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

REN Routing Table Report cscora at frr.nsrc.org
Wed Jan 26 20:15:29 UTC 2022


IPv4 R&E Routing Table Report   20:15 GMT Wed 26 Jan, 2022

  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:                               19993
    Prefixes after maximum aggregation (per Origin AS):           10893
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       12128
    Number of IPv4 prefixes with a valid ROA:                      4869
    Number of IPv4 prefixes with an invalid ROA:                     42
    Number of IPv4 prefixes with no ROA:                          15082
Total ASes present in the Internet Routing Table:                  2764
    Prefixes per ASN:                                              7.23
Origin-only ASes present in the Internet Routing Table:            2373
Origin ASes announcing only one prefix:                            1101
Transit ASes present in the Internet Routing Table:                 391
Transit-only ASes present in the Internet Routing Table:             71
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
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:                      38395
Number of 32-bit ASNs visible in the Routing Table:                 609
Prefixes from 32-bit ASNs in the Routing Table:                    1698
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:                    264575187
    Equivalent to 15 /8s, 197 /16s and 24 /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:        2575

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

Prefixes being announced by APNIC Region ASes:                     4920
    Total APNIC prefixes after maximum aggregation:                2388
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4801
    Unique aggregates announced from the APNIC address blocks:     2634
APNIC Region origin ASes present in the Internet Routing Table:     563
    APNIC Prefixes per ASN:                                        8.53
APNIC Region origin ASes announcing only one prefix:                248
APNIC Region transit ASes present in the Internet Routing Table:     65
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    214
Number of APNIC addresses announced to Internet:               47446124
    Equivalent to 2 /8s, 211 /16s and 248 /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:                      9201
    Total ARIN prefixes after maximum aggregation:                 4946
    ARIN Deaggregation factor:                                     1.86
Prefixes being announced from the ARIN address blocks:             9294
    Unique aggregates announced from the ARIN address blocks:      5590
ARIN Region origin ASes present in the Internet Routing Table:     1229
    ARIN Prefixes per ASN:                                         7.56
ARIN Region origin ASes announcing only one prefix:                 442
ARIN Region transit ASes present in the Internet Routing Table:     162
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:     168
Number of ARIN addresses announced to Internet:               149855617
    Equivalent to 8 /8s, 238 /16s and 157 /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:                      3490
    Total RIPE prefixes after maximum aggregation:                 2799
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3516
    Unique aggregates announced from the RIPE address blocks:      2837
RIPE Region origin ASes present in the Internet Routing Table:      678
    RIPE Prefixes per ASN:                                         5.19
RIPE Region origin ASes announcing only one prefix:                 320
RIPE Region transit ASes present in the Internet Routing Table:     106
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:     134
Number of RIPE addresses announced to Internet:                59715014
    Equivalent to 3 /8s, 143 /16s and 45 /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:                    1465
    Total LACNIC prefixes after maximum aggregation:                567
    LACNIC Deaggregation factor:                                   2.58
Prefixes being announced from the LACNIC address blocks:           1463
    Unique aggregates announced from the LACNIC address blocks:     766
LACNIC Region origin ASes present in the Internet Routing Table:    168
    LACNIC Prefixes per ASN:                                       8.71
LACNIC Region origin ASes announcing only one prefix:                69
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:    67
Number of LACNIC addresses announced to Internet:               4670240
    Equivalent to 0 /8s, 71 /16s and 67 /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:                    914
    Total AfriNIC prefixes after maximum aggregation:               190
    AfriNIC Deaggregation factor:                                  4.81
Prefixes being announced from the AfriNIC address blocks:           917
    Unique aggregates announced from the AfriNIC address blocks:    299
AfriNIC Region origin ASes present in the Internet Routing Table:    52
    AfriNIC Prefixes per ASN:                                     17.63
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      3.8
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2887680
    Equivalent to 0 /8s, 44 /16s and 16 /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         619       2157     458  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
 45102         241        428      87  ALIBABA-CN-NET Alibaba US Technology Co
 58647         200         18       2  KAGAWAU-AS Kagawa University, JP
  1237         192         74     135  KREONET-AS-KR KISTI, KR
  4538         176       4192      72  ERX-CERNET-BKB China Education and Rese
  7575         176        330     123  AARNET-AS-AP Australian Academic and Re
 55824         115         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          78         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         737       3282      67  GOOGLE, US
  7896         251         51       7  NU-AS, US
  8075         204      10901     186  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  6939         170        120     120  HURRICANE, US
  2152         150        507      90  CSUNET-NW, US
 18558         136         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         279       1950     245  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         183         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          58         32      55  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         202        207      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      55  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 
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          45          3      15  CEDIA, EC
  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         350        319      74  TENET-1, ZA
 36914         204         82       3  KENET-AS, KE
  2561          72          5      31  EUN, EG
  8094          50         48       4  PUKNET, ZA
327700          45         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         737       3282      67  GOOGLE, US
  2907         619       2157     458  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         350        319      74  TENET-1, ZA
   680         279       1950     245  DFN Verein zur Foerderung eines Deutsch
  7896         251         51       7  NU-AS, US
 45102         241        428      87  ALIBABA-CN-NET Alibaba US Technology Co
  8075         204      10901     186  MICROSOFT-CORP-MSN-AS-BLOCK, US
 36914         204         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         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         350          276  TENET-1, ZA
  7896         251          244  NU-AS, US
 36914         204          201  KENET-AS, KE
  5786         200          199  UPRENET, PR
 58647         200          198  KAGAWAU-AS Kagawa University, JP
  8895         183          179  ISU Internet Services Unit ISU, SA
  2907         619          161  SINET-AS Research Organization of Information a
  1916         202          160  Rede Nacional de Ensino e Pesquisa, BR
 45102         241          154  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
     22226  UNALLOCATED  156.1.0.0/16              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

