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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Dec 5 22:41:29 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 05 Dec, 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:                              983708
    Prefixes after maximum aggregation (per Origin AS):          362620
    Deaggregation factor:                                          2.71
    Unique aggregates announced (without unneeded subnets):      455497
Total ASes present in the Internet Routing Table:                 75325
    Prefixes per ASN:                                             13.06
Origin-only ASes present in the Internet Routing Table:           64509
Origin ASes announcing only one prefix:                           25976
Transit ASes present in the Internet Routing Table:               10816
Transit-only ASes present in the Internet Routing Table:            492
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1267
    Number of instances of unregistered ASNs:                      1269
Number of 32-bit ASNs allocated by the RIRs:                      43154
Number of 32-bit ASNs visible in the Routing Table:               35576
Prefixes from 32-bit ASNs in the Routing Table:                  186184
Number of bogon 32-bit ASNs visible in the Routing Table:           191
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            612
Number of addresses announced to Internet:                   3050251550
    Equivalent to 181 /8s, 207 /16s and 37 /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:      337357

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

Prefixes being announced by APNIC Region ASes:                   257033
    Total APNIC prefixes after maximum aggregation:               72754
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          250078
    Unique aggregates announced from the APNIC address blocks:    99482
APNIC Region origin ASes present in the Internet Routing Table:   13868
    APNIC Prefixes per ASN:                                       18.03
APNIC Region origin ASes announcing only one prefix:               4126
APNIC Region transit ASes present in the Internet Routing Table:   1875
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9175
Number of APNIC addresses announced to Internet:              771905696
    Equivalent to 46 /8s, 2 /16s and 88 /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:                    282046
    Total ARIN prefixes after maximum aggregation:               126112
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286210
    Unique aggregates announced from the ARIN address blocks:    132556
ARIN Region origin ASes present in the Internet Routing Table:    19112
    ARIN Prefixes per ASN:                                        14.98
ARIN Region origin ASes announcing only one prefix:                6939
ARIN Region transit ASes present in the Internet Routing Table:    1964
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4836
Number of ARIN addresses announced to Internet:              1276905792
    Equivalent to 76 /8s, 28 /16s and 9 /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:                    279944
    Total RIPE prefixes after maximum aggregation:               127963
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           273639
    Unique aggregates announced from the RIPE address blocks:    160744
RIPE Region origin ASes present in the Internet Routing Table:    28558
    RIPE Prefixes per ASN:                                         9.58
RIPE Region origin ASes announcing only one prefix:               12068
RIPE Region transit ASes present in the Internet Routing Table:    4004
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          38
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11506
Number of RIPE addresses announced to Internet:               714788318
    Equivalent to 42 /8s, 154 /16s and 205 /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:                  129399
    Total LACNIC prefixes after maximum aggregation:              28916
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:         128484
    Unique aggregates announced from the LACNIC address blocks:   49383
LACNIC Region origin ASes present in the Internet Routing Table:  11062
    LACNIC Prefixes per ASN:                                      11.61
LACNIC Region origin ASes announcing only one prefix:              2257
LACNIC Region transit ASes present in the Internet Routing Table:  2396
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8903
Number of LACNIC addresses announced to Internet:             178483808
    Equivalent to 10 /8s, 163 /16s and 114 /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:                  34019
    Total AfriNIC prefixes after maximum aggregation:              6107
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         44684
    Unique aggregates announced from the AfriNIC address blocks:  12821
AfriNIC Region origin ASes present in the Internet Routing Table:  1817
    AfriNIC Prefixes per ASN:                                     24.59
AfriNIC Region origin ASes announcing only one prefix:              586
AfriNIC Region transit ASes present in the Internet Routing Table:  350
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1156
Number of AfriNIC addresses announced to Internet:            107779584
    Equivalent to 6 /8s, 108 /16s and 150 /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        9767       8730      44  CHINAMOBILE-CN China Mobile Communicati
  7545        5682        785     696  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4975       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4410        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3837       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3600       1045      67  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3385        494     251  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3352       1872      99  VNPT-AS-VN VNPT Corp, VN
  4766        2683      11259     589  KIXS-AS-KR Korea Telecom, KR
 24560        2636        853     368  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        9387      11177    3339  AMAZON-02, US
 11492        4559        302     679  CABLEONE, US
  7155        4183        288      97  VIASAT-SP-BACKBONE, US
   174        3978       6664     655  COGENT-174, US
 22773        3626       3061     302  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3559       1320      68  SHAW, CA
 16625        3172       1407    2325  AKAMAI-AS, US
   749        3163      54930    2415  DNIC-AS-00749, US
   367        3009       3844    1427  DNIC-ASBLK-00306-00371, US
396982        2725       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        8776       1192    2785  TTNET, TR
 12479        7541       1714     146  UNI2-AS, ES
 39891        4502        267      55  ALJAWWALSTC-AS, SA
 20940        4078       3398     169  AKAMAI-ASN1, NL
  9009        3489        299    1631  M247, RO
 12389        2981       2300     912  ROSTELECOM-AS, RU
  5384        2501        585      28  EMIRATES-INTERNET Emirates Internet, AE
  8452        2479       1852      14  TE-AS TE-AS, EG
  8551        2387        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984        2367        363     582  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       12204       3378     607  UNINET, MX
 10620        3526        499     871  Telmex Colombia S.A., CO
 13999        2476        338     641  Mega Cable, S.A. de C.V., MX
 11830        2002        369      64  Instituto Costarricense de Electricidad
 28573        1340       2322     236  Claro NXT Telecomunicacoes Ltda, BR
  3816        1308        788     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1246        341     504  Axtel, S.A.B. de C.V., MX
 28202        1090         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1088        174     436  Techtel LMDS Comunicaciones Interactiva
  6147        1081        369      22  Telefonica del Peru S.A.A., PE

