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

REN Routing Table Report cscora at frr.nsrc.org
Tue Sep 21 20:15:29 UTC 2021


Global R&E Routing Table Report   20:15 GMT Tue 21 Sep, 2021

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

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

BGP routing table entries examined:                               20503
    Prefixes after maximum aggregation (per Origin AS):           11147
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       12546
Total ASes present in the Internet Routing Table:                  2799
    Prefixes per ASN:                                              7.33
Origin-only ASes present in the Internet Routing Table:            2404
Origin ASes announcing only one prefix:                            1101
Transit ASes present in the Internet Routing Table:                 395
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 (211089)                              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:                      37280
Number of 32-bit ASNs visible in the Routing Table:                 606
Prefixes from 32-bit ASNs in the Routing Table:                    1783
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    3
Prefixes being announced from unallocated address space:              6
Number of addresses announced to Internet:                    268963895
    Equivalent to 16 /8s, 8 /16s and 16 /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:        2509

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

Prefixes being announced by APNIC Region ASes:                     5101
    Total APNIC prefixes after maximum aggregation:                2405
    APNIC Deaggregation factor:                                    2.12
Prefixes being announced from the APNIC address blocks:            5077
    Unique aggregates announced from the APNIC address blocks:     2736
APNIC Region origin ASes present in the Internet Routing Table:     583
    APNIC Prefixes per ASN:                                        8.71
APNIC Region origin ASes announcing only one prefix:                246
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:    219
Number of APNIC addresses announced to Internet:               47052396
    Equivalent to 2 /8s, 205 /16s and 246 /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:                      9538
    Total ARIN prefixes after maximum aggregation:                 5184
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:             9540
    Unique aggregates announced from the ARIN address blocks:      5875
ARIN Region origin ASes present in the Internet Routing Table:     1244
    ARIN Prefixes per ASN:                                         7.67
ARIN Region origin ASes announcing only one prefix:                 442
ARIN Region transit ASes present in the Internet Routing Table:     163
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:     160
Number of ARIN addresses announced to Internet:               154719969
    Equivalent to 9 /8s, 56 /16s and 214 /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:                      3462
    Total RIPE prefixes after maximum aggregation:                 2781
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3486
    Unique aggregates announced from the RIPE address blocks:      2823
RIPE Region origin ASes present in the Internet Routing Table:      679
    RIPE Prefixes per ASN:                                         5.13
RIPE Region origin ASes announcing only one prefix:                 325
RIPE Region transit ASes present in the Internet Routing Table:     107
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          16
Number of RIPE region 32-bit ASNs visible in the Routing Table:     131
Number of RIPE addresses announced to Internet:                59659978
    Equivalent to 3 /8s, 142 /16s and 86 /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:                    1488
    Total LACNIC prefixes after maximum aggregation:                585
    LACNIC Deaggregation factor:                                   2.54
Prefixes being announced from the LACNIC address blocks:           1487
    Unique aggregates announced from the LACNIC address blocks:     808
LACNIC Region origin ASes present in the Internet Routing Table:    172
    LACNIC Prefixes per ASN:                                       8.65
LACNIC Region origin ASes announcing only one prefix:                65
LACNIC Region transit ASes present in the Internet Routing Table:    24
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:    70
Number of LACNIC addresses announced to Internet:               4710944
    Equivalent to 0 /8s, 71 /16s and 226 /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:                    903
    Total AfriNIC prefixes after maximum aggregation:               186
    AfriNIC Deaggregation factor:                                  4.85
Prefixes being announced from the AfriNIC address blocks:           907
    Unique aggregates announced from the AfriNIC address blocks:    298
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     18.14
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:                      4.3
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2819072
    Equivalent to 0 /8s, 43 /16s and 4 /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         632       2157     458  SINET-AS Research Organization of Infor
  7497         432        214      25  CSTNET-AS-AP Computer Network Informati
 58647         198         18       2  KAGAWAU-AS Kagawa University, JP
  1237         192         74     135  KREONET-AS-KR KISTI, KR
  7575         175        329     121  AARNET-AS-AP Australian Academic and Re
  4538         172       4192      72  ERX-CERNET-BKB China Education and Rese
  9264         134         17       3  ASNET Academia Sinica, TW
 55824         129         19      23  NKN-CORE-NW NKN Core Network, IN
 45102          92        186      50  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         750       3282      67  GOOGLE, US
  7896         241         51       7  NU-AS, US
   376         234        180     158  RISQ-AS, CA
   668         210        702     181  DNIC-AS-00668, US
  8075         205      11189     184  MICROSOFT-CORP-MSN-AS-BLOCK, US
  5786         195         16       1  UPRENET, PR
  6939         170        121     121  HURRICANE, US
  2152         161        507      89  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
   270         115        289      85  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         174         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  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          61         32      58  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         204        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          43         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         340        319      73  TENET-1, ZA
327687         135         28       3  RENU, UG
 36914         101         82       3  KENET-AS, KE
  2561          72          5      31  EUN, EG
  8094          55         48       4  PUKNET, ZA
 37215          32          8       1  MAREN, MW
327700          30         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          14          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         750       3282      67  GOOGLE, US
  2907         632       2157     458  SINET-AS Research Organization of Infor
  7497         432        214      25  CSTNET-AS-AP Computer Network Informati
  2018         340        319      73  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
   668         210        702     181  DNIC-AS-00668, US
  8075         205      11189     184  MICROSOFT-CORP-MSN-AS-BLOCK, US
  1916         204        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         432          407  CSTNET-AS-AP Computer Network Information Cente
  2018         340          267  TENET-1, ZA
  7896         241          234  NU-AS, US
 58647         198          196  KAGAWAU-AS Kagawa University, JP
  5786         195          194  UPRENET, PR
  2907         632          174  SINET-AS Research Organization of Information a
  8895         174          170  ISU Internet Services Unit ISU, SA
  1916         204          162  Associacao Rede Nacional de Ensino e Pesquisa, 
 18558         137          133  NETBLK-RCOEK, US
327687         135          132  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
     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, 
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
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
192.107.242.0/24     Origin:    394784  UNASSIGNED
192.107.242.0/24    Transit:     40831  PHS, US