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

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

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

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     /16:2125    /17:447     /18:491     
/19:718     /20:887     /21:911     /22:1460    /23:1597    /24:10716   
/25:77      /26:62      /27:60      /28:30      /29:28      /30:19      
/31:0       /32:60      

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

   ASN  No of nets  Total ann.  Description
 15169         273         737  GOOGLE, US
 36914         191         204  KENET-AS, KE
  8895         178         183  ISU Internet Services Unit ISU, SA
  6939          67         170  HURRICANE, US
 23024          53         114  OCDE, US
327700          39          45  MoRENet, MZ
 58647          34         200  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

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        14:85     
  18:42       23:16       24:3        31:6        35:1        37:6      
  38:9        40:1        41:128      42:13       44:5        45:43     
  46:6        47:35       49:8        50:4        52:2        58:7      
  59:4        60:4        61:3        62:7        63:38       64:85     
  65:7        66:58       67:45       68:8        69:20       70:7      
  71:1        72:23       74:83       76:34       77:7        78:3      
  79:10       80:16       81:28       82:5        83:6        84:9      
  85:33       86:4        87:1        88:1        89:10       91:47     
  92:1        93:19       94:4        95:5        96:5        97:1      
  98:2       101:8       102:13      103:299     104:77      106:1      
 107:16      108:43      109:10      110:5       111:21      112:4      
 113:1       114:23      116:5       117:61      119:22      121:27     
 123:8       124:39      125:4       128:81      129:176     130:92     
 131:89      132:58      133:140     134:101     136:193     137:80     
 138:8       139:5       140:40      141:2       142:148     143:31     
 144:52      145:2       146:128     147:57      148:192     149:13     
 150:39      151:6       152:77      153:11      154:25      155:53     
 156:67      157:26      158:42      159:116     160:25      161:24     
 162:22      163:62      164:26      165:55      166:2       167:17     
 168:121     169:10      170:67      171:1       172:91      173:86     
 175:31      176:8       177:13      178:1       179:11      180:21     
 181:1       182:6       184:13      185:45      186:3       187:18     
 188:13      189:5       190:33      191:33      192:1424    193:249    
 194:143     195:93      196:149     197:115     198:515     199:259    
 200:254     201:40      202:607     203:420     204:334     205:165    
 206:195     207:172     208:75      209:130     210:182     211:13     
 212:173     213:4       216:132     217:15      218:25      219:12     
 220:17      222:5       223:5      

End of report


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