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

REN Routing Table Report cscora at frr.nsrc.org
Sat Sep 4 20:15:57 UTC 2021


Global R&E Routing Table Report   20:15 GMT Sat 04 Sep, 2021

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

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

BGP routing table entries examined:                               20703
    Prefixes after maximum aggregation (per Origin AS):           11109
    Deaggregation factor:                                          1.86
    Unique aggregates announced (without unneeded subnets):       12500
Total ASes present in the Internet Routing Table:                  2782
    Prefixes per ASN:                                              7.44
Origin-only ASes present in the Internet Routing Table:            2390
Origin ASes announcing only one prefix:                            1093
Transit ASes present in the Internet Routing Table:                 392
Transit-only ASes present in the Internet Routing Table:             67
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:                11
    Number of instances of unregistered ASNs:                        11
Number of 32-bit ASNs allocated by the RIRs:                      37129
Number of 32-bit ASNs visible in the Routing Table:                 605
Prefixes from 32-bit ASNs in the Routing Table:                    1781
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:                    269102391
    Equivalent to 16 /8s, 10 /16s and 45 /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:        2638

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

Prefixes being announced by APNIC Region ASes:                     5318
    Total APNIC prefixes after maximum aggregation:                2400
    APNIC Deaggregation factor:                                    2.22
Prefixes being announced from the APNIC address blocks:            5278
    Unique aggregates announced from the APNIC address blocks:     2700
APNIC Region origin ASes present in the Internet Routing Table:     574
    APNIC Prefixes per ASN:                                        9.20
APNIC Region origin ASes announcing only one prefix:                239
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:    216
Number of APNIC addresses announced to Internet:               47018636
    Equivalent to 2 /8s, 205 /16s and 114 /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:                      9525
    Total ARIN prefixes after maximum aggregation:                 5156
    ARIN Deaggregation factor:                                     1.85
Prefixes being announced from the ARIN address blocks:             9540
    Unique aggregates announced from the ARIN address blocks:      5869
ARIN Region origin ASes present in the Internet Routing Table:     1238
    ARIN Prefixes per ASN:                                         7.71
ARIN Region origin ASes announcing only one prefix:                 441
ARIN Region transit ASes present in the Internet Routing Table:     160
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:     160
Number of ARIN addresses announced to Internet:               154828769
    Equivalent to 9 /8s, 58 /16s and 127 /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:                 2765
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3469
    Unique aggregates announced from the RIPE address blocks:      2803
RIPE Region origin ASes present in the Internet Routing Table:      675
    RIPE Prefixes per ASN:                                         5.14
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:                59665034
    Equivalent to 3 /8s, 142 /16s and 106 /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:                    1500
    Total LACNIC prefixes after maximum aggregation:                589
    LACNIC Deaggregation factor:                                   2.55
Prefixes being announced from the LACNIC address blocks:           1499
    Unique aggregates announced from the LACNIC address blocks:     816
LACNIC Region origin ASes present in the Internet Routing Table:    174
    LACNIC Prefixes per ASN:                                       8.61
LACNIC Region origin ASes announcing only one prefix:                67
LACNIC Region transit ASes present in the Internet Routing Table:    23
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:    72
Number of LACNIC addresses announced to Internet:               4712512
    Equivalent to 0 /8s, 71 /16s and 232 /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:                    906
    Total AfriNIC prefixes after maximum aggregation:               193
    AfriNIC Deaggregation factor:                                  4.69
Prefixes being announced from the AfriNIC address blocks:           910
    Unique aggregates announced from the AfriNIC address blocks:    305
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     18.20
AfriNIC Region origin ASes announcing only one prefix:               23
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:   27
Number of AfriNIC addresses announced to Internet:              2810368
    Equivalent to 0 /8s, 42 /16s and 226 /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
  7497         669        214      26  CSTNET-AS-AP Computer Network Informati
  2907         630       2156     456  SINET-AS Research Organization of Infor
 58647         198         18       2  KAGAWAU-AS Kagawa University, JP
  1237         192         74     135  KREONET-AS-KR KISTI, KR
  7575         180        330     126  AARNET-AS-AP Australian Academic and Re
  4538         171       4192      72  ERX-CERNET-BKB China Education and Rese
  9264         136         17       3  ASNET Academia Sinica, TW
 55824         129         19      23  NKN-CORE-NW NKN Core Network, IN
 45102         106        206      55  CNNIC-ALIBABA-US-NET-AP Alibaba US Tech
  4621          81         37      10  UNINET-AS-AP UNINET-, TH

