[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Aug 25 20:15:40 UTC 2022
IPv4 R&E Routing Table Report 20:15 GMT Thu 25 Aug, 2022
IPv4 BGP Table (R&E) as seen at KREONet2.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/
Analysis Summary
----------------
BGP routing table entries examined: 20338
Prefixes after maximum aggregation (per Origin AS): 11143
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 12413
Number of IPv4 prefixes with a valid ROA: 5622
Number of IPv4 prefixes with an invalid ROA: 85
Number of IPv4 prefixes with no ROA: 14631
Total ASes present in the Internet Routing Table: 2814
Prefixes per ASN: 7.23
Origin-only ASes present in the Internet Routing Table: 2417
Origin ASes announcing only one prefix: 1095
Transit ASes present in the Internet Routing Table: 397
Transit-only ASes present in the Internet Routing Table: 74
Paths with bogon ASNs present in the IPv4 Routing Table: 2
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 15
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: 40050
Number of 32-bit ASNs visible in the Routing Table: 646
Prefixes from 32-bit ASNs in the Routing Table: 1801
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: 2
Number of addresses announced to Internet: 268424979
Equivalent to 15 /8s, 255 /16s and 215 /24s
Percentage of available address space announced: 7.3
Percentage of allocated address space announced: 7.3
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: 2682
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 5055
Total APNIC prefixes after maximum aggregation: 2421
APNIC Deaggregation factor: 2.09
Prefixes being announced from the APNIC address blocks: 4926
Unique aggregates announced from the APNIC address blocks: 2721
APNIC Region origin ASes present in the Internet Routing Table: 593
APNIC Prefixes per ASN: 8.31
APNIC Region origin ASes announcing only one prefix: 262
APNIC Region transit ASes present in the Internet Routing Table: 74
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 233
Number of APNIC addresses announced to Internet: 47756652
Equivalent to 2 /8s, 216 /16s and 181 /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: 9217
Total ARIN prefixes after maximum aggregation: 5046
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 9279
Unique aggregates announced from the ARIN address blocks: 5605
ARIN Region origin ASes present in the Internet Routing Table: 1242
ARIN Prefixes per ASN: 7.47
ARIN Region origin ASes announcing only one prefix: 439
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 185
Number of ARIN addresses announced to Internet: 149952321
Equivalent to 8 /8s, 240 /16s and 23 /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: 3666
Total RIPE prefixes after maximum aggregation: 2882
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3733
Unique aggregates announced from the RIPE address blocks: 2983
RIPE Region origin ASes present in the Internet Routing Table: 691
RIPE Prefixes per ASN: 5.40
RIPE Region origin ASes announcing only one prefix: 308
RIPE Region transit ASes present in the Internet Routing Table: 105
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 137
Number of RIPE addresses announced to Internet: 63215942
Equivalent to 3 /8s, 196 /16s and 153 /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: 1443
Total LACNIC prefixes after maximum aggregation: 576
LACNIC Deaggregation factor: 2.51
Prefixes being announced from the LACNIC address blocks: 1444
Unique aggregates announced from the LACNIC address blocks: 792
LACNIC Region origin ASes present in the Internet Routing Table: 161
LACNIC Prefixes per ASN: 8.97
LACNIC Region origin ASes announcing only one prefix: 63
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 66
Number of LACNIC addresses announced to Internet: 4737312
Equivalent to 0 /8s, 72 /16s and 73 /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: 951
Total AfriNIC prefixes after maximum aggregation: 212
AfriNIC Deaggregation factor: 4.49
Prefixes being announced from the AfriNIC address blocks: 954
Unique aggregates announced from the AfriNIC address blocks: 310
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 19.88
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2762240
