[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Internet2 (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Aug 20 22:01:05 UTC 2022
IPv4 R&E Routing Table Report 22:00 GMT Sat 20 Aug, 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: 22412
Prefixes after maximum aggregation (per Origin AS): 12576
Deaggregation factor: 1.78
Unique aggregates announced (without unneeded subnets): 14595
Number of IPv4 prefixes with a valid ROA: 7591
Number of IPv4 prefixes with an invalid ROA: 66
Number of IPv4 prefixes with no ROA: 14755
Total ASes present in the Internet Routing Table: 2785
Prefixes per ASN: 8.05
Origin-only ASes present in the Internet Routing Table: 2400
Origin ASes announcing only one prefix: 1079
Transit ASes present in the Internet Routing Table: 385
Transit-only ASes present in the Internet Routing Table: 61
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: 40026
Number of 32-bit ASNs visible in the Routing Table: 640
Prefixes from 32-bit ASNs in the Routing Table: 1802
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: 4
Number of addresses announced to Internet: 242957816
Equivalent to 14 /8s, 123 /16s and 61 /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: 2901
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4633
Total APNIC prefixes after maximum aggregation: 2311
APNIC Deaggregation factor: 2.00
Prefixes being announced from the APNIC address blocks: 4696
Unique aggregates announced from the APNIC address blocks: 2669
APNIC Region origin ASes present in the Internet Routing Table: 586
APNIC Prefixes per ASN: 8.01
APNIC Region origin ASes announcing only one prefix: 255
APNIC Region transit ASes present in the Internet Routing Table: 69
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: 231
Number of APNIC addresses announced to Internet: 46052160
Equivalent to 2 /8s, 190 /16s and 179 /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: 11777
Total ARIN prefixes after maximum aggregation: 6600
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 11596
Unique aggregates announced from the ARIN address blocks: 7795
ARIN Region origin ASes present in the Internet Routing Table: 1239
ARIN Prefixes per ASN: 9.36
ARIN Region origin ASes announcing only one prefix: 431
ARIN Region transit ASes present in the Internet Routing Table: 166
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: 179
Number of ARIN addresses announced to Internet: 131983256
Equivalent to 7 /8s, 221 /16s and 231 /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: 3601
Total RIPE prefixes after maximum aggregation: 2867
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3714
Unique aggregates announced from the RIPE address blocks: 3023
RIPE Region origin ASes present in the Internet Routing Table: 683
RIPE Prefixes per ASN: 5.44
RIPE Region origin ASes announcing only one prefix: 306
RIPE Region transit ASes present in the Internet Routing Table: 100
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: 137
Number of RIPE addresses announced to Internet: 58038016
Equivalent to 3 /8s, 117 /16s and 151 /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: 1449
Total LACNIC prefixes after maximum aggregation: 580
LACNIC Deaggregation factor: 2.50
Prefixes being announced from the LACNIC address blocks: 1456
Unique aggregates announced from the LACNIC address blocks: 797
LACNIC Region origin ASes present in the Internet Routing Table: 163
LACNIC Prefixes per ASN: 8.93
LACNIC Region origin ASes announcing only one prefix: 64
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68
Number of LACNIC addresses announced to Internet: 4253472
Equivalent to 0 /8s, 64 /16s and 231 /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: 946
Total AfriNIC prefixes after maximum aggregation: 212
AfriNIC Deaggregation factor: 4.46
Prefixes being announced from the AfriNIC address blocks: 946
Unique aggregates announced from the AfriNIC address blocks: 307
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 19.71
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 2.9
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2629888