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         749       3282      68  GOOGLE, US
  7896         241         51       7  NU-AS, US
   376         234        180     158  RISQ-AS, CA
  8075         206      11189     185  MICROSOFT-CORP-MSN-AS-BLOCK, US
  5786         201         16       1  UPRENET, PR
   668         188        678     161  DNIC-AS-00668, US
  6939         171        121     122  HURRICANE, US
  2152         161        507      89  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
   270         119        329      88  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         275       1998     237  DFN Verein zur Foerderung eines Deutsch
   786         186       1763     184  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
  1251          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  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
 28571          37         26      15  UNIVERSIDADE DE SAO PAULO, BR

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         337        319      74  TENET-1, ZA
327687         134         28       3  RENU, UG
 36914          99         82       3  KENET-AS, KE
  2561          72          5      31  EUN, EG
  8094          55         48       4  PUKNET, ZA
327700          38         16       1  MoRENet, MZ
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          13          8       1  TERNET, TZ
 37074          11          8       2  UG-AS, GH

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         749       3282      68  GOOGLE, US
  7497         669        214      26  CSTNET-AS-AP Computer Network Informati
  2907         630       2156     456  SINET-AS Research Organization of Infor
  2018         337        319      74  TENET-1, ZA
   680         275       1998     237  DFN Verein zur Foerderung eines Deutsch
  7896         241         51       7  NU-AS, US
   376         234        180     158  RISQ-AS, CA
  8075         206      11189     185  MICROSOFT-CORP-MSN-AS-BLOCK, US
  1916         203        207      42  Associacao Rede Nacional de Ensino e Pe
  5786         201         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         669          643  CSTNET-AS-AP Computer Network Information Cente
  2018         337          263  TENET-1, ZA
  7896         241          234  NU-AS, US
  5786         201          200  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         203          161  Associacao Rede Nacional de Ensino e Pesquisa, 
 18558         137          133  NETBLK-RCOEK, US
  9264         136          133  ASNET Academia Sinica, TW

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
     19658  UNALLOCATED  65.205.131.0/24          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
     14822  UNALLOCATED  140.163.70.0/24          10466  MAGPI, US
     14822  UNALLOCATED  140.163.128.0/17         10466  MAGPI, US
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
    394784  UNALLOCATED  192.107.242.0/24         40831  PHS, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, 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
172.16.150.0/24     Transit:      1237  KREONET-AS-KR KISTI, KR
172.16.160.0/24      Origin:      9489  KARINET-AS Korea Aerospace Research Inst
172.16.160.0/24     Transit:      1237  KREONET-AS-KR KISTI, KR
172.30.0.0/16        Origin:      9489  KARINET-AS Korea Aerospace Research Inst
172.30.0.0/16       Transit:      1237  KREONET-AS-KR KISTI, KR
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      7500  M-ROOT-DNS WIDE Project, JP
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       /11:6       /12:24      
/13:37      /14:84      /15:149     /16:2172    /17:425     /18:464     
/19:720     /20:927     /21:943     /22:1471    /23:1593    /24:11127   
/25:172     /26:150     /27:115     /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         749  GOOGLE, US
  8895         168         173  ISU Internet Services Unit ISU, SA
  7497         128         669  CSTNET-AS-AP Computer Network Information Cente
 36914          86          99  KENET-AS, KE
  6939          69         171  HURRICANE, US
 23024          53         114  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       23:15       24:6        31:6        35:1      
  37:6        38:9        40:1        41:147      42:13       44:5      
  45:70       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        66:59       67:45       68:8        69:21     
  70:9        71:1        72:24       74:83       76:33       77:6      
  78:3        79:10       80:18       81:30       82:4        83:7      
  84:9        85:35       86:9        87:1        88:1        89:10     
  91:46       92:1        93:19       94:4        95:5        96:5      
  97:1        98:2       101:3       102:10      103:311     104:80     
 106:1       107:16      108:43      109:8       110:5       111:21     
 112:4       113:1       114:23      116:5       117:61      118:32     
 119:18      121:27      122:8       124:41      125:7       128:81     
 129:174     130:95      131:100     132:60      133:138     134:101    
 136:194     137:142     138:10      139:5       140:179     141:2      
 142:158     143:39      144:54      146:125     147:59      148:160    
 149:13      150:41      151:6       152:77      153:11      154:24     
 155:50      156:66      157:25      158:45      159:117     160:25     
 161:22      162:23      163:61      164:40      165:54      166:1      
 167:17      168:131     169:10      170:66      171:1       172:93     
 173:86      175:32      176:8       177:10      178:1       179:11     
 180:21      181:11      182:6       184:8       185:45      186:3      
 187:18      188:13      189:6       190:48      191:36      192:1444   
 193:250     194:142     195:93      196:178     197:5       198:538    
 199:287     200:256     201:39      202:625     203:437     204:367    
 205:179     206:190     207:174     208:74      209:134     210:185    
 211:14      212:169     213:4       214:7       216:128     217:15     
 218:25      219:14      220:16      222:4       223:4      

End of report


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