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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Dec 28 20:16:38 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Thu 28 Dec, 2023

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

Analysis Summary
----------------

BGP routing table entries examined:                              257119
    Prefixes after maximum aggregation (per Origin AS):          114100
    Deaggregation factor:                                          2.25
    Unique aggregates announced (without unneeded subnets):      138975
    Number of IPv4 prefixes with a valid ROA:                     97771
    Number of IPv4 prefixes with an invalid ROA:                     28
    Number of IPv4 prefixes with no ROA:                         159320
Total ASes present in the Internet Routing Table:                 20644
    Prefixes per ASN:                                             12.45
Origin-only ASes present in the Internet Routing Table:           17971
Origin ASes announcing only one prefix:                            8013
Transit ASes present in the Internet Routing Table:                2673
Transit-only ASes present in the Internet Routing Table:            657
Paths with bogon ASNs present in the IPv4 Routing Table:             11
Average AS path length visible in the Internet Routing Table:       5.6
    Max AS path length visible:                                      38
    Max AS path prepend of ASN (272886)                              31
Prefixes from unregistered ASNs in the Routing Table:               373
    Number of instances of unregistered ASNs:                       373
Number of 32-bit ASNs allocated by the RIRs:                      43276
Number of 32-bit ASNs visible in the Routing Table:                7465
Prefixes from 32-bit ASNs in the Routing Table:                   26695
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:            126
Number of addresses announced to Internet:                   1488099433
    Equivalent to 88 /8s, 178 /16s and 152 /24s
    Percentage of available address space announced:               40.2
    Percentage of allocated address space announced:               40.2
    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:       86868

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

Prefixes being announced by APNIC Region ASes:                    30597
    Total APNIC prefixes after maximum aggregation:                7256
    APNIC Deaggregation factor:                                    4.22
Prefixes being announced from the APNIC address blocks:           30242
    Unique aggregates announced from the APNIC address blocks:     8434
APNIC Region origin ASes present in the Internet Routing Table:    1186
    APNIC Prefixes per ASN:                                       25.50
APNIC Region origin ASes announcing only one prefix:                485
APNIC Region transit ASes present in the Internet Routing Table:    196
Average APNIC Region AS path length visible:                        6.2
    Max APNIC Region AS path length visible:                         22
Number of APNIC region 32-bit ASNs visible in the Routing Table:    519
Number of APNIC addresses announced to Internet:              214561928
    Equivalent to 12 /8s, 201 /16s and 244 /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:                    119398
    Total ARIN prefixes after maximum aggregation:                62786
    ARIN Deaggregation factor:                                     1.90
Prefixes being announced from the ARIN address blocks:           119235
    Unique aggregates announced from the ARIN address blocks:     69558
ARIN Region origin ASes present in the Internet Routing Table:     9606
    ARIN Prefixes per ASN:                                        12.41
ARIN Region origin ASes announcing only one prefix:                3949
ARIN Region transit ASes present in the Internet Routing Table:     848
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2038
Number of ARIN addresses announced to Internet:               838574817
    Equivalent to 49 /8s, 251 /16s and 162 /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:                     55500
    Total RIPE prefixes after maximum aggregation:                28101
    RIPE Deaggregation factor:                                     1.98
Prefixes being announced from the RIPE address blocks:            54592
    Unique aggregates announced from the RIPE address blocks:     36940
RIPE Region origin ASes present in the Internet Routing Table:     5137
    RIPE Prefixes per ASN:                                        10.63
RIPE Region origin ASes announcing only one prefix:                2183
RIPE Region transit ASes present in the Internet Routing Table:     721
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1970
Number of RIPE addresses announced to Internet:               303473408
    Equivalent to 18 /8s, 22 /16s and 163 /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:                   42695
    Total LACNIC prefixes after maximum aggregation:              13353
    LACNIC Deaggregation factor:                                   3.20
Prefixes being announced from the LACNIC address blocks:          42001
    Unique aggregates announced from the LACNIC address blocks:   20145
LACNIC Region origin ASes present in the Internet Routing Table:   3658
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              1300
LACNIC Region transit ASes present in the Internet Routing Table:   736
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        38
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2823
Number of LACNIC addresses announced to Internet:              90661632
    Equivalent to 5 /8s, 103 /16s and 99 /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:                   8556
    Total AfriNIC prefixes after maximum aggregation:              2317
    AfriNIC Deaggregation factor:                                  3.69
Prefixes being announced from the AfriNIC address blocks:         10923
    Unique aggregates announced from the AfriNIC address blocks:   3774
AfriNIC Region origin ASes present in the Internet Routing Table:   247
    AfriNIC Prefixes per ASN:                                     44.22
AfriNIC Region origin ASes announcing only one prefix:               96
AfriNIC Region transit ASes present in the Internet Routing Table:   62
Average AfriNIC Region AS path length visible:                      5.9
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  115
Number of AfriNIC addresses announced to Internet:             40753664
    Equivalent to 2 /8s, 109 /16s and 218 /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        9599       8738      49  CHINAMOBILE-CN China Mobile Communicati
 56047        1498        188      34  CMNET-HUNAN-AP China Mobile communicati
 56041        1434        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 56046        1432        842     106  CMNET-JIANGSU-AP China Mobile communica
 24444         760        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 24547         752        168      47  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 17676         738      10616     152  GIGAINFRA SoftBank Corp., JP
  2907         594       2146     462  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
  9394         474       4145      48  CTTNET China TieTong Telecommunications

