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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Feb 1 21:13:54 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Sat 01 Feb, 2025

  IPv4 BGP Table (Global) as seen at AARNET (Brisbane).

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

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

BGP routing table entries examined:                              973213
    Prefixes after maximum aggregation (per Origin AS):          371809
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      473479
    Number of IPv4 prefixes with a valid ROA:                    526656
    Number of IPv4 prefixes with an invalid ROA:                    138
    Number of IPv4 prefixes with no ROA:                         446419
Total ASes present in the Internet Routing Table:                 76483
    Prefixes per ASN:                                             12.72
Origin-only ASes present in the Internet Routing Table:           65547
Origin ASes announcing only one prefix:                           26845
Transit ASes present in the Internet Routing Table:               10936
Transit-only ASes present in the Internet Routing Table:            527
Paths with bogon ASNs present in the IPv4 Routing Table:             31
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1060
    Number of instances of unregistered ASNs:                      1079
Number of 32-bit ASNs allocated by the RIRs:                      46097
Number of 32-bit ASNs visible in the Routing Table:               37695
Prefixes from 32-bit ASNs in the Routing Table:                  198575
Number of bogon 32-bit ASNs visible in the Routing Table:            53
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            504
Number of addresses announced to Internet:                   3112791296
    Equivalent to 185 /8s, 137 /16s and 109 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      318550

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

Prefixes being announced by APNIC Region ASes:                   255222
    Total APNIC prefixes after maximum aggregation:               76245
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          246747
    Unique aggregates announced from the APNIC address blocks:   102397
APNIC Region origin ASes present in the Internet Routing Table:   14443
    APNIC Prefixes per ASN:                                       17.08
APNIC Region origin ASes announcing only one prefix:               4426
APNIC Region transit ASes present in the Internet Routing Table:   1929
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9953
Number of APNIC addresses announced to Internet:              753131776
    Equivalent to 44 /8s, 227 /16s and 225 /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:                    286982
    Total ARIN prefixes after maximum aggregation:               127351
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288707
    Unique aggregates announced from the ARIN address blocks:    134961
ARIN Region origin ASes present in the Internet Routing Table:    19207
    ARIN Prefixes per ASN:                                        15.03
ARIN Region origin ASes announcing only one prefix:                7027
ARIN Region transit ASes present in the Internet Routing Table:    1983
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          39
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5134
Number of ARIN addresses announced to Internet:              1344761856
    Equivalent to 80 /8s, 39 /16s and 112 /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, 393216-402332
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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    271616
    Total RIPE prefixes after maximum aggregation:               131793
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           268679
    Unique aggregates announced from the RIPE address blocks:    171497
RIPE Region origin ASes present in the Internet Routing Table:    28833
    RIPE Prefixes per ASN:                                         9.32
RIPE Region origin ASes announcing only one prefix:               12043
RIPE Region transit ASes present in the Internet Routing Table:    3966
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12224
Number of RIPE addresses announced to Internet:               732339968
    Equivalent to 43 /8s, 166 /16s and 159 /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,
                        53/8,  57/8,  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:                  123622
    Total LACNIC prefixes after maximum aggregation:              29061
    LACNIC Deaggregation factor:                                   4.25
Prefixes being announced from the LACNIC address blocks:         120967
    Unique aggregates announced from the LACNIC address blocks:   48879
LACNIC Region origin ASes present in the Internet Routing Table:  11184
    LACNIC Prefixes per ASN:                                      10.82
LACNIC Region origin ASes announcing only one prefix:              2658
LACNIC Region transit ASes present in the Internet Routing Table:  2494
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9119
Number of LACNIC addresses announced to Internet:             177812480
    Equivalent to 10 /8s, 153 /16s and 52 /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:                  34711
    Total AfriNIC prefixes after maximum aggregation:              6701
    AfriNIC Deaggregation factor:                                  5.18
Prefixes being announced from the AfriNIC address blocks:         47608
    Unique aggregates announced from the AfriNIC address blocks:  15326
AfriNIC Region origin ASes present in the Internet Routing Table:  1910
    AfriNIC Prefixes per ASN:                                     24.93
AfriNIC Region origin ASes announcing only one prefix:              691
AfriNIC Region transit ASes present in the Internet Routing Table:  375
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1265
Number of AfriNIC addresses announced to Internet:            104486144
    Equivalent to 6 /8s, 58 /16s and 85 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10334       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6207        843     662  TPG-INTERNET-AP TPG Telecom Limited, AU
  9498        4174        528     272  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4153        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3912       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3249       1869      99  VNPT-AS-VN VNPT Corp, VN
 24560        2832        852     536  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4755        2203        434     190  TATACOMM-AS TATA Communications formerly 
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12677      38941    3728  AMAZON-02, US
 11492        4697        312     552  CABLEONE, US
  7155        4177        287      86  VIASAT-SP-BACKBONE, US
   174        3634       8760     888  COGENT-174, US
  6327        3613       1320      80  SHAW, CA
 22773        3591       3053     220  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3009       1302    2195  AKAMAI-AS, US
396982        2904       3657     444  GOOGLE-CLOUD-PLATFORM, US
 30036        2587        362     265  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7759       1711     144  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4004       3395     128  AKAMAI-ASN1, NL
  9009        3725        320    1911  M247, RO
 12389        2984       2302     889  ROSTELECOM-AS, RU
 34984        2370        361     581  TELLCOM-AS, TR
212238        1903        136    1403  CDNEXT, GB
 13188        1607        100      26  TRIOLAN, UA
  8452        1606       1852      14  TE-AS TE-AS, EG
 62240        1496         99     748  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11680       3224     603  UNINET, MX
 10620        3540        492     954  Telmex Colombia S.A., CO
 13999        2515        539     366  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1336       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1328        777     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1159        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1134        374     163  Axtel, S.A.B. de C.V., MX
  6147        1103        371      22  Telefonica del Peru S.A.A., PE
 22884        1076         98     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1681        601      30  RAYA-AS, EG
 24863        1644        389      16  LINKdotNET-AS, EG
 29571        1546         98     102  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1002        521      42  Vodafone-, EG
 20011         978        180     282  INTERNET-SOLUTIONS, ZA
 37069         867       1083      15  MOBINIL, EG
  6713         558       1861      35  IAM-AS, MA
 36914         545         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12677      38941    3728  AMAZON-02, US
  8151       11680       3224     603  UNINET, MX
  9808       10334       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7759       1711     144  UNI2-AS, ES
  7545        6207        843     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4697        312     552  CABLEONE, US
  7155        4177        287      86  VIASAT-SP-BACKBONE, US
  9498        4174        528     272  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4153        347      23  FPT-AS-AP FPT Telecom Company, VN