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     /16:2170    /17:423     /18:469     
/19:706     /20:923     /21:946     /22:1480    /23:1605    /24:11149   
/25:82      /26:66      /27:59      /28:38      /29:32      /30:19      
/31:0       /32:31      

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

   ASN  No of nets  Total ann.  Description
 15169         275         750  GOOGLE, US
  8895         169         174  ISU Internet Services Unit ISU, SA
 36914          88         101  KENET-AS, KE
  6939          68         170  HURRICANE, US
 23024          53         114  OCDE, US
 58647          34         198  KAGAWAU-AS Kagawa University, JP
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 18632          29          55  VOLCANO-VISION, 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        41:142      42:13       44:5      
  45:66       46:7        47:7        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        72:25       74:83       76:33       77:6      
  78:3        79:10       80:18       81:29       82:5        83:7      
  84:9        85:35       86:9        87:1        88:1        89:10     
  91:48       92:1        93:19       94:4        95:5        96:5      
  97:1        98:2       101:7       102:12      103:322     104:79     
 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       123:8       124:39      125:7      
 128:81      129:173     130:95      131:95      132:61      133:138    
 134:101     136:188     137:140     138:8       139:5       140:177    
 141:2       142:160     143:39      144:54      146:125     147:61     
 148:160     149:13      150:41      151:6       152:77      153:11     
 154:24      155:51      156:66      157:25      158:45      159:117    
 160:25      161:22      162:23      163:67      164:40      165:54     
 166:2       167:17      168:131     169:10      170:67      171:1      
 172:93      173:86      175:31      176:8       177:10      178:1      
 179:11      180:21      181:11      182:6       184:6       185:46     
 186:3       187:18      188:13      189:3       190:48      191:32     
 192:1453    193:255     194:144     195:93      196:179     197:5      
 198:541     199:287     200:253     201:39      202:632     203:427    
 204:370     205:180     206:191     207:176     208:72      209:135    
 210:185     211:14      212:171     213:4       214:7       216:128    
 217:15      218:25      219:14      220:16      222:5       223:4      


End of report


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