[REN-BGP-stats-all] Global R&E Routing Table Report - KREONet2 R&E view

REN Routing Table Report cscora at frr.nsrc.org
Sat Jul 17 20:15:58 UTC 2021


Global R&E Routing Table Report   20:15 GMT Sat 17 Jul, 2021

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

Analysis Summary
----------------

BGP routing table entries examined:                               20425
    Prefixes after maximum aggregation (per Origin AS):           11148
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       12566
Total ASes present in the Internet Routing Table:                  2790
    Prefixes per ASN:                                              7.32
Origin-only ASes present in the Internet Routing Table:            2387
Origin ASes announcing only one prefix:                            1101
Transit ASes present in the Internet Routing Table:                 403
Transit-only ASes present in the Internet Routing Table:             74
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      16
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                23
    Number of instances of unregistered ASNs:                        23
Number of 32-bit ASNs allocated by the RIRs:                      36638
Number of 32-bit ASNs visible in the Routing Table:                 598
Prefixes from 32-bit ASNs in the Routing Table:                    1734
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    4
Prefixes being announced from unallocated address space:              7
Number of addresses announced to Internet:                    269193527
    Equivalent to 16 /8s, 11 /16s and 145 /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:               99.5
Total number of prefixes smaller than registry allocations:        2574

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4973
    Total APNIC prefixes after maximum aggregation:                2429
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4932
    Unique aggregates announced from the APNIC address blocks:     2763
APNIC Region origin ASes present in the Internet Routing Table:     572
    APNIC Prefixes per ASN:                                        8.62
APNIC Region origin ASes announcing only one prefix:                242
APNIC Region transit ASes present in the Internet Routing Table:     64
Average APNIC Region AS path length visible:                        3.8
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    213
Number of APNIC addresses announced to Internet:               47150956
    Equivalent to 2 /8s, 207 /16s and 119 /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:                      9515
    Total ARIN prefixes after maximum aggregation:                 5160
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:             9531
    Unique aggregates announced from the ARIN address blocks:      5856
ARIN Region origin ASes present in the Internet Routing Table:     1237
    ARIN Prefixes per ASN:                                         7.70
ARIN Region origin ASes announcing only one prefix:                 446
ARIN Region transit ASes present in the Internet Routing Table:     165
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     156
Number of ARIN addresses announced to Internet:               154672641
    Equivalent to 9 /8s, 56 /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:                      3443
    Total RIPE prefixes after maximum aggregation:                 2761
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3481
    Unique aggregates announced from the RIPE address blocks:      2811
RIPE Region origin ASes present in the Internet Routing Table:      677
    RIPE Prefixes per ASN:                                         5.14
RIPE Region origin ASes announcing only one prefix:                 322
RIPE Region transit ASes present in the Internet Routing Table:     109
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:     131
Number of RIPE addresses announced to Internet:                59742346
    Equivalent to 3 /8s, 143 /16s and 152 /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:                    1582
    Total LACNIC prefixes after maximum aggregation:                595
    LACNIC Deaggregation factor:                                   2.66
Prefixes being announced from the LACNIC address blocks:           1581
    Unique aggregates announced from the LACNIC address blocks:     825
LACNIC Region origin ASes present in the Internet Routing Table:    177
    LACNIC Prefixes per ASN:                                       8.93
LACNIC Region origin ASes announcing only one prefix:                69
LACNIC Region transit ASes present in the Internet Routing Table:    28
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    74
Number of LACNIC addresses announced to Internet:               4740672
    Equivalent to 0 /8s, 72 /16s and 86 /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:                    889
    Total AfriNIC prefixes after maximum aggregation:               186
    AfriNIC Deaggregation factor:                                  4.78
Prefixes being announced from the AfriNIC address blocks:           893
    Unique aggregates announced from the AfriNIC address blocks:    304
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     18.60
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   24
Number of AfriNIC addresses announced to Internet:              2819840
    Equivalent to 0 /8s, 43 /16s and 7 /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         630       2155     456  SINET-AS Research Organization of Infor
  7497         430        214      25  CSTNET-AS-AP Computer Network Informati
 58647         198         18       2  KAGAWAU-AS Kagawa University, JP
  1237         195         75     137  KREONET-AS-KR KISTI, KR
  7575         179        330     125  AARNET-AS-AP Australian Academic and Re
  4538         169       4192      72  ERX-CERNET-BKB China Education and Rese
 55824         129         19      23  NKN-CORE-NW NKN Core Network, IN
 45102         100        202      53  CNNIC-ALIBABA-US-NET-AP Alibaba US Tech
  4621          81         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         744       3282      67  GOOGLE, US
  7896         245         51       7  NU-AS, US
   376         234        180     158  RISQ-AS, CA
   668         209        702     180  DNIC-AS-00668, US
  8075         205      11189     184  MICROSOFT-CORP-MSN-AS-BLOCK, US
  5786         200         16       1  UPRENET, PR
  6939         170        121     123  HURRICANE, US
  2152         160        507      91  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
   270         117        297      87  AS270, 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         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          98       1520      85  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          62         32      59  ROEDUNET, RO
  1930          56         80      51  RCCN Fundacao para a Ciencia e a Tecnol

