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

REN Routing Table Report cscora at bgp.nsrc.org
Thu May 16 20:16:31 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Thu 16 May, 2024

  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:                              189134
    Prefixes after maximum aggregation (per Origin AS):           83717
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      104330
    Number of IPv4 prefixes with a valid ROA:                     73782
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         115333
Total ASes present in the Internet Routing Table:                 15971
    Prefixes per ASN:                                             11.84
Origin-only ASes present in the Internet Routing Table:           13791
Origin ASes announcing only one prefix:                            6325
Transit ASes present in the Internet Routing Table:                2180
Transit-only ASes present in the Internet Routing Table:            594
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.9
    Max AS path length visible:                                      28
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               224
    Number of instances of unregistered ASNs:                       224
Number of 32-bit ASNs allocated by the RIRs:                      44481
Number of 32-bit ASNs visible in the Routing Table:                5698
Prefixes from 32-bit ASNs in the Routing Table:                   19071
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:             91
Number of addresses announced to Internet:                   1114258593
    Equivalent to 66 /8s, 106 /16s and 60 /24s
    Percentage of available address space announced:               30.1
    Percentage of allocated address space announced:               30.1
    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:       54967

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

Prefixes being announced by APNIC Region ASes:                    30062
    Total APNIC prefixes after maximum aggregation:                6986
    APNIC Deaggregation factor:                                    4.30
Prefixes being announced from the APNIC address blocks:           29586
    Unique aggregates announced from the APNIC address blocks:     7989
APNIC Region origin ASes present in the Internet Routing Table:    1156
    APNIC Prefixes per ASN:                                       25.59
APNIC Region origin ASes announcing only one prefix:                465
APNIC Region transit ASes present in the Internet Routing Table:    204
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         22
Number of APNIC region 32-bit ASNs visible in the Routing Table:    506
Number of APNIC addresses announced to Internet:              200200048
    Equivalent to 11 /8s, 238 /16s and 207 /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, 131072-153913
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:                     88930
    Total ARIN prefixes after maximum aggregation:                48524
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87630
    Unique aggregates announced from the ARIN address blocks:     54569
ARIN Region origin ASes present in the Internet Routing Table:     7508
    ARIN Prefixes per ASN:                                        11.67
ARIN Region origin ASes announcing only one prefix:                3247
ARIN Region transit ASes present in the Internet Routing Table:     675
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1556
Number of ARIN addresses announced to Internet:               656020833
    Equivalent to 39 /8s, 26 /16s and 21 /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, 393216-402332
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:                     36036
    Total RIPE prefixes after maximum aggregation:                16902
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            36745
    Unique aggregates announced from the RIPE address blocks:     24506
RIPE Region origin ASes present in the Internet Routing Table:     3444
    RIPE Prefixes per ASN:                                        10.67
RIPE Region origin ASes announcing only one prefix:                1466
RIPE Region transit ASes present in the Internet Routing Table:     532
Average RIPE Region AS path length visible:                         5.9
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1266
Number of RIPE addresses announced to Internet:               159673552
    Equivalent to 9 /8s, 132 /16s and 108 /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
                       196608-216475
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:                   29664
    Total LACNIC prefixes after maximum aggregation:               9399
    LACNIC Deaggregation factor:                                   3.16
Prefixes being announced from the LACNIC address blocks:          29361
    Unique aggregates announced from the LACNIC address blocks:   14344
LACNIC Region origin ASes present in the Internet Routing Table:   2959
    LACNIC Prefixes per ASN:                                       9.92
LACNIC Region origin ASes announcing only one prefix:              1054
LACNIC Region transit ASes present in the Internet Routing Table:   588
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2256
Number of LACNIC addresses announced to Internet:              71581952
    Equivalent to 4 /8s, 68 /16s and 65 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                   4218
    Total AfriNIC prefixes after maximum aggregation:              1729
    AfriNIC Deaggregation factor:                                  2.44
Prefixes being announced from the AfriNIC address blocks:          5721
    Unique aggregates announced from the AfriNIC address blocks:   2838
AfriNIC Region origin ASes present in the Internet Routing Table:   215
    AfriNIC Prefixes per ASN:                                     26.61
AfriNIC Region origin ASes announcing only one prefix:               93
AfriNIC Region transit ASes present in the Internet Routing Table:   69
Average AfriNIC Region AS path length visible:                      5.8
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  114
Number of AfriNIC addresses announced to Internet:             26695936
    Equivalent to 1 /8s, 151 /16s and 89 /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
  9808        9648       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1483        874     109  CMNET-JIANGSU-AP China Mobile communica
 56041        1448        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      72  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         723      10640     154  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         478        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         450        490     109  CMNET-GUANGDONG-AP China Mobile communi

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
 16509        9918      11378    3541  AMAZON-02, US
   749        3224      54904    2476  DNIC-AS-00749, US
   367        2802       3460    1316  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1817        117    1251  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US
  5972        1347        387     612  DNIC-ASBLK-05800-06055, US
  7979         985         64     199  SERVERS-COM, US
   855         958        255      82  CANET-ASN-4, CA

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
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1292        107    1044  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         805       1030     146  SAUDINETSTC-AS, SA
  8376         718         60      21  Jordan Data Communications, JO
  8452         634       1841      11  TE-AS TE-AS, EG
 51167         509         98     214  CONTABO, DE
 35819         436        436      74  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         383         34       5  ASN-ISKON, HR

