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

REN Routing Table Report cscora at frr.nsrc.org
Mon Aug 9 20:15:58 UTC 2021


Global R&E Routing Table Report   20:15 GMT Mon 09 Aug, 2021

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

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

BGP routing table entries examined:                               20463
    Prefixes after maximum aggregation (per Origin AS):           11158
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       12575
Total ASes present in the Internet Routing Table:                  2805
    Prefixes per ASN:                                              7.30
Origin-only ASes present in the Internet Routing Table:            2398
Origin ASes announcing only one prefix:                            1106
Transit ASes present in the Internet Routing Table:                 407
Transit-only ASes present in the Internet Routing Table:             77
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:                      36837
Number of 32-bit ASNs visible in the Routing Table:                 605
Prefixes from 32-bit ASNs in the Routing Table:                    1763
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:                    269306599
    Equivalent to 16 /8s, 13 /16s and 74 /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:        2572

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

Prefixes being announced by APNIC Region ASes:                     4969
    Total APNIC prefixes after maximum aggregation:                2421
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4930
    Unique aggregates announced from the APNIC address blocks:     2750
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:                238
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:    212
Number of APNIC addresses announced to Internet:               47085948
    Equivalent to 2 /8s, 206 /16s and 121 /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:                      9573
    Total ARIN prefixes after maximum aggregation:                 5182
    ARIN Deaggregation factor:                                     1.85
Prefixes being announced from the ARIN address blocks:             9594
    Unique aggregates announced from the ARIN address blocks:      5897
ARIN Region origin ASes present in the Internet Routing Table:     1249
    ARIN Prefixes per ASN:                                         7.68
ARIN Region origin ASes announcing only one prefix:                 451
ARIN Region transit ASes present in the Internet Routing Table:     166
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:     162
Number of ARIN addresses announced to Internet:               154881441
    Equivalent to 9 /8s, 59 /16s and 77 /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:                      3435
    Total RIPE prefixes after maximum aggregation:                 2760
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3466
    Unique aggregates announced from the RIPE address blocks:      2804
RIPE Region origin ASes present in the Internet Routing Table:      675
    RIPE Prefixes per ASN:                                         5.13
RIPE Region origin ASes announcing only one prefix:                 323
RIPE Region transit ASes present in the Internet Routing Table:     111
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:     130
Number of RIPE addresses announced to Internet:                59729290
    Equivalent to 3 /8s, 143 /16s and 101 /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:                    1573
    Total LACNIC prefixes after maximum aggregation:                592
    LACNIC Deaggregation factor:                                   2.66
Prefixes being announced from the LACNIC address blocks:           1572
    Unique aggregates announced from the LACNIC address blocks:     819
LACNIC Region origin ASes present in the Internet Routing Table:    178
    LACNIC Prefixes per ASN:                                       8.83
LACNIC Region origin ASes announcing only one prefix:                71
LACNIC Region transit ASes present in the Internet Routing Table:    28
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    76
Number of LACNIC addresses announced to Internet:               4730688
    Equivalent to 0 /8s, 72 /16s and 47 /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:                    890
    Total AfriNIC prefixes after maximum aggregation:               186
    AfriNIC Deaggregation factor:                                  4.78
Prefixes being announced from the AfriNIC address blocks:           894
    Unique aggregates announced from the AfriNIC address blocks:    298
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     18.24
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   13
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:   25
Number of AfriNIC addresses announced to Internet:              2812160
    Equivalent to 0 /8s, 42 /16s and 233 /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         629       2140     457  SINET-AS Research Organization of Infor
  7497         435        214      25  CSTNET-AS-AP Computer Network Informati
 58647         198         18       2  KAGAWAU-AS Kagawa University, JP
  1237         196         75     137  KREONET-AS-KR KISTI, KR
  7575         180        330     126  AARNET-AS-AP Australian Academic and Re
  4538         168       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         747       3282      68  GOOGLE, US
  7896         246         51       7  NU-AS, US
   376         234        180     158  RISQ-AS, CA
   668         210        702     181  DNIC-AS-00668, US
  8075         207      11189     185  MICROSOFT-CORP-MSN-AS-BLOCK, US
  5786         201         16       1  UPRENET, PR
  6939         172        121     123  HURRICANE, US
  2152         160        505      88  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          57         81      52  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         203        207      42  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
 19611          44         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          42         16       1  Red de Interconexion Universitaria, AR
 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          72          5      31  EUN, EG
  8094          55         48       4  PUKNET, ZA
327700          39         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         747       3282      68  GOOGLE, US
  2907         629       2140     457  SINET-AS Research Organization of Infor
  7497         435        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         246         51       7  NU-AS, US
   376         234        180     158  RISQ-AS, CA
   668         210        702     181  DNIC-AS-00668, US
  8075         207      11189     185  MICROSOFT-CORP-MSN-AS-BLOCK, US
  1916         203        207      42  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         435          410  CSTNET-AS-AP Computer Network Information Cente
  2018         329          255  TENET-1, ZA
  7896         246          239  NU-AS, US
  5786         201          200  UPRENET, PR
 58647         198          196  KAGAWAU-AS Kagawa University, JP
  2907         629          172  SINET-AS Research Organization of Information a
  8895         173          169  ISU Internet Services Unit ISU, SA
  1916         203          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    /17:423     /18:461     
/19:721     /20:935     /21:959     /22:1475    /23:1594    /24:11095   
/25:83      /26:65      /27:55      /28:37      /29:32      /30:19      
/31:0       /32:31      

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

   ASN  No of nets  Total ann.  Description
 15169         275         747  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         172  HURRICANE, US
 23024          53         115  OCDE, US
 58647          34         198  KAGAWAU-AS Kagawa University, JP
327700          33          39  MoRENet, MZ
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 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       23:14       24:5        31:6        35:1      
  37:6        38:9        40:1        41:140      42:30       44:5      
  45:71       46:7        47:11       49:10       50:4        52:2      
  58:4        59:20       60:4        61:3        62:7        63:38     
  64:84       65:8        66:60       67:45       68:8        69:18     
  70:9        71:1        72:24       74:83       76:33       77:6      
  78:3        79:10       80:14       81:29       82:4        83:7      
  84:9        85:33       86:9        87:1        88:1        89:9      
  91:47       92:1        93:12       94:4        95:5        96:5      
  97:1        98:2       101:3       102:10      103:306     104:84     
 106:1       107:16      108:43      109:8       110:5       111:21     
 112:4       113:1       114:23      116:5       117:61      118:32     
 119:19      121:27      122:8       123:8       124:42      125:13     
 128:81      129:173     130:95      131:102     132:60      133:137    
 134:97      136:193     137:148     138:10      139:5       140:53     
 141:2       142:156     143:39      144:54      146:125     147:69     
 148:160     149:13      150:41      151:6       152:79      153:11     
 154:24      155:50      156:66      157:25      158:45      159:117    
 160:25      161:19      162:23      163:65      164:40      165:16     
 166:1       167:17      168:131     169:10      170:66      171:1      
 172:93      173:86      175:32      176:8       177:10      178:1      
 179:8       180:21      181:11      182:6       184:8       185:45     
 186:3       187:18      188:13      189:6       190:138     191:36     
 192:1457    193:252     194:144     195:93      196:170     197:5      
 198:538     199:288     200:255     201:39      202:635     203:440    
 204:370     205:180     206:191     207:176     208:73      209:131    
 210:185     211:14      212:169     213:4       214:7       216:127    
 217:15      218:26      219:14      220:16      222:4       223:4      


End of report


More information about the ren-bgp-stats-all mailing list