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         202        207      41  Associacao Rede Nacional de Ensino e Pe
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         24      54  Red Universitaria Nacional, CL
 27884          93          6       2  CABLECOLOR S.A., HN
  1251          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          60        102      40  Fundacao Carlos Chagas Filho de Amparo 
 61468          45          3      15  CEDIA, EC
  4270          44         16       1  Red de Interconexion Universitaria, AR
 19611          44         17       2  Associacao Antonio Vieira - Unisinos, B
 28614          38          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         329        319      74  TENET-1, ZA
327687         136         28       3  RENU, UG
 36914          98         82       3  KENET-AS, KE
  2561          75          5      33  EUN, EG
  8094          55         48       4  PUKNET, ZA
327700          38         16       1  MoRENet, MZ
 37215          30          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37074          11          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         744       3282      67  GOOGLE, US
  2907         630       2155     456  SINET-AS Research Organization of Infor
  7497         430        214      25  CSTNET-AS-AP Computer Network Informati
  2018         329        319      74  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
  7896         245         51       7  NU-AS, US
   376         234        180     158  RISQ-AS, CA
   668         209        702     180  DNIC-AS-00668, US
  8075         205      11189     184  MICROSOFT-CORP-MSN-AS-BLOCK, US
  1916         202        207      41  Associacao Rede Nacional de Ensino e Pe

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         430          405  CSTNET-AS-AP Computer Network Information Cente
  2018         329          255  TENET-1, ZA
  7896         245          238  NU-AS, US
  5786         200          199  UPRENET, PR
 58647         198          196  KAGAWAU-AS Kagawa University, JP
  2907         630          174  SINET-AS Research Organization of Information a
  8895         173          169  ISU Internet Services Unit ISU, SA
  1916         202          161  Associacao Rede Nacional de Ensino e Pesquisa, 
 18558         137          133  NETBLK-RCOEK, US
327687         136          133  RENU, UG

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
     36843  UNALLOCATED  64.56.80.0/23            11096  FLORIDANET, US
     19658  UNALLOCATED  65.205.131.0/24          11096  FLORIDANET, US
     36843  UNALLOCATED  108.59.20.0/24           11096  FLORIDANET, US
     36843  UNALLOCATED  108.59.23.0/24           11096  FLORIDANET, US
     36843  UNALLOCATED  131.91.183.0/24          11096  FLORIDANET, US
     36843  UNALLOCATED  131.91.252.0/22          11096  FLORIDANET, US
     14822  UNALLOCATED  140.163.0.0/16           10466  MAGPI, US
     14822  UNALLOCATED  140.163.0.0/17           10466  MAGPI, US
     14822  UNALLOCATED  140.163.6.0/24           10466  MAGPI, US
     14822  UNALLOCATED  140.163.64.0/24          10466  MAGPI, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
172.16.150.0/24            9489  KARINET-AS Korea Aerospace Research Institute, 
172.16.160.0/24            9489  KARINET-AS Korea Aerospace Research Institute, 
172.30.0.0/16              9489  KARINET-AS Korea Aerospace Research Institute, 
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-dsua

