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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Nov 20 22:41:35 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Mon 20 Nov, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              983507
    Prefixes after maximum aggregation (per Origin AS):          361952
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      454911
Total ASes present in the Internet Routing Table:                 75307
    Prefixes per ASN:                                             13.06
Origin-only ASes present in the Internet Routing Table:           64521
Origin ASes announcing only one prefix:                           25968
Transit ASes present in the Internet Routing Table:               10786
Transit-only ASes present in the Internet Routing Table:            497
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1295
    Number of instances of unregistered ASNs:                      1298
Number of 32-bit ASNs allocated by the RIRs:                      43081
Number of 32-bit ASNs visible in the Routing Table:               35521
Prefixes from 32-bit ASNs in the Routing Table:                  185316
Number of bogon 32-bit ASNs visible in the Routing Table:           196
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            606
Number of addresses announced to Internet:                   3051187485
    Equivalent to 181 /8s, 221 /16s and 109 /24s
    Percentage of available address space announced:               82.4
    Percentage of allocated address space announced:               82.4
    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:      338522

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

Prefixes being announced by APNIC Region ASes:                   256433
    Total APNIC prefixes after maximum aggregation:               72408
    APNIC Deaggregation factor:                                    3.54
Prefixes being announced from the APNIC address blocks:          249592
    Unique aggregates announced from the APNIC address blocks:    99290
APNIC Region origin ASes present in the Internet Routing Table:   13825
    APNIC Prefixes per ASN:                                       18.05
APNIC Region origin ASes announcing only one prefix:               4106
APNIC Region transit ASes present in the Internet Routing Table:   1880
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9143
Number of APNIC addresses announced to Internet:              772303264
    Equivalent to 46 /8s, 8 /16s and 105 /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:                    281880
    Total ARIN prefixes after maximum aggregation:               125826
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286111
    Unique aggregates announced from the ARIN address blocks:    132280
ARIN Region origin ASes present in the Internet Routing Table:    19106
    ARIN Prefixes per ASN:                                        14.97
ARIN Region origin ASes announcing only one prefix:                6930
ARIN Region transit ASes present in the Internet Routing Table:    1974
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4834
Number of ARIN addresses announced to Internet:              1277111872
    Equivalent to 76 /8s, 31 /16s and 46 /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:                    281509
    Total RIPE prefixes after maximum aggregation:               128077
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275078
    Unique aggregates announced from the RIPE address blocks:    160783
RIPE Region origin ASes present in the Internet Routing Table:    28583
    RIPE Prefixes per ASN:                                         9.62
RIPE Region origin ASes announcing only one prefix:               12062
RIPE Region transit ASes present in the Internet Routing Table:    3990
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          37
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11498
Number of RIPE addresses announced to Internet:               715224029
    Equivalent to 42 /8s, 161 /16s and 115 /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:                  128435
    Total LACNIC prefixes after maximum aggregation:              28754
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:         127614
    Unique aggregates announced from the LACNIC address blocks:   49261
LACNIC Region origin ASes present in the Internet Routing Table:  11057
    LACNIC Prefixes per ASN:                                      11.54
LACNIC Region origin ASes announcing only one prefix:              2282
LACNIC Region transit ASes present in the Internet Routing Table:  2385
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8891
Number of LACNIC addresses announced to Internet:             178437472
    Equivalent to 10 /8s, 162 /16s and 189 /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:                  33955
    Total AfriNIC prefixes after maximum aggregation:              6092
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         44505
    Unique aggregates announced from the AfriNIC address blocks:  12787
AfriNIC Region origin ASes present in the Internet Routing Table:  1813
    AfriNIC Prefixes per ASN:                                     24.55
AfriNIC Region origin ASes announcing only one prefix:              588
AfriNIC Region transit ASes present in the Internet Routing Table:  343
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1155
Number of AfriNIC addresses announced to Internet:            107660544
    Equivalent to 6 /8s, 106 /16s and 197 /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        9754       8730      44  CHINAMOBILE-CN China Mobile Communicati
  7545        5696        788     695  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5015       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4318        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3828       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3601       1047      70  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3264       1872      99  VNPT-AS-VN VNPT Corp, VN
  9498        3263        494     246  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2733      11270     604  KIXS-AS-KR Korea Telecom, KR
 24560        2591        852     373  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9322      11139    3311  AMAZON-02, US
 11492        4544        301     684  CABLEONE, US
  7155        4184        289     100  VIASAT-SP-BACKBONE, US
   174        3875       6655     631  COGENT-174, US
 22773        3634       3077     308  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3551       1320      67  SHAW, CA
   749        3159      54932    2411  DNIC-AS-00749, US
 16625        3152       1404    2320  AKAMAI-AS, US
   367        3037       3871    1425  DNIC-ASBLK-00306-00371, US
396982        2723       3631     374  GOOGLE-CLOUD-PLATFORM, US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8703       1184    2854  TTNET, TR
 12479        7480       1713     145  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4082       3398     170  AKAMAI-ASN1, NL
  8551        3434        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3432        297    1596  M247, RO
 12389        3012       2297     924  ROSTELECOM-AS, RU
  5384        2497        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2467       1852      14  TE-AS TE-AS, EG
 34984        2367        364     583  TELLCOM-AS, TR