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
  8151        5196       1444     762  UNINET, MX
  3816        1320        789     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1087        369      22  Telefonica del Peru S.A.A., PE
 11830        1039        324       5  Instituto Costarricense de Electricidad
 18881         753       1126      30  TELEFONICA BRASIL S.A, BR
 26599         539       2819      83  TELEFONICA BRASIL S.A, BR
 13999         491         66     214  Mega Cable, S.A. de C.V., MX
 10620         415         53     344  Telmex Colombia S.A., CO
 22724         229         15     100  PUNTONET S.A., EC
 27843         229         20      33  WIN EMPRESAS S.A.C., PE

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
 24863         767        233     308  LINKdotNET-AS, EG
 29571         519         53     169  ORANGE-COTE-IVOIRE, CI
  2018         380        319      71  TENET-1, ZA
 36935         258         64      79  Vodafone-, EG
 36992         189        241     160  ETISALAT-MISR, EG
 37492         151        471      44  ORANGE-, TN
 24835         149        150      88  RAYA-AS, EG
 37693         146        595      51  TUNISIANA, TN
 15706         109         12      26  Sudatel, SD
 37504          95         24      42  EODATACENTER, TN

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
 16509        9918      11378    3541  AMAZON-02, US
  9808        9648       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5196       1444     762  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3224      54904    2476  DNIC-AS-00749, US
   367        2802       3460    1316  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1817        117    1251  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, 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
  9808        9648         9587  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5196         4434  UNINET, MX
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2802         1486  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1699         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1483         1374  CMNET-JIANGSU-AP China Mobile communications co
  3816        1320         1125  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

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
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, 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             1835  FSKNET-DK Forskningsnettet - Danish network for

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

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

Unassigned Network     ASN Information  AS Name
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      Transit:     37204  TELONE, ZW
41.57.124.0/24       Origin:     37442  RESERVED, ZZ
41.57.124.0/24      Transit:     37204  TELONE, ZW
41.57.125.0/24       Origin:     37442  RESERVED, ZZ
41.57.125.0/24      Transit:     37204  TELONE, ZW
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW

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        /8:11       /9:6       /10:17      /11:30      /12:92      
/13:125     /14:354     /15:691     /16:5951    /17:2462    /18:2552    
/19:5383    /20:8627    /21:10661   /22:19818   /23:20502   /24:111601  
/25:75      /26:49      /27:70      /28:19      /29:20      /30:14      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2795        5196  UNINET, MX
 16509        2116        9918  AMAZON-02, US
 11492        1207        1597  CABLEONE, US
   209         961        1699  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1860  ATLANTICBB-JOHNSTOWN, US
 11830         880        1039  Instituto Costarricense de Electricidad y Telec
 19901         740         881  BRSPD-PUBLIC, US
  6147         683        1087  Telefonica del Peru S.A.A., PE
  8376         564         718  Jordan Data Communications, JO

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

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

   1:11        2:372       3:343       5:1100      6:150       7:5      
   8:628      11:171      12:658      13:308      14:101      15:282    
  16:175      17:6        18:737      20:33       21:4        22:188    
  23:1869     24:736      25:2        27:27       29:19       31:198    
  32:1        34:10       35:57       36:1174     37:432      38:929    
  39:524      40:11       41:539      42:13       43:180      44:35     
  45:2427     46:640      47:98       49:9        50:275      51:477    
  52:1362     54:276      55:1000     57:16       58:7        59:36     
  60:19       61:62       62:334      63:505      64:1535     65:823    
  66:1282     67:837      68:173      69:812      70:144      71:196    
  72:487      74:732      75:394      76:211      77:318      78:579    
  79:177      80:206      81:186      82:178      83:110      84:181    
  85:340      86:156      87:154      88:148      89:521      90:96     
  91:569      92:413      93:796      94:498      95:1118     96:366    
  97:33       98:137      99:151     100:23      101:20      102:213    
 103:1108    104:764     105:97      106:3       107:200     108:312    
 109:272     110:36      111:1790    112:444     113:45      114:32     
 115:16      116:33      117:962     118:70      119:103     120:1076   
 121:19      122:86      123:20      124:58      125:12      128:360    
 129:280     130:505     131:803     132:497     133:195     134:337    
 135:89      136:370     137:420     138:756     139:401     140:592    
 141:322     142:701     143:594     144:332     145:64      146:492    
 147:391     148:621     149:505     150:291     151:578     152:583    
 153:119     154:509     155:687     156:445     157:287     158:321    
 159:690     160:856     161:481     162:696     163:283     164:646    
 165:393     166:98      167:404     168:903     169:147     170:1258   
 171:63      172:916     173:812     174:190     175:41      176:386    
 177:715     178:320     179:504     180:55      181:898     182:26     
 183:826     184:312     185:2417    186:789     187:707     188:631    
 189:1076    190:2700    191:185     192:3895    193:1277    194:845    
 195:569     196:383     197:219     198:2006    199:3683    200:2402   
 201:2363    202:1070    203:628     204:1801    205:1681    206:1198   
 207:1163    208:956     209:1433    210:342     211:431     212:691    
 213:548     214:1025    215:42      216:1784    217:318     218:524    
 219:24      220:29      221:302     222:22      223:634    

End of report


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