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

REN Routing Table Report cscora at frr.nsrc.org
Sun Dec 12 20:15:28 UTC 2021


Global R&E Routing Table Report   20:15 GMT Sun 12 Dec, 2021

  BGP Table (R&E) as seen at KREONet2.

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

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

BGP routing table entries examined:                               20163
    Prefixes after maximum aggregation (per Origin AS):           10947
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       12266
Total ASes present in the Internet Routing Table:                  2777
    Prefixes per ASN:                                              7.26
Origin-only ASes present in the Internet Routing Table:            2383
Origin ASes announcing only one prefix:                            1097
Transit ASes present in the Internet Routing Table:                 394
Transit-only ASes present in the Internet Routing Table:             70
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:                 2
    Number of instances of unregistered ASNs:                         2
Number of 32-bit ASNs allocated by the RIRs:                      38065
Number of 32-bit ASNs visible in the Routing Table:                 619
Prefixes from 32-bit ASNs in the Routing Table:                    1713
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    264370455
    Equivalent to 15 /8s, 193 /16s and 249 /24s
    Percentage of available address space announced:                7.1
    Percentage of allocated address space announced:                7.1
    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:        2563

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

Prefixes being announced by APNIC Region ASes:                     5051
    Total APNIC prefixes after maximum aggregation:                2422
    APNIC Deaggregation factor:                                    2.09
Prefixes being announced from the APNIC address blocks:            4935
    Unique aggregates announced from the APNIC address blocks:     2714
APNIC Region origin ASes present in the Internet Routing Table:     574
    APNIC Prefixes per ASN:                                        8.60
APNIC Region origin ASes announcing only one prefix:                243
APNIC Region transit ASes present in the Internet Routing Table:     71
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    223
Number of APNIC addresses announced to Internet:               47506028
    Equivalent to 2 /8s, 212 /16s and 226 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-151865
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                      9182
    Total ARIN prefixes after maximum aggregation:                 4928
    ARIN Deaggregation factor:                                     1.86
Prefixes being announced from the ARIN address blocks:             9268
    Unique aggregates announced from the ARIN address blocks:      5576
ARIN Region origin ASes present in the Internet Routing Table:     1222
    ARIN Prefixes per ASN:                                         7.58
ARIN Region origin ASes announcing only one prefix:                 440
ARIN Region transit ASes present in the Internet Routing Table:     159
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:               149633729
    Equivalent to 8 /8s, 235 /16s and 58 /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:                      3484
    Total RIPE prefixes after maximum aggregation:                 2794
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3509
    Unique aggregates announced from the RIPE address blocks:      2836
RIPE Region origin ASes present in the Internet Routing Table:      680
    RIPE Prefixes per ASN:                                         5.16
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:                          16
Number of RIPE region 32-bit ASNs visible in the Routing Table:     134
Number of RIPE addresses announced to Internet:                59784906
    Equivalent to 3 /8s, 144 /16s and 62 /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:                    1526
    Total LACNIC prefixes after maximum aggregation:                610
    LACNIC Deaggregation factor:                                   2.50
Prefixes being announced from the LACNIC address blocks:           1528
    Unique aggregates announced from the LACNIC address blocks:     840
LACNIC Region origin ASes present in the Internet Routing Table:    177
    LACNIC Prefixes per ASN:                                       8.63
LACNIC Region origin ASes announcing only one prefix:                70
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    75
Number of LACNIC addresses announced to Internet:               4589856
    Equivalent to 0 /8s, 70 /16s and 9 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                    918
    Total AfriNIC prefixes after maximum aggregation:               191
    AfriNIC Deaggregation factor:                                  4.81
Prefixes being announced from the AfriNIC address blocks:           921
    Unique aggregates announced from the AfriNIC address blocks:    298
AfriNIC Region origin ASes present in the Internet Routing Table:    52
    AfriNIC Prefixes per ASN:                                     17.71
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   13
Average AfriNIC Region AS path length visible:                      3.8
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2855424
    Equivalent to 0 /8s, 43 /16s and 146 /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         624       2157     458  SINET-AS Research Organization of Infor
  7497         430        182      24  CSTNET-AS-AP Computer Network Informati
 45102         238        428      85  ALIBABA-CN-NET Alibaba US Technology Co
  1237         191         74     135  KREONET-AS-KR KISTI, KR
  4538         178       4192      72  ERX-CERNET-BKB China Education and Rese
 58647         177         18       2  KAGAWAU-AS Kagawa University, JP
  7575         176        329     122  AARNET-AS-AP Australian Academic and Re
 55824         129         19      23  NKN-CORE-NW NKN Core Network, IN
  4621          80         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         732       3282      67  GOOGLE, US
  7896         251         51       7  NU-AS, US
  8075         205      10901     187  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  6939         172        120     122  HURRICANE, US
  2152         151        507      89  CSUNET-NW, US
 18558         135         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US
 23024         114          7      17  OCDE, 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         280       1950     246  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         177         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          68        647      61  FR-RENATER Reseau National de telecommu
  2614          59         33      57  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  Rede Nacional de Ensino e Pesquisa, BR
 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 
 52286          53          4      31  Columbus Networks Guatemala, GT
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          45          3      15  CEDIA, EC
  4270          43         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         356        319      74  TENET-1, ZA
 36914         205         82       3  KENET-AS, KE
  2561          73          5      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327700          42         16       1  MoRENet, MZ
327687          37         28       3  RENU, UG
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37182          13          8       1  TERNET, TZ
 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         732       3282      67  GOOGLE, US
  2907         624       2157     458  SINET-AS Research Organization of Infor
  7497         430        182      24  CSTNET-AS-AP Computer Network Informati
  2018         356        319      74  TENET-1, ZA
   680         280       1950     246  DFN Verein zur Foerderung eines Deutsch
  7896         251         51       7  NU-AS, US
 45102         238        428      85  ALIBABA-CN-NET Alibaba US Technology Co
  8075         205      10901     187  MICROSOFT-CORP-MSN-AS-BLOCK, US
 36914         205         82       3  KENET-AS, KE
   376         203        178     152  RISQ-AS, CA