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        9463      11200    3349  AMAZON-02, US
 22773        3495       3038     293  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2971       3844    1418  DNIC-ASBLK-00306-00371, US
  7018        2527      23623    1573  ATT-INTERNET4, US
  5650        1990       2758    1410  FRONTIER-FRTR, US
 18566        1855        373     312  MEGAPATH5-, US
 11776        1845        254     221  ATLANTICBB-JOHNSTOWN, US
  6167        1743       3091     459  CELLCO-PART, US
   209        1710       4899     327  CENTURYLINK-US-LEGACY-QWEST, 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        4641        279      54  ALJAWWALSTC-AS, SA
 20940        1524        135    1220  AKAMAI-ASN1, NL
  3215         893       4823     300  France Telecom - Orange, FR
 25019         833       1035     152  SAUDINETSTC-AS, SA
  8452         831       1841      14  TE-AS TE-AS, EG
 61317         798         55     711  ASDETUK www.heficed.com, US
 34984         750         87     476  TELLCOM-AS, TR
  8376         723         59      21  Jordan Data Communications, JO
  8386         708        109     239  KOCNET, TR
 15897         584        188      20  VODAFONETURKEY, TR

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        5945       1675    1003  UNINET, MX
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2007        369      64  Instituto Costarricense de Electricidad
  3816        1307        787     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1088        369      22  Telefonica del Peru S.A.A., PE
 26615        1048       2502      52  TIM SA, BR
 18881         992       1120      28  TELEFONICA BRASIL S.A, BR
 11664         924        151     398  Techtel LMDS Comunicaciones Interactiva
 28006         616         75     279  CORPORACION NACIONAL DE TELECOMUNICACIO
 26599         596       2965      47  TELEFONICA BRASIL S.A, 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
 24863        1185        388      22  LINKdotNET-AS, EG
 24835        1013        457      25  RAYA-AS, EG
 36935         675        520      41  Vodafone-, EG
 36992         655        950     340  ETISALAT-MISR, EG
 36914         515         82       3  KENET-AS, KE
 15399         429         38     145  WANANCHI-, KE
 36903         415        192     302  MT-MPLS, MA
 29571         390         36     163  ORANGE-COTE-IVOIRE, CI
  2018         380        319      71  TENET-1, ZA
 37693         313        594      41  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
  9808        9599       8738      49  CHINAMOBILE-CN China Mobile Communicati
 16509        9463      11200    3349  AMAZON-02, US
  8151        5945       1675    1003  UNINET, MX
 39891        4641        279      54  ALJAWWALSTC-AS, SA
 22773        3495       3038     293  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2971       3844    1418  DNIC-ASBLK-00306-00371, US
  7018        2527      23623    1573  ATT-INTERNET4, US
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2007        369      64  Instituto Costarricense de Electricidad