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

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12139       3376     611  UNINET, MX
 10620        3527        499     871  Telmex Colombia S.A., CO
 13999        2445        335     646  Mega Cable, S.A. de C.V., MX
 11830        2009        369      64  Instituto Costarricense de Electricidad
 28573        1333       2322     236  Claro NXT Telecomunicacoes Ltda, BR
  3816        1299        778     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1250        342     505  Axtel, S.A.B. de C.V., MX
  6147        1101        369      22  Telefonica del Peru S.A.A., PE
 11664        1076        173     438  Techtel LMDS Comunicaciones Interactiva
 28202        1062         52       9  Rede Brasileira de Comunicacao SA, BR

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

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1626        319      45  Telkom-Internet, ZA
 24863        1607        393      19  LINKdotNET-AS, EG
 24835        1532        545      28  RAYA-AS, EG
 36992        1358       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1045         67      53  ORANGE-COTE-IVOIRE, CI
 36935         935        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 37342         511         32       1  MOVITEL, MZ
 36914         507         82       3  KENET-AS, KE

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

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12139       3376     611  UNINET, MX
  9808        9754       8730      44  CHINAMOBILE-CN China Mobile Communicati
 16509        9322      11139    3311  AMAZON-02, US
 47331        8703       1184    2854  TTNET, TR
 12479        7480       1713     145  UNI2-AS, ES
  7545        5696        788     695  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5015       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4544        301     684  CABLEONE, US
 18403        4318        347      25  FPT-AS-AP FPT Telecom Company, VN

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

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

   ASN  No of nets  Net Savings  Description
  9808        9754         9710  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7480         7335  UNI2-AS, ES
 16509        9322         6011  AMAZON-02, US
 47331        8703         5849  TTNET, TR
  7545        5696         5001  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5015         4940  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4318         4293  FPT-AS-AP FPT Telecom Company, VN
  7155        4184         4084  VIASAT-SP-BACKBONE, US
 20940        4082         3912  AKAMAI-ASN1, NL

Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65536  DOCUMENT     5.102.30.0/24            65512  -Private Use AS-, ZZ
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

Complete listing at https://bgp.nsrc.org/REN/OIX/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
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:38      /11:99      /12:300     
/13:584     /14:1213    /15:2136    /16:13598   /17:8543    /18:14204   
/19:25620   /20:45637   /21:54291   /22:114468  /23:107369  /24:590493  
/25:1129    /26:1084    /27:1496    /28:161     /29:242     /30:79      
/31:77      /32:615     

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

   ASN  No of nets  Total ann.  Description
 47331        7819        8703  TTNET, TR
 12479        6571        7480  UNI2-AS, ES
  8151        6139       12139  UNINET, MX
 11492        3463        4544  CABLEONE, US
  6327        3362        3551  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3130        4184  VIASAT-SP-BACKBONE, US
  8551        2911        3434  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2677        3634  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2136        2481  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2267      2:1594      3:276       4:8         5:4610      6:162    
   7:6         8:1624      9:1        11:172      12:1496     13:375    
  14:2340     15:304      16:206      17:370      18:675      20:336    
  21:4        22:188      23:6562     24:2969     25:2        27:2664   
  29:19       31:2728     32:76       34:34       35:120      36:2044   
  37:4578     38:6719     39:884      40:151      41:4669     42:2084   
  43:2383     44:335      45:17566    46:4549     47:381      49:1882   
  50:1907     51:577      52:1624     54:392      55:885      56:5      
  57:139      58:1973     59:1190     60:1013     61:2751     62:2849   
  63:1936     64:5705     65:2398     66:5177     67:3133     68:1376   
  69:4176     70:1400     71:616      72:3016     74:2674     75:1610   
  76:629      77:2476     78:4075     79:3053     80:2179     81:2091   
  82:1591     83:1381     84:1629     85:3846     86:878      87:2225   
  88:2954     89:4018     90:632      91:8046     92:2230     93:2689   
  94:3758     95:5135     96:1331     97:317      98:1106     99:738    
 100:125     101:1411    102:3441    103:32865   104:4817    105:2015   
 106:990     107:2797    108:1152    109:4295    110:2176    111:3173   
 112:2103    113:1700    114:1728    115:2098    116:1998    117:2561   
 118:2750    119:2021    120:1824    121:1280    122:2759    123:2271   
 124:1655    125:2677    128:1592    129:1007    130:1101    131:2088   
 132:981     133:407     134:1728    135:340     136:928     137:1007   
 138:2882    139:1584    140:1337    141:1340    142:1573    143:1608   
 144:1010    145:343     146:2002    147:1655    148:2498    149:2374   
 150:1035    151:1274    152:1983    153:594     154:5619    155:1390   
 156:2157    157:1385    158:1066    159:2219    160:2678    161:1627   
 162:3600    163:1644    164:1729    165:1915    166:1087    167:1773   
 168:4007    169:817     170:4914    171:996     172:3782    173:3031   
 174:963     175:1234    176:3783    177:5463    178:3577    179:2432   
 180:2354    181:3636    182:3394    183:2033    184:2285    185:20926  
 186:5075    187:4655    188:4245    189:4302    190:9549    191:1907   
 192:11073   193:9029    194:7532    195:5462    196:3638    197:2918   
 198:6086    199:6553    200:8320    201:6398    202:10988   203:10508  
 204:4634    205:3725    206:4497    207:3567    208:4163    209:4981   
 210:4641    211:2562    212:4381    213:3521    214:1118    215:71     
 216:6868    217:3029    218:1350    219:613     220:2036    221:1007   
 222:867     223:2213   

End of report


More information about the ren-bgp-stats-all mailing list