[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Tue Apr 4 20:15:38 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Tue 04 Apr, 2023

  IPv4 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:                               21104
    Prefixes after maximum aggregation (per Origin AS):           11463
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       12797
    Number of IPv4 prefixes with a valid ROA:                      6277
    Number of IPv4 prefixes with an invalid ROA:                     34
    Number of IPv4 prefixes with no ROA:                          14793
Total ASes present in the Internet Routing Table:                  2855
    Prefixes per ASN:                                              7.39
Origin-only ASes present in the Internet Routing Table:            2453
Origin ASes announcing only one prefix:                            1085
Transit ASes present in the Internet Routing Table:                 402
Transit-only ASes present in the Internet Routing Table:             88
Paths with bogon ASNs present in the IPv4 Routing Table:              2
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 3
    Number of instances of unregistered ASNs:                         3
Number of 32-bit ASNs allocated by the RIRs:                      41592
Number of 32-bit ASNs visible in the Routing Table:                 655
Prefixes from 32-bit ASNs in the Routing Table:                    1840
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:              3
Number of addresses announced to Internet:                    271028915
    Equivalent to 16 /8s, 39 /16s and 146 /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:               99.6
Total number of prefixes smaller than registry allocations:        2777

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

Prefixes being announced by APNIC Region ASes:                     5129
    Total APNIC prefixes after maximum aggregation:                2417
    APNIC Deaggregation factor:                                    2.12
Prefixes being announced from the APNIC address blocks:            5000
    Unique aggregates announced from the APNIC address blocks:     2741
APNIC Region origin ASes present in the Internet Routing Table:     579
    APNIC Prefixes per ASN:                                        8.64
APNIC Region origin ASes announcing only one prefix:                248
APNIC Region transit ASes present in the Internet Routing Table:     69
Average APNIC Region AS path length visible:                        3.9
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    225
Number of APNIC addresses announced to Internet:               47675244
    Equivalent to 2 /8s, 215 /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, 131072-151865
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:                      9785
    Total ARIN prefixes after maximum aggregation:                 5376
    ARIN Deaggregation factor:                                     1.82
Prefixes being announced from the ARIN address blocks:             9790
    Unique aggregates announced from the ARIN address blocks:      5909
ARIN Region origin ASes present in the Internet Routing Table:     1276
    ARIN Prefixes per ASN:                                         7.67
ARIN Region origin ASes announcing only one prefix:                 447
ARIN Region transit ASes present in the Internet Routing Table:     166
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     195
Number of ARIN addresses announced to Internet:               148578721
    Equivalent to 8 /8s, 219 /16s and 33 /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:                      3703
    Total RIPE prefixes after maximum aggregation:                 2898
    RIPE Deaggregation factor:                                     1.28
Prefixes being announced from the RIPE address blocks:             3825
    Unique aggregates announced from the RIPE address blocks:      3069
RIPE Region origin ASes present in the Internet Routing Table:      702
    RIPE Prefixes per ASN:                                         5.45
RIPE Region origin ASes announcing only one prefix:                 309
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:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     145
Number of RIPE addresses announced to Internet:                67511558
    Equivalent to 4 /8s, 6 /16s and 37 /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:                    1468
    Total LACNIC prefixes after maximum aggregation:                561
    LACNIC Deaggregation factor:                                   2.62
Prefixes being announced from the LACNIC address blocks:           1466
    Unique aggregates announced from the LACNIC address blocks:     777
LACNIC Region origin ASes present in the Internet Routing Table:    155
    LACNIC Prefixes per ASN:                                       9.46
LACNIC Region origin ASes announcing only one prefix:                55
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:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    62
Number of LACNIC addresses announced to Internet:               4472480
    Equivalent to 0 /8s, 68 /16s and 62 /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:                   1016
    Total AfriNIC prefixes after maximum aggregation:               208
    AfriNIC Deaggregation factor:                                  4.88
Prefixes being announced from the AfriNIC address blocks:          1020
    Unique aggregates announced from the AfriNIC address blocks:    298
AfriNIC Region origin ASes present in the Internet Routing Table:    53
    AfriNIC Prefixes per ASN:                                     19.25
AfriNIC Region origin ASes announcing only one prefix:               26
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      3.9
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:              2789888
    Equivalent to 0 /8s, 42 /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         606       2160     465  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
 45102         309        490     101  ALIBABA-CN-NET Alibaba US Technology Co
  1237         196         74     139  KREONET-AS-KR KISTI, KR
  4538         192       4192      73  ERX-CERNET-BKB China Education and Rese
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re
 55824         119         18      12  NKN-CORE-NW NKN Core Network, IN
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart 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         801       2258      65  GOOGLE, US
  8075         331      12787     284  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2152         241        507      94  CSUNET-NW, US
   668         209        619     177  DNIC-AS-00668, US
  6939         202        125     150  HURRICANE, US
  5786         199         16       1  UPRENET, PR
   376         198        178     148  RISQ-AS, CA
 18558         139         18       4  NETBLK-RCOEK, US
    81         129        521      32  NCREN, US
   270         120        329      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         283       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         177         24       5  ISU Internet Services Unit ISU, SA
   559         112        533     104  SWITCH Peering requests: peering at switch
  1103          95       1518      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  3267          67         64      28  RUNNET, RU
  1930          65         81      60  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         263        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340          99         24      46  Red Universitaria Nacional, CL
  1251          59         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          45         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  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         381        319      72  TENET-1, ZA
 36914         256         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          63         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
  3208          32          2       1  ARN, DZ
327700          31         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          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         801       2258      65  GOOGLE, US
  2907         606       2160     465  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         381        319      72  TENET-1, ZA
  8075         331      12787     284  MICROSOFT-CORP-MSN-AS-BLOCK, US
 45102         309        490     101  ALIBABA-CN-NET Alibaba US Technology Co
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
  1916         263        208      44  Rede Nacional de Ensino e Pesquisa, BR
 36914         256         82       3  KENET-AS, KE
  2152         241        507      94  CSUNET-NW, US