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 16509        9463         6114  AMAZON-02, US
  8151        5945         4942  UNINET, MX
 39891        4641         4587  ALJAWWALSTC-AS, SA
 22773        3495         3202  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        2007         1943  Instituto Costarricense de Electricidad y Telec
 11776        1845         1624  ATLANTICBB-JOHNSTOWN, US
   367        2971         1553  DNIC-ASBLK-00306-00371, US
 18566        1855         1543  MEGAPATH5-, US
 56047        1498         1464  CMNET-HUNAN-AP China Mobile communications corp
   209        1710         1383  CENTURYLINK-US-LEGACY-QWEST, US

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
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
    396451  UNALLOCATED  12.6.254.0/24             7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
    396831  UNALLOCATED  12.23.198.0/24            7018  ATT-INTERNET4, US
     21861  UNALLOCATED  12.37.59.0/24             7018  ATT-INTERNET4, US
     33684  UNALLOCATED  12.37.144.0/24            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             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
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
45.42.252.0/22       Origin:     16509  AMAZON-02, US
45.42.252.0/22      Transit:     24482  SGGS-AS-AP SG.GS, SG

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        /8:13       /9:8       /10:28      /11:45      /12:130     
/13:188     /14:509     /15:1035    /16:7453    /17:3488    /18:4026    
/19:7904    /20:12271   /21:15416   /22:28564   /23:29011   /24:146751  
/25:85      /26:61      /27:72      /28:18      /29:22      /30:15      
/31:0       /32:6       

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

   ASN  No of nets  Total ann.  Description
 39891        3324        4641  ALJAWWALSTC-AS, SA
  8151        3148        5945  UNINET, MX
 22773        2552        3495  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        1951        9463  AMAZON-02, US
 18566        1769        1855  MEGAPATH5-, US
 11830        1705        2007  Instituto Costarricense de Electricidad y Telec
  5650        1405        1990  FRONTIER-FRTR, US
 10620        1337        2214  Telmex Colombia S.A., CO
  7018        1101        2527  ATT-INTERNET4, US
   209         965        1710  CENTURYLINK-US-LEGACY-QWEST, US

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

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

   1:15        2:523       3:251       4:5         5:1319      6:150    
   7:5         8:733      11:171      12:1099     13:316      14:103    
  15:285      16:167      17:6        18:658      20:244      21:4      
  22:188      23:2398     24:780      25:2        27:25       29:19     
  31:424      32:37       34:2        35:57       36:1106     37:834    
  38:1361     39:508      40:62       41:940      42:20       43:291    
  44:41       45:3435     46:868      47:153      49:22       50:341    
  51:478      52:1386     54:339      55:891      56:5        57:23     
  58:7        59:32       60:18       61:60       62:610      63:889    
  64:2072     65:1151     66:2228     67:953      68:589      69:1195   
  70:492      71:266      72:689      74:1049     75:437      76:244    
  77:347      78:611      79:253      80:371      81:347      82:276    
  83:158      84:347      85:464      86:198      87:284      88:220    
  89:574      90:102      91:957      92:497      93:927      94:690    
  95:1220     96:280      97:70       98:552      99:164     100:45     
 101:31      102:296     103:1179    104:1401    105:64      106:42     
 107:1420    108:531     109:325     110:32      111:1739    112:473    
 113:61      114:33      115:17      116:47      117:952     118:64     
 119:151     120:1072    121:37      122:87      123:79      124:57     
 125:16      128:445     129:379     130:611     131:1054    132:557    
 133:267     134:439     135:130     136:394     137:580     138:878    
 139:531     140:575     141:279     142:802     143:655     144:380    
 145:90      146:621     147:424     148:696     149:705     150:293    
 151:609     152:538     153:146     154:644     155:762     156:600    
 157:329     158:424     159:660     160:664     161:635     162:969    
 163:405     164:661     165:809     166:568     167:619     168:1404   
 169:182     170:1506    171:98      172:1284    173:859     174:280    
 175:42      176:826     177:835     178:383     179:667     180:61     
 181:1640    182:16      183:870     184:503     185:3427    186:1880   
 187:855     188:790     189:1326    190:4371    191:340     192:4907   
 193:1999    194:1455    195:1116    196:939     197:759     198:2579   
 199:3417    200:3197    201:3219    202:1090    203:643     204:2230   
 205:1846    206:1633    207:1410    208:1418    209:1924    210:336    
 211:472     212:1061    213:874     214:1076    215:44      216:2527   
 217:569     218:524     219:24      220:29      221:292     222:20     
 223:619    

End of report


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