PING

PING

PING is a podcast for people who want to look behind the scenes into the workings of the Internet. Each fortnight we will chat with people who have built and are improving the health of the Internet. The views expressed by the featured speakers are their own and do not necessarily reflect the views of APNIC.

Episodes

Internet measurement in Thailand

February 18, 2026 • 21 mins
This episode of PING features two members of the Thai academic and research community and was recorded last year at IETF 122 in Bangkok. With a population of more than 70 million, Thailand has around 80 publicly funded universities and a further 70 or more private institutions, and undertakes substantial research in telecommunications and computing. A leading example is the Asian Institute of Technology (AIT), which has run the AIN...
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BGP in review for 2025

February 4, 2026 • 57 mins
In this episode of PING, APNIC Chief Scientist Geoff Huston returns with his annual review of BGP, reflecting on developments across 2025. Geoff has been publishing this year-in-review analysis of BGP dynamics for more than a decade, and this time he has uncovered some genuinely surprising shifts. His 2025 analysis has been published in two parts on the APNIC Blog. Border Gateway Protocol (BGP) is the mechanism by which network ...
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NITK Students at IETF: Fresh Minds for standards development

January 21, 2026 • 30 mins
Welcome back to PING for 2026 and season 6. This time on PING, we have a pair of interviews with students from the National Institute of Technology Karnataka, Surathkal (NITK), recorded last year at IETF 122. This is the second time we've heard from students from NITK. We previously heard from Vanessa Fernandes and Kavya Bhat when they attended IETF 119 in 2024. NITK is a large, technically focused university located on India...
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Going Dark: measurement when the Internet hides the detail

December 10, 2025 • 54 mins
In the final podcast for 2025, APNIC Chief Scientist Geoff Huston discusses the problem of independent measurement in an Internet which is increasingly “going dark”. Communications has always included a risk of snooping, and a matching component of work to enhance privacy, from the simplest ciphers used in ancient times, techniques of hiding and discovering messages, attempts to prevent and detect intrusion of the mail, to adopt...
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Adjusting for data source bias in Internet Measurements

November 26, 2025 • 38 mins
This time PING features Emile Aben from the RIPE NCC R&D Department. Emile is a Senior Research Engineer, and for over a decade and a half has been looking at Internet Measurement at RIPE in the Atlas system, and in the RIPE RIS BGP data collection. Emile and a collaborator Romain Fontugne from IIJ Labs in Tokyo have been exploring a model of the influence and effect on global connectivity in BGP for different AS, based on the i...
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the Realpolitik of undersea cables

November 12, 2025 • 52 mins
In this episode of PING, APNIC Chief Scientist Geoff Huston explores the complex landscape of undersea cables. They have always had a component of strategic interest, communications and snooping on communications has been a constant since writing was invented, and the act of connecting two independent nation states by a telegraph wire invokes questions of ownership and jurisdiction right from the start. After the initial physics...
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Greasing the wheels

October 29, 2025 • 36 mins
In this episode of PING, Shumon Huque from Salesforce discusses how protocols with extensible flag fields can benefit from regular testing of the values possible in the packet structure. This technique is known as "greasing" and has a strong metaphorical meaning of "greasing the wheels" to ensure future uses aren't blocked by mistaken beliefs about the possible values. Intermediate systems (so-called "middleboxes") have to try a...
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Geolocation and Starlink

October 15, 2025 • 50 mins
In this episode of PING, APNIC Chief Scientist Geoff Huston discusses a problem which cropped up recently with the location tagging of IP addresses seen in the APNIC Labs measurement system. For compiling national/economic and regional statistics, and to understand the experimental distribution into each market segment, Labs relies on the freely available geolocation databases from maxmind.com, and IPinfo.io -which in turn are cons...
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Measuring RSSAC047 Conformance

October 1, 2025 • 31 mins
RSSAC047 - a document from the Root Server System Advisory Committee proposed a set of metrics to measure DNS root servers, and the DNS root server system as a whole. the document was approved in 2020, and ICANN worked on an implementation of the metrics as code, and a deployment into 20 points of measurement distributed worldwide. ISC and Verisign, two of the root server operators proposed a review of this measurement and retai...
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Faster Network design with simpler hardware: TCP Flow control and ECN.

