 185:63
186:2 187:19 188:14 189:5 190:34 191:36
192:1508 193:318 194:132 195:82 196:158 197:129
198:500 199:325 200:231 201:38 202:627 203:432
204:355 205:199 206:208 207:196 208:105 209:133
210:184 211:13 212:151 213:16 214:8 216:155
217:11 218:22 219:6 220:17 222:5 223:3
End of report
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