Equivalent to 0 /8s, 42 /16s and 38 /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 576 2140 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
45102 282 475 90 ALIBABA-CN-NET Alibaba US Technology Co
1237 192 74 134 KREONET-AS-KR KISTI, KR
4538 189 4192 73 ERX-CERNET-BKB China Education and Rese
7575 175 329 121 AARNET-AS-AP Australian Academic and Re
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
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
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
15169 752 3282 70 GOOGLE, US
8075 265 11728 228 MICROSOFT-CORP-MSN-AS-BLOCK, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 160 507 92 CSUNET-NW, US
6939 160 120 111 HURRICANE, US
18558 136 18 4 NETBLK-RCOEK, US
270 120 329 85 AS270, US
23024 114 7 17 OCDE, US
2920 111 34 7 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 180 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 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
3267 63 64 27 RUNNET, RU
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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/KREONet2/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 376 319 73 TENET-1, ZA
36914 236 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 40 28 3 RENU, UG
327700 33 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/KREONet2/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
15169 752 3282 70 GOOGLE, US
2907 576 2140 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 376 319 73 TENET-1, ZA
680 282 1951 250 DFN Verein zur Foerderung eines Deutsch
45102 282 475 90 ALIBABA-CN-NET Alibaba US Technology Co
8075 265 11728 228 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 236 82 3 KENET-AS, KE
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 432 408 CSTNET-AS-AP Computer Network Information Cente
2018 376 303 TENET-1, ZA
36914 236 233 KENET-AS, KE
5786 200 199 UPRENET, PR
45102 282 192 ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
8895 180 176 ISU Internet Services Unit ISU, SA
58647 175 173 KAGAWAU-AS Kagawa University, JP
1916 176 132 Rede Nacional de Ensino e Pesquisa, BR
18558 136 132 NETBLK-RCOEK, US
2907 576 119 SINET-AS Research Organization of Information a
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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/KREONet2/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/KREONet2/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: 17579 KREONET2-AS-KR KISTI, KR
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /10:4 /11:7 /12:23
/13:39 /14:82 /15:151 /16:2134 /17:464 /18:506
/19:735 /20:903 /21:906 /22:1478 /23:1641 /24:10939
/25:87 /26:57 /27:90 /28:21 /29:19 /30:20
/31:0 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 276 752 GOOGLE, US
36914 223 236 KENET-AS, KE
8895 175 180 ISU Internet Services Unit ISU, SA
32440 75 90 LONI, US
6939 62 160 HURRICANE, US
23024 53 114 OCDE, US
8075 37 265 MICROSOFT-CORP-MSN-AS-BLOCK, US
18632 34 63 VOLCANO-VISION, US
46115 32 35 LUTHER, US
25977 31 45 HCCS, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 5:18 8:8 12:1 13:1 14:86
18:43 23:15 24:3 31:7 34:2 35:5
37:2 38:9 40:1 41:127 42:15 43:1
44:5 45:34 46:5 47:40 49:10 50:4
52:2 58:11 59:21 60:4 61:3 62:15
63:39 64:83 65:8 66:43 67:45 68:8
69:20 70:11 71:1 72:16 74:116 76:37
77:7 78:4 79:10 80:20 81:27 82:6
83:6 84:9 85:46 86:10 87:1 88:1
89:10 91:47 92:1 93:4 94:8 95:4
96:5 97:1 98:2 101:8 102:13 103:323
104:76 107:16 108:43 109:11 110:6 111:17
113:4 114:23 116:6 117:61 118:33 119:23
121:28 122:8 123:8 124:39 125:4 128:86
129:39 130:90 131:80 132:59 133:145 134:100
136:200 137:74 138:12 139:5 140:46 141:1
142:156 143:31 144:25 145:2 146:130 147:55
148:192 149:12 150:132 151:6 152:78 153:13
154:28 155:53 156:67 157:23 158:41 159:116
160:26 161:27 162:22 163:71 164:10 165:57
166:1 167:17 168:121 169:9 170:68 172:91
173:86 175:30 176:8 177:11 178:1 179:10
180:18 181:1 182:4 184:6 185:60 186:3
187:19 188:13 189:3 190:34 191:35 192:1438
193:314 194:152 195:94 196:162 197:141 198:527
199:270 200:219 201:38 202:634 203:439 204:355
205:128 206:194 207:171 208:88 209:133 210:183
211:13 212:177 213:5 216:122 217:12 218:22
219:12 220:17 222:6 223:7
End of report
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