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        1622        316      43  Telkom-Internet, ZA
 24863        1593        389      16  LINKdotNET-AS, EG
 24835        1548        545      28  RAYA-AS, EG
 36992        1359       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1046         67      51  ORANGE-COTE-IVOIRE, CI
 36935         936        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 15399         535         56      53  WANANCHI-, KE
 36914         525         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       12204       3378     607  UNINET, MX
  9808        9767       8730      44  CHINAMOBILE-CN China Mobile Communicati
 16509        9387      11177    3339  AMAZON-02, US
 47331        8776       1192    2785  TTNET, TR
 12479        7541       1714     146  UNI2-AS, ES
  7545        5682        785     696  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4975       4192      75  ERX-CERNET-BKB China Education and Rese
 11492        4559        302     679  CABLEONE, US
 39891        4502        267      55  ALJAWWALSTC-AS, SA
 18403        4410        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        9767         9723  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7541         7395  UNI2-AS, ES
 16509        9387         6048  AMAZON-02, US
 47331        8776         5991  TTNET, TR
  7545        5682         4986  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4975         4900  ERX-CERNET-BKB China Education and Research Net
 39891        4502         4447  ALJAWWALSTC-AS, SA
 18403        4410         4385  FPT-AS-AP FPT Telecom Company, VN
  7155        4183         4086  VIASAT-SP-BACKBONE, US
 20940        4078         3909  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             33650  COMCAST-33650, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, 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             3356  LEVEL3, 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     /14:1208    /15:2140    /16:13612   /17:8546    /18:14259   
/19:25672   /20:45572   /21:54285   /22:114450  /23:107080  /24:590922  
/25:1123    /26:1082    /27:1498    /28:162     /29:243     /30:80      
/31:79      /32:643     

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

   ASN  No of nets  Total ann.  Description
 47331        7890        8776  TTNET, TR
 12479        6634        7541  UNI2-AS, ES
  8151        6203       12204  UNINET, MX
 11492        3473        4559  CABLEONE, US
  6327        3367        3559  SHAW, CA
 39891        3256        4502  ALJAWWALSTC-AS, SA
  7155        3127        4183  VIASAT-SP-BACKBONE, US
 22773        2676        3626  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2126        2470  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2119        3526  Telmex Colombia S.A., CO

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

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

   1:2276      2:1600      3:279       4:8         5:4610      6:160    
   7:6         8:1612      9:1        11:172      12:1492     13:371    
  14:2385     15:304      16:205      17:369      18:703      20:336    
  21:4        22:188      23:6584     24:2983     25:2        27:2661   
  29:19       31:2709     32:74       34:34       35:121      36:2068   
  37:4596     38:6812     39:888      40:151      41:4682     42:2133   
  43:2389     44:334      45:17584    46:4570     47:316      49:1915   
  50:1906     51:577      52:1623     54:393      55:867      56:5      
  57:136      58:1993     59:1191     60:1010     61:2747     62:2856   
  63:1939     64:5689     65:2392     66:5171     67:3125     68:1382   
  69:4140     70:1394     71:617      72:3023     74:2666     75:1609   
  76:629      77:2405     78:4088     79:2680     80:2163     81:2102   
  82:1594     83:1402     84:1639     85:3838     86:883      87:2244   
  88:2972     89:4025     90:642      91:8038     92:2254     93:2670   
  94:3760     95:5136     96:1334     97:318      98:1038     99:737    
 100:123     101:1427    102:3474    103:32873   104:4828    105:2018   
 106:990     107:2781    108:1148    109:3642    110:2168    111:3185   
 112:2111    113:1715    114:1754    115:2097    116:1996    117:2576   
 118:2768    119:2020    120:1812    121:1315    122:2775    123:2242   
 124:1673    125:2792    128:1602    129:1006    130:1104    131:2098   
 132:988     133:410     134:1730    135:341     136:924     137:1004   
 138:2901    139:1582    140:1347    141:1366    142:1583    143:1623   
 144:1010    145:344     146:2022    147:1659    148:2497    149:2409   
 150:1028    151:1308    152:1984    153:597     154:5607    155:1387   
 156:2175    157:1398    158:1097    159:2215    160:2690    161:1642   
 162:3602    163:1656    164:1706    165:1909    166:1116    167:1781   
 168:4026    169:827     170:4962    171:996     172:3781    173:3048   
 174:909     175:1259    176:3759    177:5524    178:3584    179:2472   
 180:2408    181:3732    182:3415    183:2050    184:2284    185:20809  
 186:5119    187:4716    188:4195    189:4330    190:9642    191:1948   
 192:11061   193:9038    194:7528    195:5470    196:3655    197:2917   
 198:6083    199:6662    200:8493    201:6401    202:10959   203:10510  
 204:4670    205:3705    206:4497    207:3568    208:4163    209:4969   
 210:4653    211:2572    212:4351    213:3514    214:1117    215:63     
 216:6889    217:3005    218:1348    219:611     220:2031    221:1018   
 222:881     223:2226   

End of report


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