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         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         381          309  TENET-1, ZA
 36914         256          253  KENET-AS, KE
  1916         263          219  Rede Nacional de Ensino e Pesquisa, BR
 45102         309          208  ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
  5786         199          198  UPRENET, PR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  8895         177          172  ISU Internet Services Unit ISU, SA
  2152         241          147  CSUNET-NW, US
  2907         606          141  SINET-AS Research Organization of Information a

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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     20965  GEANT The GEANT IP Service, NL
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:      6939  HURRICANE, US
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       /11:7       /12:23      
/13:38      /14:68      /15:153     /16:2164    /17:477     /18:510     
/19:733     /20:929     /21:940     /22:1586    /23:1694    /24:11442   
/25:91      /26:66      /27:98      /28:18      /29:19      /30:16      
/31:1       /32:26      

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

   ASN  No of nets  Total ann.  Description
 15169         273         801  GOOGLE, US
 36914         243         256  KENET-AS, KE
  8895         172         177  ISU Internet Services Unit ISU, SA
  6939          85         202  HURRICANE, US
 32440          81         109  LONI, US
  8075          55         331  MICROSOFT-CORP-MSN-AS-BLOCK, US
 23024          52         113  OCDE, US
  1916          40         263  Rede Nacional de Ensino e Pesquisa, BR
 18632          34          66  VOLCANO-VISION, US
200521          33          56  SEAP-AGE, ES

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

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2         2:1         5:18        6:4         8:8        12:1      
  13:1        14:89       23:21       24:3        31:7        34:2      
  35:7        38:9        40:1        41:106      42:15       43:7      
  44:5        45:45       46:6        47:38       49:6        50:5      
  52:2        58:12       59:21       60:4        61:3        62:21     
  63:38       64:87       65:8        66:57       67:45       68:8      
  69:24       70:11       71:1        72:17       74:118      76:43     
  77:9        78:4        79:10       80:19       81:28       82:7      
  83:6        84:14       85:44       86:10       87:1        89:10     
  91:49       92:2        93:4        94:8        95:2        96:5      
  97:2        98:2       101:8       102:17      103:321     104:79     
 107:16      108:48      109:11      110:4       111:17      113:4      
 114:23      116:6       117:61      118:33      119:21      121:29     
 122:8       123:8       124:39      125:4       128:86      129:43     
 130:87      131:64      132:49      133:157     134:105     135:1      
 136:199     137:91      138:11      139:7       140:51      141:1      
 142:236     143:29      144:28      145:4       146:128     147:56     
 148:193     149:12      150:132     151:9       152:144     153:14     
 154:31      155:57      156:68      157:34      158:38      159:115    
 160:27      161:27      162:22      163:77      164:10      165:51     
 166:2       167:19      168:124     169:8       170:86      171:1      
 172:92      173:85      175:31      176:9       177:9       178:1      
 179:9       180:15      181:1       182:1       184:5       185:69     
 186:3       187:18      188:13      189:3       190:18      191:36     
 192:1455    193:350     194:154     195:96      196:168     197:159    
 198:571     199:295     200:278     201:38      202:642     203:440    
 204:369     205:142     206:196     207:185     208:83      209:145    
 210:185     211:17      212:175     213:6       214:8       216:128    
 217:12      218:22      219:12      220:17      222:6       223:16     


End of report


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