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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Mar 28 20:16:38 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Thu 28 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:                              182829
    Prefixes after maximum aggregation (per Origin AS):           79855
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100173
    Number of IPv4 prefixes with a valid ROA:                     69755
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                         113054
Total ASes present in the Internet Routing Table:                 15585
    Prefixes per ASN:                                             11.73
Origin-only ASes present in the Internet Routing Table:           13463
Origin ASes announcing only one prefix:                            6108
Transit ASes present in the Internet Routing Table:                2122
Transit-only ASes present in the Internet Routing Table:            572
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:               222
    Number of instances of unregistered ASNs:                       222
Number of 32-bit ASNs allocated by the RIRs:                      43946
Number of 32-bit ASNs visible in the Routing Table:                5661
Prefixes from 32-bit ASNs in the Routing Table:                   18846
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:             97
Number of addresses announced to Internet:                   1024926905
    Equivalent to 61 /8s, 23 /16s and 36 /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:       53347

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

Prefixes being announced by APNIC Region ASes:                    28795
    Total APNIC prefixes after maximum aggregation:                6532
    APNIC Deaggregation factor:                                    4.41
Prefixes being announced from the APNIC address blocks:           28520
    Unique aggregates announced from the APNIC address blocks:     7542
APNIC Region origin ASes present in the Internet Routing Table:    1100
    APNIC Prefixes per ASN:                                       25.93
APNIC Region origin ASes announcing only one prefix:                433
APNIC Region transit ASes present in the Internet Routing Table:    178
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    473
Number of APNIC addresses announced to Internet:              157705864
    Equivalent to 9 /8s, 102 /16s and 102 /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:                     82563
    Total ARIN prefixes after maximum aggregation:                44850
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81431
    Unique aggregates announced from the ARIN address blocks:     50651
ARIN Region origin ASes present in the Internet Routing Table:     7183
    ARIN Prefixes per ASN:                                        11.34
ARIN Region origin ASes announcing only one prefix:                3064
ARIN Region transit ASes present in the Internet Routing Table:     644
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:    1460
Number of ARIN addresses announced to Internet:               605586785
    Equivalent to 36 /8s, 24 /16s and 133 /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:                     35002
    Total RIPE prefixes after maximum aggregation:                16582
    RIPE Deaggregation factor:                                     2.11
Prefixes being announced from the RIPE address blocks:            35473
    Unique aggregates announced from the RIPE address blocks:     23421
RIPE Region origin ASes present in the Internet Routing Table:     3287
    RIPE Prefixes per ASN:                                        10.79
RIPE Region origin ASes announcing only one prefix:                1399
RIPE Region transit ASes present in the Internet Routing Table:     518
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1215
Number of RIPE addresses announced to Internet:               157226448
    Equivalent to 9 /8s, 95 /16s and 21 /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:                   31844
    Total LACNIC prefixes after maximum aggregation:              10006
    LACNIC Deaggregation factor:                                   3.18
Prefixes being announced from the LACNIC address blocks:          31550
    Unique aggregates announced from the LACNIC address blocks:   15664
LACNIC Region origin ASes present in the Internet Routing Table:   3101
    LACNIC Prefixes per ASN:                                      10.17
LACNIC Region origin ASes announcing only one prefix:              1106
LACNIC Region transit ASes present in the Internet Routing Table:   616
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:  2385
Number of LACNIC addresses announced to Internet:              73536768
    Equivalent to 4 /8s, 98 /16s and 21 /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:                   4403
    Total AfriNIC prefixes after maximum aggregation:              1703
    AfriNIC Deaggregation factor:                                  2.59
Prefixes being announced from the AfriNIC address blocks:          5758
    Unique aggregates announced from the AfriNIC address blocks:   2804
AfriNIC Region origin ASes present in the Internet Routing Table:   247
    AfriNIC Prefixes per ASN:                                     23.31
AfriNIC Region origin ASes announcing only one prefix:              106
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:  128
Number of AfriNIC addresses announced to Internet:             30815488
    Equivalent to 1 /8s, 214 /16s and 53 /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        9647       8741      60  CHINAMOBILE-CN China Mobile Communicati
 56047        1496        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        9754      11356    3399  AMAZON-02, US
   749        3189      54916    2441  DNIC-AS-00749, US
   367        2897       3599    1372  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1695       4898     315  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1555        100    1148  USDA-1, US
  5972        1426        397     640  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        1274        108    1044  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
 13046         386         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        5372       1554     859  UNINET, MX
  3816        1312        788     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1089        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         565       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         607        234     177  LINKdotNET-AS, EG
 36992         404        638     266  ETISALAT-MISR, EG
  2018         380        319      71  TENET-1, ZA
 36914         208         82       3  KENET-AS, KE
 37282         163         26       6  MAINONE, NG
327687         163         28       3  RENU, UG
 37492         156        471      44  ORANGE-, TN
 24835         150         80     100  RAYA-AS, EG
 37693         145        595      51  TUNISIANA, TN
 36935         143         36      39  Vodafone-, EG

