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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Mar 30 20:16:30 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sat 30 Mar, 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:                              182936
    Prefixes after maximum aggregation (per Origin AS):           79817
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100229
    Number of IPv4 prefixes with a valid ROA:                     69700
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         113217
Total ASes present in the Internet Routing Table:                 15583
    Prefixes per ASN:                                             11.74
Origin-only ASes present in the Internet Routing Table:           13461
Origin ASes announcing only one prefix:                            6097
Transit ASes present in the Internet Routing Table:                2122
Transit-only ASes present in the Internet Routing Table:            576
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      28
    Max AS path prepend of ASN ( 28683)                              24
Prefixes from unregistered ASNs in the Routing Table:               219
    Number of instances of unregistered ASNs:                       219
Number of 32-bit ASNs allocated by the RIRs:                      43980
Number of 32-bit ASNs visible in the Routing Table:                5659
Prefixes from 32-bit ASNs in the Routing Table:                   19032
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:                   1025087801
    Equivalent to 61 /8s, 25 /16s and 153 /24s
    Percentage of available address space announced:               27.7
    Percentage of allocated address space announced:               27.7
    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:       53289

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

Prefixes being announced by APNIC Region ASes:                    28817
    Total APNIC prefixes after maximum aggregation:                6528
    APNIC Deaggregation factor:                                    4.41
Prefixes being announced from the APNIC address blocks:           28549
    Unique aggregates announced from the APNIC address blocks:     7556
APNIC Region origin ASes present in the Internet Routing Table:    1096
    APNIC Prefixes per ASN:                                       26.05
APNIC Region origin ASes announcing only one prefix:                435
APNIC Region transit ASes present in the Internet Routing Table:    176
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    470
Number of APNIC addresses announced to Internet:              157711752
    Equivalent to 9 /8s, 102 /16s and 125 /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:                     82625
    Total ARIN prefixes after maximum aggregation:                44891
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81459
    Unique aggregates announced from the ARIN address blocks:     50712
ARIN Region origin ASes present in the Internet Routing Table:     7192
    ARIN Prefixes per ASN:                                        11.33
ARIN Region origin ASes announcing only one prefix:                3067
ARIN Region transit ASes present in the Internet Routing Table:     639
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:    1465
Number of ARIN addresses announced to Internet:               605383905
    Equivalent to 36 /8s, 21 /16s and 108 /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:                     34921
    Total RIPE prefixes after maximum aggregation:                16476
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            35422
    Unique aggregates announced from the RIPE address blocks:     23367
RIPE Region origin ASes present in the Internet Routing Table:     3274
    RIPE Prefixes per ASN:                                        10.82
RIPE Region origin ASes announcing only one prefix:                1396
RIPE Region transit ASes present in the Internet Routing Table:     519
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1208
Number of RIPE addresses announced to Internet:               157320400
    Equivalent to 9 /8s, 96 /16s and 132 /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:                   31801
    Total LACNIC prefixes after maximum aggregation:               9992
    LACNIC Deaggregation factor:                                   3.18
Prefixes being announced from the LACNIC address blocks:          31506
    Unique aggregates announced from the LACNIC address blocks:   15655
LACNIC Region origin ASes present in the Internet Routing Table:   3101
    LACNIC Prefixes per ASN:                                      10.16
LACNIC Region origin ASes announcing only one prefix:              1092
LACNIC Region transit ASes present in the Internet Routing Table:   614
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:  2386
Number of LACNIC addresses announced to Internet:              73556736
    Equivalent to 4 /8s, 98 /16s and 99 /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:                   4553
    Total AfriNIC prefixes after maximum aggregation:              1748
    AfriNIC Deaggregation factor:                                  2.60
Prefixes being announced from the AfriNIC address blocks:          5909
    Unique aggregates announced from the AfriNIC address blocks:   2853
AfriNIC Region origin ASes present in the Internet Routing Table:   249
    AfriNIC Prefixes per ASN:                                     23.73
AfriNIC Region origin ASes announcing only one prefix:              107
AfriNIC Region transit ASes present in the Internet Routing Table:   58
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  130
Number of AfriNIC addresses announced to Internet:             31061504
    Equivalent to 1 /8s, 217 /16s and 246 /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        9644       8741      60  CHINAMOBILE-CN China Mobile Communicati
 56047        1504        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1471        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1443        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         786        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
 56040         435        488     107  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        9791      11362    3396  AMAZON-02, US
   749        3189      54916    2441  DNIC-AS-00749, US
   367        2879       3579    1363  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1695       4898     315  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1563        101    1152  USDA-1, US
  5972        1428        395     639  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         954        255      82  CANET-ASN-4, CA
 15169         840       2001      65  GOOGLE, 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
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1275        108    1045  AKAMAI-ASN1, NL
  3215         901       4830     297  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         722         60      22  Jordan Data Communications, JO
  8452         544       1841      11  TE-AS TE-AS, EG
 51167         438         81     185  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 58224         414        190     327  TCI, IR
 35819         386        378      73  MOBILY-AS Etihad Etisalat Company Mobil