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          406  CSTNET-AS-AP Computer Network Information Cente
  2018         356          282  TENET-1, ZA
  7896         251          244  NU-AS, US
 36914         205          202  KENET-AS, KE
  5786         200          199  UPRENET, PR
 58647         177          175  KAGAWAU-AS Kagawa University, JP
  8895         177          173  ISU Internet Services Unit ISU, SA
  2907         624          166  SINET-AS Research Organization of Information a
  1916         203          161  Rede Nacional de Ensino e Pesquisa, BR
 45102         238          153  ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,

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
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     17579  KREONET2-AS-KR KISTI, KR

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

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:4       /11:6       /12:23      
/13:36      /14:82      /15:153     /16:2123    /17:445     /18:489     
/19:720     /20:916     /21:921     /22:1478    /23:1618    /24:10872   
/25:80      /26:68      /27:54      /28:22      /29:8       /30:15      
/31:0       /32:29      

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

   ASN  No of nets  Total ann.  Description
 15169         273         732  GOOGLE, US
 36914         191         205  KENET-AS, KE
  8895         172         177  ISU Internet Services Unit ISU, SA
  6939          68         172  HURRICANE, US
 23024          53         114  OCDE, US
327700          36          42  MoRENet, MZ
 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)
----------------------------------------------

   1:4         5:17        8:6        12:1        13:1        14:84     
  18:42       23:16       24:3        31:6        35:1        37:6      
  38:9        40:1        41:126      42:13       44:5        45:56     
  46:6        47:32       49:10       50:4        52:2        58:7      
  59:20       60:4        61:3        62:7        63:38       64:84     
  65:7        66:59       67:45       68:8        69:20       70:7      
  71:1        72:23       74:83       76:34       77:6        78:3      
  79:10       80:17       81:25       82:5        83:7        84:9      
  85:33       86:6        87:1        88:1        89:10       91:47     
  92:1        93:19       94:4        95:6        96:5        97:1      
  98:2       101:8       102:14      103:321     104:76      106:1      
 107:16      108:43      109:9       110:5       111:17      112:4      
 113:1       114:23      116:5       117:61      118:32      119:21     
 121:27      122:8       123:8       124:39      125:4       128:85     
 129:174     130:93      131:86      132:58      133:139     134:101    
 136:193     137:80      138:8       139:5       140:40      141:2      
 142:143     143:35      144:52      145:1       146:125     147:57     
 148:160     149:13      150:40      151:6       152:77      153:11     
 154:26      155:53      156:68      157:26      158:42      159:117    
 160:25      161:22      162:23      163:63      164:46      165:54     
 166:2       167:17      168:162     169:10      170:69      171:1      
 172:91      173:86      175:29      176:8       177:10      178:1      
 179:11      180:21      181:12      182:6       184:8       185:46     
 186:3       187:18      188:13      189:3       190:50      191:37     
 192:1425    193:257     194:142     195:92      196:149     197:113    
 198:515     199:256     200:253     201:39      202:632     203:419    
 204:333     205:173     206:191     207:172     208:71      209:127    
 210:184     211:14      212:173     213:4       216:134     217:14     
 218:25      219:14      220:17      222:5       223:4      

End of report


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