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        9754      11356    3399  AMAZON-02, US
  9808        9647       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        2897       3599    1372  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1695       4898     315  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1555        100    1148  USDA-1, US
 56047        1496        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        9647         9587  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5372         4513  UNINET, MX
 11776        1857         1637  ATLANTICBB-JOHNSTOWN, US
   367        2897         1525  DNIC-ASBLK-00306-00371, US
 56047        1496         1449  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        1312         1113  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     /15:673     /16:5269    /17:2519    /18:2586    
/19:5357    /20:8514    /21:10718   /22:19387   /23:20211   /24:106759  
/25:76      /26:48      /27:71      /28:19      /29:21      /30:18      
/31:0       /32:6       

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        2068        9754  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         698         839  BRSPD-PUBLIC, US
  6147         687        1089  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         2:378       3:287       5:1078      6:148       7:5      
   8:619      11:171      12:254      13:316      14:99       15:281    
  16:174      17:6        18:705      20:33       21:4        22:188    
  23:1800     24:405      25:2        27:17       29:19       31:162    
  32:1        34:5        35:53       36:1148     37:506      38:834    
  39:523      40:8        41:569      42:18       43:185      44:27     
  45:2322     46:580      47:99       49:11       50:250      51:470    
  52:1348     54:268      55:895      57:16       58:4        59:30     
  60:19       61:62       62:331      63:462      64:1438     65:792    
  66:1234     67:675      68:165      69:737      70:148      71:189    
  72:369      74:729      75:392      76:208      77:277      78:485    
  79:160      80:196      81:184      82:162      83:95       84:179    
  85:387      86:146      87:141      88:123      89:466      90:98     
  91:530      92:400      93:776      94:540      95:1076     96:165    
  97:31       98:125      99:145     100:22      101:25      102:226    
 103:1064    104:682     105:25      106:3       107:222     108:298    
 109:231     110:24      111:1782    112:447     113:40      114:32     
 115:11      116:31      117:947     118:50      119:97      120:1090   
 121:31      122:79      123:20      124:57      125:11      128:364    
 129:308     130:471     131:796     132:501     133:264     134:323    
 135:66      136:370     137:472     138:757     139:395     140:588    
 141:318     142:697     143:578     144:318     145:59      146:464    
 147:319     148:566     149:507     150:289     151:496     152:364    
 153:117     154:549     155:660     156:375     157:244     158:317    
 159:523     160:324     161:412     162:690     163:282     164:625    
 165:368     166:99      167:382     168:1002    169:157     170:1249   
 171:66      172:896     173:618     174:103     175:46      176:398    
 177:764     178:320     179:496     180:43      181:990     182:20     
 183:854     184:200     185:2229    186:983     187:760     188:481    
 189:1083    190:2920    191:182     192:3680    193:1227    194:787    
 195:555     196:417     197:400     198:1903    199:3357    200:2685   
 201:2543    202:940     203:590     204:1758    205:1653    206:1130   
 207:1058    208:969     209:1430    210:301     211:424     212:673    
 213:523     214:1046    215:43      216:1683    217:282     218:515    
 219:19      220:30      221:302     222:17      223:629    

End of report


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