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

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

   ASN  No of nets  Net Savings  Description
  8151       11680        11077  UNINET, MX
  9808       10334        10246  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7759         7615  UNI2-AS, ES
  7545        6207         5545  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 11492        4697         4145  CABLEONE, US
 18403        4153         4130  FPT-AS-AP FPT Telecom Company, VN
  7155        4177         4091  VIASAT-SP-BACKBONE, US
  9498        4174         3902  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912         3887  VIETEL-AS-AP Viettel Group, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.132.192.0/24      Origin:     30500  WOLFPAWSERVICES, CA
23.132.192.0/24     Transit:      6939  HURRICANE, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.176.0/24      Origin:     40676  AS40676, US
23.140.176.0/24     Transit:      7922  COMCAST-7922, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/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       /9:16      /10:42      /11:92      /12:308     
/13:588     /14:1225    /15:2169    /16:13936   /17:8273    /18:13724   
/19:24585   /20:43876   /21:51982   /22:112091  /23:100894  /24:599395  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6719        7759  UNI2-AS, ES
  8151        5893       11680  UNINET, MX
 11492        3555        4697  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3410        3613  SHAW, CA
  7155        3125        4177  VIASAT-SP-BACKBONE, US
 22773        2710        3591  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2267       12677  AMAZON-02, US
 30036        2246        2587  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2180        3540  Telmex Colombia S.A., CO

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

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

   1:2288      2:1538      3:567       4:9         5:4540      6:165    
   7:6         8:1545      9:1        11:172      12:1382     13:348    
  14:2496     15:343      16:270      17:360      18:915      20:450    
  21:4        22:188      23:7285     24:2734     25:2        27:2741   
  29:19       31:3113     32:38       34:71       35:187      36:2407   
  37:4619     38:8603     39:895      40:151      41:4180     42:1905   
  43:2522     44:345      45:18171    46:4976     47:293      49:1983   
  50:1865     51:589      52:1571     54:307      55:1142     56:9      
  57:236      58:2208     59:1182     60:1162     61:2786     62:2940   
  63:1830     64:5501     65:2092     66:4650     67:3026     68:1213   
  69:4018     70:1153     71:614      72:2871     74:2778     75:1641   
  76:628      77:2617     78:1852     79:1674     80:2211     81:2049   
  82:2155     83:1410     84:1801     85:3284     86:1004     87:2194   
  88:1275     89:4363     90:754      91:8329     92:2778     93:2876   
  94:3917     95:4175     96:1293     97:308      98:1015     99:737    
 100:71      101:1130    102:3670    103:32264   104:4660    105:753    
 106:1014    107:2624    108:1168    109:4079    110:2213    111:3388   
 112:2044    113:1759    114:1935    115:2199    116:2029    117:2746   
 118:2836    119:1931    120:1872    121:1353    122:2739    123:2163   
 124:1553    125:2860    126:94      128:1598    129:959     130:1282   
 131:1873    132:807     133:451     134:1521    135:321     136:1335   
 137:1285    138:2899    139:1598    140:1527    141:1479    142:1829   
 143:1612    144:1020    145:461     146:2143    147:2060    148:2589   
 149:2839    150:1198    151:1643    152:2054    153:571     154:7930   
 155:1606    156:3580    157:1884    158:1254    159:2422    160:3526   
 161:1805    162:3658    163:1795    164:1696    165:2177    166:1318   
 167:1875    168:4080    169:799     170:5063    171:1002    172:4316   
 173:3227    174:921     175:1267    176:3600    177:4769    178:3762   
 179:2219    180:2543    181:3946    182:3371    183:2029    184:2276   
 185:21463   186:5100    187:4304    188:4232    189:4142    190:9580   
 191:1537    192:11257   193:9382    194:7718    195:5462    196:3204   
 197:3592    198:6178    199:8276    200:8148    201:6303    202:10362  
 203:10592   204:4555    205:3629    206:4666    207:3605    208:4203   
 209:5154    210:4553    211:2512    212:4510    213:3751    214:1045   
 215:42      216:6611    217:3105    218:1335    219:373     220:2105   
 221:1056    222:716     223:2310   

End of report


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