Equivalent to 0 /8s, 40 /16s and 33 /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 572 2155 456 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
1237 188 74 134 KREONET-AS-KR KISTI, KR
7575 174 329 120 AARNET-AS-AP Australian Academic and Re
58647 174 18 2 KAGAWAU-AS Kagawa University, JP
4538 128 4192 73 ERX-CERNET-BKB China Education and Rese
55824 115 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 2824 4568 1246 AMAZON-02, US
14618 624 3991 482 AMAZON-AES, US
668 218 687 180 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 156 507 91 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
1 122 2 46 LVLT-1, US
270 120 329 85 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
680 282 1951 250 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 178 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 98 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 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 44 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 59 102 39 Fundacao Carlos Chagas Filho de Amparo
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
61468 46 3 15 CEDIA, EC
4270 42 16 1 Red de Interconexion Universitaria, AR
28571 41 40 18 UNIVERSIDADE DE SAO PAULO, BR
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
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 375 319 73 TENET-1, ZA
36914 232 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 38 28 3 RENU, UG
327700 34 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 19 1 13 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 2824 4568 1246 AMAZON-02, US
14618 624 3991 482 AMAZON-AES, US
2907 572 2155 456 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 375 319 73 TENET-1, ZA
680 282 1951 250 DFN Verein zur Foerderung eines Deutsch
36914 232 82 3 KENET-AS, KE
668 218 687 180 DNIC-AS-00668, US
376 203 178 152 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 434 410 CSTNET-AS-AP Computer Network Information Cente
2018 375 302 TENET-1, ZA
36914 232 229 KENET-AS, KE
5786 200 199 UPRENET, PR
8895 178 174 ISU Internet Services Unit ISU, SA
58647 174 172 KAGAWAU-AS Kagawa University, JP
14618 624 142 AMAZON-AES, US
1916 176 132 Rede Nacional de Ensino e Pesquisa, BR
18558 136 132 NETBLK-RCOEK, US
2907 572 116 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
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 /16:2087 /17:466 /18:471
/19:608 /20:988 /21:1004 /22:1610 /23:1772 /24:12768
/25:87 /26:55 /27:149 /28:7 /29:54 /30:0
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 430 2824 AMAZON-02, US
36914 219 232 KENET-AS, KE
14618 207 624 AMAZON-AES, US
8895 173 178 ISU Internet Services Unit ISU, SA
32440 75 90 LONI, US
23024 53 114 OCDE, US
1 38 122 LVLT-1, US
46115 32 35 LUTHER, US
25977 31 45 HCCS, US
28614 31 37 Fundacao Universidade Regional de Blumenau, BR
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 13:58 14:85 15:84 16:5 18:62
23:48 24:3 31:7 35:10 37:7 38:9
40:1 41:130 42:10 44:6 45:48 46:10
47:1 49:10 50:8 52:736 54:250 58:2
59:20 60:4 61:3 62:10 63:38 64:142
65:12 66:62 67:61 68:17 69:45 70:27
71:16 72:16 74:72 76:42 77:9 78:3
79:10 80:18 81:27 82:7 83:6 84:5
85:47 86:6 87:2 88:1 89:12 91:56
92:1 93:10 94:4 95:4 96:6 97:1
98:13 99:60 101:6 102:13 103:342 104:106
107:1 108:22 109:12 110:4 111:9 114:23
115:1 116:8 117:61 118:32 119:24 121:27
122:11 123:8 124:39 125:4 128:86 129:45
130:144 131:81 132:54 133:144 134:101 135:2
136:214 137:88 138:12 139:17 140:57 141:5
142:54 143:33 144:40 145:2 146:131 147:66
148:201 149:15 150:130 151:7 152:82 153:13
154:28 155:73 156:69 157:29 158:47 159:165
160:31 161:32 162:53 163:83 164:21 165:66
166:1 167:22 168:169 169:14 170:115 172:10
173:18 174:1 175:30 176:12 177:11 178:2
179:11 180:18 181:1 182:4 184:4 185:70
186:3 187:19 188:14 189:3 190:34 191:36
192:1512 193:318 194:132 195:88 196:160 197:137
198:496 199:315 200:223 201:38 202:637 203:436
204:370 205:155 206:208 207:193 208:107 209:132
210:183 211:13 212:173 213:16 214:8 216:160
217:11 218:22 219:6 220:17 222:5 223:4
End of report
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