September 17, 2025 • 52 mins
In this episode of PING, APNIC Chief Scientist Geoff Huston shares a story from the recent AusNOG in Melbourne and connects it to measurement work at APNIC Labs, exploring how modern IP flow control manages ‘fair shares’ of the network. At AusNOG 2025, Geoff attended a talk by Lincoln Dale of Amazon AWS titled “No Packet Left Behind: AWS’s Approach to Building and Operating Reliable Networks”. The presentation examined how AWS s...
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Whats going on in bad traffic in 2025

September 3, 2025 • 27 mins
In this episode of PING, Adli Wahid, APNIC's Security Specialist discusses the APNIC honeypot network, an investment in over 400 collectors distributed throughout the Asia Pacific, collecting data on who is trying to break into systems online and use them for malware, destributed denial of service, and command-and-control systems in the bad traffic economy. Adli discusses how APNIC Members can get access to the results of honeyn...
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The Inevitability of Centrality

August 20, 2025 • 60 mins
In this episode of PING, APNIC’s Chief Scientist, Geoff Huston, discusses the economic inevitability of centrality, in the modern Internet. Despite our best intentions, and a lot of long standing belief amongst the IETF technologists, no amount of open standards and end-to-end protocol design prevents large players at all levels of the network (from the physical infrastructure right up to the applications and the data centres which...
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Rob Kisteleki on RIPE Atlas

August 6, 2025 • 40 mins
In this episode of PING, Robert Kisteleki from the RIPE NCC discusses the RIPE Atlas system -a network of over 13,000 measurement devices deployed worldwide in homes, exchange points, stub and transit AS, densely connected regions and sparse island states. Atlas began with a vision of the world at night -a powerful metaphor for where people are, and where technology reaches. Could a measurement system achieve sufficient density ...
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A Day in the Life of BGP

July 23, 2025 • 61 mins
In this episode of PING, APNIC’s Chief Scientist, Geoff Huston, discusses "a day in the life of BGP" -Not an extraordinary day, not a special day, just the 8th of May. What happens inside the BGP system, from the point of view of AS4608, one ordinary BGP speaker on the edge of the network? What kinds of things are seen, and why are they seen? Geoff has been measuring BGP for almost it's entire life as the internet routing pro...
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Kentik's view of Secure BGP in 2025

July 9, 2025 • 29 mins
In this episode of PING, Doug Madory from Kentik discusses his rundown of the state of play in secure BGP across 2024 and 2025. Kentik has it’s own internal measurements of BGP behaviour and flow data across the surface of the internet, which combined with the Oregon University curated routeviews archive means Doug can analyse both the publicly visible state of BGP from archives, and Kentik’s own view of the dynamics of BGP change,...
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Downloading the root

June 25, 2025 • 57 mins
In this episode of PING, APNIC’s Chief Scientist, Geoff Huston, discusses the root zone of the DNS, and some emerging concerns in how much it costs to service query load at the root. In the absence of cacheing, all queries in the DNS (except ones the DNS system you ask is locally authoritative for anyway) have to be sent through the root of the DNS, to find the right nameserver to ask for the specific information. Thanks to cach...
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Global Cyber Alliance and measuring the bad traffic

June 11, 2025 • 34 mins
In this episode of PING, We’re talking to Leslie Daigle from the Global Cyber Alliance (GCA) again, discussing GCA’s honeynet project. Leslie spoke with PING back in January 2024, and in this episode we re-visit things. Honeynets (or Honey farms) are deliberately weakly protected systems put online, to see what kinds of bad traffic exist out in the global Internet, where they come from and what kinds of attack they are mounting. ...
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DELEG: Changing the DNS engine in flight again

May 28, 2025 • 59 mins
In this episode of PING, APNIC’s Chief Scientist, Geoff Huston, revisits changes underway in how the Domain Name System (DNS) delegates authority over a given zone and how resolvers discover the new authoritative sources. We last explored this in March 2024.  In DNS, the word ‘domain’ refers to a scope of authority. Within a domain, everything is governed by its delegated authority. While that authority may only directly manage ...
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DFOH,MVP & GILL: New ways of looking at BGP

May 14, 2025 • 37 mins
In this episode of PING, Professor Cristel Pelsser who holds the chair of critical embedded systems at UCLouvain Discusses her work measuring BGP and in particular the system described in the 2024 SIGCOMM “best paper” award winning research: “The Next Generation of BGP Data Collection Platforms” Cristel and her collaborators Thomas Alfroy, Thomas Holterbach, Thomas Krenc and K. C. Claffy have built a system they call GILL, avail...
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The multiple ways to do multiple paths

April 30, 2025 • 45 mins
In this episode of PING, APNIC’s Chief Scientist, Geoff Huston, discusses the history and emerging future of how Internet protocols get more than the apparent link bandwidth by using multiple links and multiple paths. Initially, the model was quite simple, capable of handling up to four links of equal cost and delay reasonably well, typically to connect two points together. At the time, the Internet was built on telecommunicatio...
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