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
172.16.150.0/24      Origin:      9489  KARINET-AS Korea Aerospace Research Inst
                    Transit:      1237  KREONET-AS-KR KISTI, KR
172.16.160.0/24      Origin:      9489  KARINET-AS Korea Aerospace Research Inst
                    Transit:      1237  KREONET-AS-KR KISTI, KR
172.30.0.0/16        Origin:      9489  KARINET-AS Korea Aerospace Research Inst
                    Transit:      1237  KREONET-AS-KR KISTI, KR
192.31.196.0/24      Origin:       112  UNASSIGNED
                    Transit:      7500  M-ROOT-DNS WIDE Project, JP
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
                    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       /11:6       /12:24      
/13:37      /14:84      /15:149     /16:2173    /17:422     /18:459     
/19:722     /20:932     /21:960     /22:1476    /23:1585    /24:11068   
/25:87      /26:65      /27:53      /28:37      /29:32      /30:18      
/31:0       /32:31      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 15169         275         744  GOOGLE, US
  8895         168         173  ISU Internet Services Unit ISU, SA
 27884          90          93  CABLECOLOR S.A., HN
 36914          85          98  KENET-AS, KE
  6939          69         170  HURRICANE, US
 23024          53         113  OCDE, US
 58647          34         198  KAGAWAU-AS Kagawa University, JP
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
327700          32          38  MoRENet, MZ
 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)
----------------------------------------------

   1:5         5:17        6:4         8:4        12:1        13:1      
  14:84       18:41       23:13       24:6        31:6        35:1      
  37:6        38:9        40:1        41:140      42:31       44:5      
  45:72       46:7        47:11       49:10       50:4        52:2      
  58:4        59:20       60:4        61:4        62:7        63:38     
  64:84       65:8        66:61       67:45       68:8        69:17     
  70:9        71:1        72:24       74:82       76:33       77:6      
  78:3        79:10       80:14       81:32       82:4        83:7      
  84:9        85:33       86:9        87:1        88:1        89:10     
  91:47       92:1        93:12       94:4        95:5        96:5      
  97:1        98:2       101:3       102:9       103:300     104:74     
 106:1       107:16      108:43      109:8       110:5       111:21     
 112:4       113:1       114:23      115:1       116:4       117:61     
 118:35      119:19      121:30      122:8       123:8       124:41     
 125:13      128:81      129:173     130:91      131:102     132:60     
 133:137     134:97      136:192     137:148     138:10      139:5      
 140:52      141:2       142:154     143:39      144:53      146:125    
 147:71      148:160     149:13      150:41      151:6       152:77     
 153:11      154:24      155:50      156:65      157:25      158:44     
 159:115     160:25      161:19      162:20      163:65      164:40     
 165:16      166:1       167:17      168:131     169:9       170:67     
 171:1       172:93      173:86      175:32      176:8       177:8      
 178:1       179:12      180:21      181:11      182:6       184:8      
 185:45      186:3       187:18      188:13      189:6       190:138    
 191:36      192:1447    193:254     194:145     195:94      196:169    
 197:4       198:535     199:284     200:256     201:39      202:630    
 203:440     204:367     205:181     206:194     207:177     208:72     
 209:131     210:188     211:14      212:168     213:4       214:7      
 216:127     217:16      218:26      219:14      220:24      222:4      
 223:4      

End of report


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