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        5372       1554     859  UNINET, MX
  3816        1313        788     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1088        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         946       1128      29  TELEFONICA BRASIL S.A, BR
 11664         591        108     224  Techtel LMDS Comunicaciones Interactiva
 26599         572       2945      46  TELEFONICA BRASIL S.A, BR
 10620         545         71     456  Telmex Colombia S.A., CO
 13999         485         66     208  Mega Cable, S.A. de C.V., MX
 14117         230         39       9  Telefonica del Sur S.A., CL

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         643        238     187  LINKdotNET-AS, EG
 36992         404        638     266  ETISALAT-MISR, EG
  2018         380        319      71  TENET-1, ZA
 36935         266         67      80  Vodafone-, EG
 36914         203         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
 37282         163         26       6  MAINONE, NG
327687         161         28       3  RENU, UG
 37492         156        471      44  ORANGE-, TN
 37693         145        595      51  TUNISIANA, 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        9791      11362    3396  AMAZON-02, US
  9808        9644       8741      60  CHINAMOBILE-CN China Mobile Communicati
  8151        5372       1554     859  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3189      54916    2441  DNIC-AS-00749, US
   367        2879       3579    1363  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1695       4898     315  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1563        101    1152  USDA-1, US
 56047        1504        192      47  CMNET-HUNAN-AP China Mobile communicati

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        9644         9584  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5372         4513  UNINET, MX
 11776        1857         1637  ATLANTICBB-JOHNSTOWN, US
   367        2879         1516  DNIC-ASBLK-00306-00371, US
 56047        1504         1457  CMNET-HUNAN-AP China Mobile communications corp
   209        1695         1380  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1443         1370  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1471         1361  CMNET-JIANGSU-AP China Mobile communications co
  3816        1313         1119  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
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.231.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.235.0/24           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
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.77.208.0/22       Origin:     37475  RESERVED, ZZ
41.77.208.0/22      Transit:     15964  CAMNET-AS, CM
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
41.78.204.0/22       Origin:     37475  RESERVED, ZZ
41.78.204.0/22      Transit:     15964  CAMNET-AS, CM
41.79.128.0/22       Origin:     37475  RESERVED, ZZ
41.79.128.0/22      Transit:     15964  CAMNET-AS, CM

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       /9:4       /10:14      /11:25      /12:74      
/13:114     /14:335     /15:672     /16:5265    /17:2515    /18:2611    
/19:5332    /20:8521    /21:10735   /22:19524   /23:20255   /24:106688  
/25:69      /26:39      /27:70      /28:19      /29:21      /30:18      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2936        5372  UNINET, MX
 16509        2083        9791  AMAZON-02, US
   209         957        1695  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1857  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         699         840  BRSPD-PUBLIC, US
  6147         686        1088  Telefonica del Peru S.A.A., PE
  8376         567         722  Jordan Data Communications, JO
  7979         451        1002  SERVERS-COM, US

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

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

   1:8         2:374       3:288       5:1072      6:148       7:5      
   8:619      11:171      12:258      13:320      14:99       15:281    
  16:174      17:6        18:705      20:33       21:4        22:188    
  23:1791     24:405      25:2        27:17       29:19       31:164    
  32:1        34:5        35:53       36:1151     37:499      38:834    
  39:523      40:8        41:570      42:22       43:187      44:28     
  45:2312     46:581      47:99       49:11       50:250      51:470    
  52:1349     54:269      55:896      57:16       58:4        59:32     
  60:19       61:64       62:332      63:464      64:1443     65:796    
  66:1236     67:674      68:165      69:740      70:148      71:189    
  72:369      74:730      75:391      76:206      77:277      78:514    
  79:159      80:196      81:185      82:164      83:96       84:178    
  85:329      86:146      87:142      88:119      89:463      90:98     
  91:530      92:398      93:778      94:555      95:1077     96:165    
  97:32       98:125      99:146     100:22      101:25      102:223    
 103:1064    104:688     105:31      106:3       107:225     108:298    
 109:263     110:24      111:1793    112:447     113:41      114:32     
 115:11      116:31      117:949     118:51      119:97      120:1090   
 121:31      122:79      123:20      124:57      125:11      128:363    
 129:308     130:469     131:786     132:501     133:264     134:321    
 135:66      136:365     137:467     138:764     139:395     140:585    
 141:318     142:697     143:578     144:318     145:58      146:463    
 147:319     148:565     149:508     150:289     151:494     152:363    
 153:117     154:548     155:664     156:379     157:248     158:317    
 159:523     160:318     161:415     162:685     163:288     164:623    
 165:373     166:100     167:380     168:1010    169:158     170:1245   
 171:67      172:899     173:617     174:102     175:46      176:394    
 177:712     178:321     179:505     180:59      181:986     182:20     
 183:854     184:201     185:2205    186:1003    187:738     188:482    
 189:1068    190:2942    191:185     192:3683    193:1207    194:792    
 195:552     196:421     197:397     198:1901    199:3358    200:2655   
 201:2548    202:937     203:590     204:1755    205:1649    206:1129   
 207:1057    208:960     209:1429    210:302     211:424     212:674    
 213:525     214:1045    215:43      216:1682    217:278     218:515    
 219:19      220:29      221:300     222:16      223:630    

End of report


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